| Internet Engineering Task Force | R. Cole |
| Internet-Draft | US Army CERDEC |
| Intended status: Experimental | J. Macker |
| Expires: February 13, 2015 | B. Adamson |
| Naval Research Laboratory | |
| August 12, 2014 |
Definition of Managed Objects for the Manet Simplified Multicast Framework Relay Set Process
draft-ietf-manet-smf-mib-13
This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. In particular, it describes objects for configuring aspects of the Simplified Multicast Forwarding (SMF) process for Mobile Ad-Hoc Networks (MANETs). The SMF-MIB module also reports state information, performance information, and notifications. In addition to configuration, the additional state and performance information is useful to operators troubleshooting multicast forwarding problems.
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This Internet-Draft will expire on February 13, 2015.
Copyright (c) 2014 IETF Trust and the persons identified as the document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License.
This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. In particular, it describes objects for configuring aspects of a process implementing Simplified Multicast Forwarding (SMF) [RFC6621] for Mobile Ad-Hoc Networks (MANETs). SMF provides multicast Duplicate Packet Detection (DPD) and supports algorithms for constructing an estimate of a MANET Minimum Connected Dominating Set (MCDS) for efficient multicast forwarding. The SMF-MIB module also reports state information, performance information, and notifications. In addition to configuration, this additional state and performance information is useful to operators troubleshooting multicast forwarding problems.
For a detailed overview of the documents that describe the current Internet-Standard Management Framework, please refer to section 7 of RFC 3410 [RFC3410].
Managed objects are accessed via a virtual information store, termed the Management Information Base or MIB. MIB objects are generally accessed through the Simple Network Management Protocol (SNMP). Objects in the MIB are defined using the mechanisms defined in the Structure of Management Information (SMI). This memo specifies a MIB module that is compliant to the SMIv2, which is described in STD 58, RFC 2578 [RFC2578], STD 58, RFC 2579 [RFC2579] and STD 58, RFC 2580 [RFC2580].
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119 [RFC2119].
SMF provides methods for implementing Duplicate Packet Detection (DPD)-based multicast forwarding with the optional use of Connected Dominating Set (CDS)-based relay sets. The CDS provides a complete connected coverage of the nodes comprising the MANET. The Minimum CDS (MCDS) is the smallest set of MANET nodes (comprising a connected cluster) which cover all the nodes in the cluster with their transmissions. As the density of the MANET nodes increase, the fraction of nodes required in an MCDS decreases. Using the MCDS as a multicast forwarding set then becomes an efficient multicast mechanism for MANETs.
Various algorithms for the construction of estimates of the MCDS exist. The Simplified Multicast Framework [RFC6621] describes some of these. It further defines various operational modes for a node which is participating in the collective creation of the MCDS estimates. These modes depend upon the set of related MANET routing and discovery protocols and mechanisms in operation in the specific MANET node.
A SMF router's MIB module contains SMF process configuration parameters (e.g. specific CDS algorithm), state information (e.g., current membership in the CDS), performance counters (e.g., packet counters), and notifications.
This section describes the management model for the SMF node process.
Figure 1 (reproduced from Figure 1 of [RFC6621]) shows the relationship between the SMF Relay Set selection algorithm and the related algorithms, processes and protocols running in the MANET nodes. The Relay Set Selection Algorithm (RSSA) can rely upon topology information gotten from the MANET Neighborhood Discovery Protocol (NHDP), from the specific MANET routing protocol running on the node, or from Layer 2 information passed up to the higher layer protocol processes.
______________ ____________
| | | |
| Neighborhood | | Relay Set |
| Discovery |------------->| Selection |
| | neighbor | |
|______________| info |____________|
\ /
\ /
neighbor\ / forwarding
info \ _____________ / status
\ | | /
`-->| Forwarding |<--'
| Process |
----------------->|_____________|----------------->
incoming packet, forwarded packets
interface id , and
previous hop
Figure 1: SMF Router Architecture
The following definitions apply throughout this document:
This section presents the structure of the SMF-MIB module. The objects are arranged into the following groups:
The textual conventions defined within the SMF-MIB module are:
The textual conventions defined for the SMF-MIB module and maintained by IANA are:
The SMF device supports a set of capabilities. The list of capabilities which the device can advertise are:
The SMF device is configured with a set of controls. Some of the prominent configuration controls for the SMF device are:
The State sub-tree reports current state information, e.g.,
The Performance sub-tree reports primarily counters that relate to SMF RSSA performance. The SMF performance counters consists of per node and per interface objects:
The Notifications Sub-tree contains the list of notifications supported within the SMF-MIB module and their intended purpose and utility.
The SMF-MIB module contains a number of tables which record data related to:
The SMF-MIB module's tables are indexed via the following constructs:
These tables and their associated indexing are:
The 'system' group in the SNMPv2-MIB module [RFC3418] is defined as being mandatory for all systems, and the objects apply to the entity as a whole. The 'system' group provides identification of the management entity and certain other system-wide data. The SMF-MIB module does not duplicate those objects.
It is an expectation that SMF devices will implement the standard IP-MIB module [RFC4293]. Exactly how to integrate SMF packet handling and management into the standard IP-MIB module management are part of the experiment.
The SMF-MIB module counters within the smfPerformanceGroup count packets handled by the system and interface local SMF process (as discussed above). Not all IP (unicast and multicast) packets on a device interface are handled by the SMF process. So the counters are tracking different packet streams in the IP-MIB and SMF-MIB modules.
The smfCfgAddrForwardingTable is essentially a filter table (if populated) that identifies addresses/packets to be forwarded via the local SMF flooding process. The RFC 5132 IP Multicast MIB module [RFC5132] manages objects related to standard IP multicast, which could be running in parallel to SMF on the device.
RFC 5132 manages traditional IP-based multicast (based upon multicast routing mechanisms). The SMF-MIB module provides management for a MANET subnet-based flooding mechanism which, may be used for multicast transport (through SMF broadcast) depending upon the MANET dynamics and other factors regarding the MANET subnet. Further, they may co-exist in certain MANET deployments using the smfCfgAddrForwardingTable to hand certain IP multicast addresses to the SMF process and other IP multicast packets to be forwarded by other IP routed-based multicast mechanisms. SMF and the associated SMF-MIB module are experimental and these are some of the experiments to be had with SMF and the SMF-MIB module.
The textual conventions imported for use in the SMF-MIB module are as follows. The MODULE-IDENTITY, OBJECT-TYPE, NOTIFICATION-TYPE, Counter32, Unsigned32, Integer32 and mib-2 textual conventions are imported from RFC 2578 [RFC2578]. The TEXTUAL-CONVENTION, RowStatus and TruthValue textual conventions are imported from RFC 2579 [RFC2579]. The MODULE-COMPLIANCE, OBJECT-GROUP and NOTIFICATION-GROUP textual conventions are imported from RFC 2580 [RFC2580]. The InterfaceIndexOrZero textual convention is imported from RFC 2863 [RFC2863]. The SnmpAdminString textual convention is imported from RFC 3411 [RFC3411]. The InetAddress, InetAddressType and InetAddressPrefixLength textual conventions are imported from RFC 4001 [RFC4001].
In a sense, the SMF-MIB module is a general front-end to a set of, yet to be developed, RSSA-specific MIB modules. These RSSA-specific MIB modules will define the objects for the configuration, state, performance and notification required for the operation of these specific RSSAs. The SMF-MIB module Capabilities Group allows the remote management station the ability to query the router to discover the set of supported RSSAs.
SMF-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE, NOTIFICATION-TYPE,
Counter32, Integer32, TimeTicks, experimental
FROM SNMPv2-SMI -- [RFC2578]
TEXTUAL-CONVENTION, RowStatus, TruthValue
FROM SNMPv2-TC -- [RFC2579]
MODULE-COMPLIANCE, OBJECT-GROUP,
NOTIFICATION-GROUP
FROM SNMPv2-CONF -- [RFC2580]
InterfaceIndexOrZero, ifName
FROM IF-MIB -- [RFC2863]
SnmpAdminString
FROM SNMP-FRAMEWORK-MIB -- [RFC3411]
InetAddress, InetAddressType,
InetAddressPrefixLength
FROM INET-ADDRESS-MIB -- [RFC4001]
IANAsmfOpModeIdTC
FROM IANA-SMF-MIB
IANAsmfRssaIdTC
FROM IANA-SMF-MIB
;
smfMIB MODULE-IDENTITY
LAST-UPDATED "201408121300Z" -- August 12, 2014
ORGANIZATION "IETF MANET Working Group"
CONTACT-INFO
"WG E-Mail: manet@ietf.org
WG Chairs: sratliff@cisco.com
jmacker@nrl.navy.mil
Editors: Robert G. Cole
US Army CERDEC
Space and Terrestrial Communications
6010 Frankford Road
Aberdeen Proving Ground, MD 21005
USA
+1 443 395-8744
robert.g.cole@us.army.mil
Joseph Macker
Naval Research Laboratory
Washington, D.C. 20375
USA
macker@itd.nrl.navy.mil
Brian Adamson
Naval Research Laboratory
Washington, D.C. 20375
USA
adamson@itd.nrl.navy.mil"
DESCRIPTION
"This MIB module contains managed object definitions for
the Manet SMF RSSA process defined in:
Macker, J.(ed.),
Simplified Multicast Forwarding, RFC 6621,
May 2012.
Copyright (C) The IETF Trust (2014). This version
of this MIB module is part of RFC xxxx; see the RFC
itself for full legal notices."
-- Revision History
REVISION "201408121300Z" -- August 12, 2014
DESCRIPTION
"The first version of this MIB module,
published as RFC xxxx.
"
-- RFC-Editor assigns xxxx
::= { experimental xxxx } -- to be assigned by IANA
--
-- TEXTUAL CONVENTIONs
--
SmfStatus ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"An indication of the operability of a SMF
function or feature. For example, the status
of an interface: 'enabled' indicates that
this interface is performing SMF functions,
and 'disabled' indicates that it is not.
Similarly for the status of the device:
'enabled' indicates that the device has
enabled the SMF functions on the device and
'disabled' means that the device and all interfaces
have disabled all SMF functions."
SYNTAX INTEGER {
enabled (1),
disabled (2)
}
--
-- Top-Level Object Identifier Assignments
--
smfMIBNotifications OBJECT IDENTIFIER ::= { smfMIB 0 }
smfMIBObjects OBJECT IDENTIFIER ::= { smfMIB 1 }
smfMIBConformance OBJECT IDENTIFIER ::= { smfMIB 2 }
--
-- smfMIBObjects Assignments:
-- smfCapabilitiesGroup - 1
-- smfConfigurationGroup - 2
-- smfStateGroup - 3
-- smfPerformanceGroup - 4
--
--
-- smfCapabilitiesGroup
--
-- This group contains the SMF objects that identify specific
-- capabilities within this device related to SMF functions.
--
smfCapabilitiesGroup OBJECT IDENTIFIER ::= { smfMIBObjects 1 }
--
-- SMF Capabilities Table
--
smfCapabilitiesTable OBJECT-TYPE
SYNTAX SEQUENCE OF SmfCapabilitiesEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The smfCapabilitiesTable identifies the
resident set of SMF Operational Modes and
RSSA combinations that can run on this
forwarder."
REFERENCE
"See Section 7.2. 'Reduced Relay Set Forwarding',
Section 8.1.1. 'SMF Message TLV Type', and
the Appendices A, B and C in
RFC 6621 - Simplified Multicast Forwarding
(SMF), Macker, J., May 2012."
::= { smfCapabilitiesGroup 1 }
smfCapabilitiesEntry OBJECT-TYPE
SYNTAX SmfCapabilitiesEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Information about a particular operational
mode and RSSA combination.
"
INDEX { smfCapabilitiesIndex }
::= { smfCapabilitiesTable 1 }
SmfCapabilitiesEntry ::= SEQUENCE {
smfCapabilitiesIndex Integer32,
smfCapabilitiesOpModeID IANAsmfOpModeIdTC,
smfCapabilitiesRssaID IANAsmfRssaIdTC
}
smfCapabilitiesIndex OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The index for this entry; a unique value,
greater than zero, for each combination of
a particular operational mode and RSSA
algorithm available on this device.
It is recommended that values are assigned
contiguously starting from 1.
Rows in this table are automatically
populated by the entity's management system
on initialization.
By default, the agent should support at least the
Classical Flooding 'cF' algorithm. All compliant
SMF forwarders must support Classical Flooding.
Hence, the first entry in this table MUST exist
and MUST be defined as:
smfCapabilitiesIndex i '1'
smfCapabilitiesOpModeID i 'cfOnly(1)'
smfCapabilitiesRssaID i 'cF(1)'
The value for each combination MUST remain
constant at least from one re-initialization
of the entity's management system to the
next re-initialization."
::= { smfCapabilitiesEntry 1 }
smfCapabilitiesOpModeID OBJECT-TYPE
SYNTAX IANAsmfOpModeIdTC
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object identifies
the particular operational mode for this device."
::= { smfCapabilitiesEntry 2 }
smfCapabilitiesRssaID OBJECT-TYPE
SYNTAX IANAsmfRssaIdTC
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object identifies
the particular RSSA algorithm in this MIB
module. Example RSSAs are found in the
appendix of RFC 6621."
REFERENCE
"See, e.g., Section 8.1.1. 'SMF Message TLV Type',
and the Appendices A, B and C in
RFC 6621 - Simplified Multicast Forwarding
(SMF), Macker, J., May 2012."
::= { smfCapabilitiesEntry 3 }
--
-- smfConfigurationGroup
--
-- This group contains the SMF objects that configure specific
-- options that determine the overall performance and operation
-- of the multicast forwarding process for the router device
-- and its interfaces.
--
smfConfigurationGroup OBJECT IDENTIFIER ::= { smfMIBObjects 2 }
smfCfgAdminStatus OBJECT-TYPE
SYNTAX SmfStatus
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The configured status of the SMF process
on this device. 'enabled(1)' means that
SMF is configured to run on this device.
'disabled(2)' mean that the SMF process
is configured off.
Prior to SMF functions being performed over
specific interfaces, this object must first
be 'enabled'. If this object is 'disabled',
then no SMF functions are being performed on
the device and all smfCfgIfAdminStatus objects
MUST also be set to 'disabled'. When this
object is changed from 'enabled' to 'disabled'
by the manager, then all smfCfgIfAdminStatus
objects MUST also be automatically set to
'disabled' by the agent.
The default value for this object SHOULD be
'enabled'.
This object is persistent and when written
the entity SHOULD save the change to
non-volatile storage."
DEFVAL { enabled }
::= { smfConfigurationGroup 1 }
smfCfgSmfSysUpTime OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The time (in hundredths of a second) since the
system SMF process was last re-initialized.
The SMF process is re-initialized when the
value of the 'smfCfgAdminStatus' object
transitions to 'enabled' from either a prior
value of 'disabled' or upon initialization
of this device."
::= { smfConfigurationGroup 2 }
smfCfgRouterIDAddrType OBJECT-TYPE
SYNTAX InetAddressType { ipv4(1), ipv6(2) }
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The address type of the address used for
SMF ID of this router as specified
in the 'smfCfgRouterID' next.
Only the values ipv4(1) and ipv6(2)
are supported.
This object is persistent and when written
the entity SHOULD save the change to
non-volatile storage."
DEFVAL { ipv4 }
::= { smfConfigurationGroup 3 }
smfCfgRouterID OBJECT-TYPE
SYNTAX InetAddress (SIZE(4|16))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The IP address used as the SMF router ID.
This can be set by the management station.
If not explicitly set, then the device
SHOULD select a routable IP address
assigned to this router for use as
the 'smfCfgRouterID'.
The smfCfgRouterID is a logical identification
that MUST be consistent across interoperable
SMF neighborhoods and it is RECOMMENDED to be
chosen as the numerically largest address
contained in a node's 'Neighbor Address List'
as defined in NHDP. A smfCfgRouterID MUST be
unique within the scope of the operating
MANET network regardless of the method used
for selecting it.
This object is persistent and when written
the entity SHOULD save the change to
non-volatile storage."
REFERENCE
"See, e.g.,
Appendix Section A.1. 'E-CDS Relay Set
Selection Overview' and
Appendix Secdtion C.1. 'MPR-CDS Relay
Set Selection Overview'
in RFC 6621 - Simplified Multicast Forwarding
(SMF), Macker, J., May 2012."
::= { smfConfigurationGroup 4 }
smfCfgOperationalMode OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The SMF RSS node operational mode and
RSSA algorithm combination active on this
local forwarder. This object is defined
to be equal to the smfCapabilitiesIndex
which identifies the specific active
operational mode and RSSA.
The default value for this object is
'1' which corresponds to:
smfCapabilitiesOpModeID i 'cfOnly(1)'
smfCapabilitiesRssaID i 'cF(1)'
This object is persistent and when written
the entity SHOULD save the change to
non-volatile storage."
REFERENCE
"See Section 7.2. 'Reduced Relay Set Forwarding',
and the Appendices A, B and C in
RFC 6621 - Simplified Multicast Forwarding
(SMF), Macker, J., May 2012."
DEFVAL { 1 }
::= { smfConfigurationGroup 5 }
smfCfgRssaMember OBJECT-TYPE
SYNTAX INTEGER {
potential(1),
always(2),
never(3)
}
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The RSSA downselects a set of forwarders for
multicast forwarding. Sometimes it is useful
to force an agent to be included or excluded
from the resulting RSS. This object is a
switch to allow for this behavior.
The value 'potential(1)' allows the selected
RSSA to determine if this agent is included
or excluded from the RSS.
The value 'always(2)' forces the selected
RSSA include this agent in the RSS.
The value 'never(3)' forces the selected
RSSA to exclude this agent from the RSS.
The default setting for this object is
'potential(1)'. Other settings could pose
operational risks under certain conditions.
This object is persistent and when written
the entity SHOULD save the change to
non-volatile storage."
REFERENCE
"See Section 7. 'Relay Set Selection' in
RFC 6621 - Simplified Multicast Forwarding
(SMF), Macker, J., May 2012."
DEFVAL { potential }
::= { smfConfigurationGroup 6 }
smfCfgIpv4Dpd OBJECT-TYPE
SYNTAX INTEGER {
hashBased(1),
identificationBased(2)
}
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The current method for IPv4 duplicate packet
detection.
The value 'hashBased(1)' indicates that the
routers duplicate packet detection is based
upon comparing a hash over the packet fields.
This is the default setting for this object.
The value 'identificationBased(2)'
indicates that the duplicate packet
detection relies upon header information
in the multicast packets to identify
previously received packets.
This object is persistent and when written
the entity SHOULD save the change to
non-volatile storage."
REFERENCE
"See Section 6.2. 'IPv4 Duplicate Packet
Detection' in RFC 6621 - Simplified
Multicast Forwarding (SMF), Macker, J.,
May 2012."
DEFVAL { hashBased }
::= { smfConfigurationGroup 7 }
smfCfgIpv6Dpd OBJECT-TYPE
SYNTAX INTEGER {
hashBased(1),
identificationBased(2)
}
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The current method for IPv6 duplicate packet
detection.
The values indicate the type of method used
for duplicate packet detection as described
the previous description for the object
`smfCfgIpv4Dpd'.
The default value for this object is
'hashBased(1)'.
This object is persistent and when written
the entity SHOULD save the change to
non-volatile storage."
REFERENCE
"See Section 6.1. 'IPv6 Duplicate Packet
Detection' in RFC 6621 - Simplified
Multicast Forwarding (SMF), Macker, J.,
May 2012."
DEFVAL { hashBased }
::= { smfConfigurationGroup 8 }
smfCfgMaxPktLifetime OBJECT-TYPE
SYNTAX Integer32 (0..65535)
UNITS "Seconds"
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The estimate of the network packet
traversal time.
This object is persistent and when written
the entity SHOULD save the change to
non-volatile storage."
REFERENCE
"See Section 6. 'SMF Duplicate Packet
Detection' in RFC 6621 - Simplified
Multicast Forwarding (SMF), Macker, J.,
May 2012."
DEFVAL { 60 }
::= { smfConfigurationGroup 9 }
smfCfgDpdEntryMaxLifetime OBJECT-TYPE
SYNTAX Integer32 (0..65525)
UNITS "Seconds"
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The maximum lifetime of a cached DPD
record in the local device storage.
If the memory is running low prior to the
MaxLifetime being exceeded, the local SMF
devices should purge the oldest records first.
This object is persistent and when written
the entity SHOULD save the change to
non-volatile storage."
REFERENCE
"See Section 6. 'SMF Duplicate Packet
Detection' in RFC 6621 - Simplified
Multicast Forwarding (SMF), Macker, J.,
May 2012."
DEFVAL { 600 }
::= { smfConfigurationGroup 10 }
--
-- Configuration of messages to be included in
-- NHDP message exchanges in support of SMF
-- operations.
--
smfCfgNhdpRssaMesgTLVIncluded OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"Indicates whether the associated NHDP messages
include the RSSA Message TLV, or not. This
is an optional SMF operational setting.
The value 'true(1)' indicates that this TLV is
included; the value 'false(2)' indicates that it
is not included.
It is RECOMMENDED that the RSSA Message TLV
be included in the NHDP messages.
This object is persistent and when written
the entity SHOULD save the change to
non-volatile storage."
REFERENCE
"See Section 8.1.1. 'SMF Message TLV Type' in
RFC 6621 - Simplified Multicast Forwarding
(SMF), Macker, J., May 2012."
DEFVAL { true }
::= { smfConfigurationGroup 11 }
smfCfgNhdpRssaAddrBlockTLVIncluded OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"Indicates whether the associated NHDP messages
include the RSSA Address Block TLV, or not.
This is an optional SMF operational setting.
The value 'true(1)' indicates that this TLV is
included; the value 'false(2)' indicates that it
is not included.
The smfCfgNhdpRssaAddrBlockTLVIncluded is optional
in all cases as it depends on the existence of
an address block which may not be present.
If this SMF device is configured with NHDP,
then this object SHOULD be set to 'true(1)'.
This object is persistent and when written
the entity SHOULD save the change to
non-volatile storage."
REFERENCE
"See Section 8.1.2. 'SMF Address Block TLV
Type' in RFC 6621 - Simplified Multicast
Forwarding (SMF), Macker, J., May 2012."
DEFVAL { true }
::= { smfConfigurationGroup 12 }
--
-- Table identifying configured multicast addresses to be forwarded.
--
smfCfgAddrForwardingTable OBJECT-TYPE
SYNTAX SEQUENCE OF SmfCfgAddrForwardingEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The smfCfgAddrForwardingTable is essentially a filter
table (if populated) that identifies addresses/packets
to be forwarded viaathe local SMF flooding process.
The RFC 5132 IP Multicast MIB module manages objects
related to standard IP multicast, which could be running
in parallel to SMF on the device.
RFC 5132 manages traditional IP-based multicast (based
upon multicast routing mechanisms). The SMF-MIB module
provides management for a MANET subnet-based flooding
mechanism which, may be used for multicast transport
(through SMF broadcast) depending upon the MANET dynamics
and other factors regarding the MANET subnet. Further,
they may co-exist in certain MANET deployments
using the smfCfgAddrForwardingTable to hand certain IP
multicast addresses to the SMF process and other IP
multicast packets to be forwarded by other IP
routed-based multicast mechanisms. SMF and the
associated SMF-MIB module are experimental and these
are some of the experiments to be had with SMF and
the SMF-MIB module.
This is the (conceptual) table containing information on
multicast addresses which are to be forwarded by the SMF
process. This table represents an IP filters table for
forwarding (or not) packets based upon their IP
multicast address.
The SMF process can be configured to forward only those
multicast addresses found within the
smfCfgAddrForwardingTable. As such, addresses which are
to be forwarded by the SMF process MUST be found within
the address ranges configured within this table, unless
this table is empty.
Each row is associated with a range of multicast
addresses, and ranges for different rows must be disjoint.
Different rows MAY share a common
smfCfgAddrForwardingGroupName to administratively
associate different rows.
The objects in this table are persistent and when written
the entity SHOULD save the change to non-volatile storage."
REFERENCE
"See Section 9.1. 'Forwarded Multicast Groups' in
RFC 6621 - Simplified Multicast Forwarding
(SMF), Macker, J., May 2012."
::= { smfConfigurationGroup 13 }
smfCfgAddrForwardingEntry OBJECT-TYPE
SYNTAX SmfCfgAddrForwardingEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (conceptual row) containing the information on a
particular multicast scope."
INDEX { smfCfgAddrForwardingIndex }
::= { smfCfgAddrForwardingTable 1 }
SmfCfgAddrForwardingEntry ::= SEQUENCE {
smfCfgAddrForwardingIndex Integer32,
smfCfgAddrForwardingGroupName SnmpAdminString,
smfCfgAddrForwardingAddrType InetAddressType,
smfCfgAddrForwardingAddress InetAddress,
smfCfgAddrForwardingAddrPrefixLength
InetAddressPrefixLength,
smfCfgAddrForwardingStatus RowStatus
}
smfCfgAddrForwardingIndex OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This object identifies an unique entry
for a forwarding group. The index for
this entry is a unique value,
greater than zero, for each row.
It is recommended that values are assigned
contiguously starting from 1.
The value for each row index MUST remain
constant from one re-initialization
of the entity's management system to the
next re-initialization."
::= { smfCfgAddrForwardingEntry 1 }
smfCfgAddrForwardingGroupName OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object identifies a group name for a set of
row entries in order to administratively associate
a set of address ranges.
If there is no group name or this object is
otherwise not applicable, then this object contains
a zero-length string.
This object is persistent and when written
the entity SHOULD save the change to
non-volatile storage."
::= { smfCfgAddrForwardingEntry 2 }
smfCfgAddrForwardingAddrType OBJECT-TYPE
SYNTAX InetAddressType { ipv4(1), ipv6(2) }
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The type of the addresses in the multicast
forwarding ranges identified by this table.
Only the values ipv4(1) and ipv6(2) are
supported.
This object is persistent and when written
the entity SHOULD save the change to
non-volatile storage."
::= { smfCfgAddrForwardingEntry 3 }
smfCfgAddrForwardingAddress OBJECT-TYPE
SYNTAX InetAddress (SIZE(4|16))
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The multicast group address which, when
combined with smfCfgAddrForwardingAddrPrefixLength,
gives the group prefix for this forwarding range.
The InetAddressType is given by
smfCfgAddrForwardingAddrType.
This address object is only significant up to
smfCfgAddrForwardingAddrPrefixLength bits. The
remaining address bits are set to zero. This is
especially important for this index field,
Any non-zero bits would signify an entirely
different entry.
Legal values correspond to the subset of address
families for which multicast address allocation
is supported.
This object is persistent and when written
the entity SHOULD save the change to
non-volatile storage."
::= { smfCfgAddrForwardingEntry 4 }
smfCfgAddrForwardingAddrPrefixLength OBJECT-TYPE
SYNTAX InetAddressPrefixLength
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The length in bits of the mask which, when
combined with smfCfgAddrForwardingAddress,
gives the group prefix for this forwarding
range.
This object is persistent and when written
the entity SHOULD save the change to
non-volatile storage."
::= { smfCfgAddrForwardingEntry 5 }
smfCfgAddrForwardingStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The status of this row, by which new entries may be
created, or old entries deleted from this table."
::= { smfCfgAddrForwardingEntry 6 }
--
-- SMF Interfaces Configuration Table
--
smfCfgInterfaceTable OBJECT-TYPE
SYNTAX SEQUENCE OF SmfCfgInterfaceEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The SMF Interface Table describes the SMF
interfaces that are participating in the
SMF packet forwarding process. The ifIndex is
from the interfaces group defined in the
Interfaces Group MIB module (RFC 2863). As such,
this table 'sparse augments' the ifTable
specifically when SMF is to be configured to
operate over this interface.
A conceptual row in this table exists if and only
if either a manager has explicitly created the row
or there is an interface on the managed device
that automatically supports and runs SMF as part
of the device's initialization process.
The manager creates a row in this table by setting
rowStatus to 'createAndGo' or 'createAndWait'.
Row objects having associated DEFVAL clauses are
automatically defined by the agent with these
values during row creation, unless the manager
explicitly defines these object values during the
row creation.
As the smfCfgInterfaceTable sparsely augments the
IfTable. Hence,
+ an entry cannot exist in smfCfgInterfaceTable
without a corresponding entry in the ifTable.
+ if an entry in the ifTable is removed, the
corresponding entry (if it exists) in the
smfCfgInterfaceTable MUST be removed.
+ the smfCfgIfStatus can have a value of
'enabled' or 'disabled' independent of the
current value of the ifAdminStatus of the
corresponding entry in the ifTable.
The values of the objects smfCfgAdminStatus and
smfCfgIfAdminStatus reflect the up-down status of
the SMF process running on the device and on the
specific interfaces respectively. Hence,
+ the value of the smfCfgAdminStatus can be
'enabled' or 'disabled' reflecting the current
running status of the SMF process on the device.
+ the value of the smfCfgIfAdminStatus can be
'enabled' or 'disabled' if the value of the
smfCfgAdminStatus is set to 'enabled'.
+ if the value of the smfCfgAdminStatus is
'disabled', then the corresponding
smfCfgIfAdminStatus objects MUST be set
to 'disabled' in the smfCfgInterfaceTable.
+ once the value of the smfCfgAdminStatus changes
from 'disabled' to 'enabled', it is up to the
management system to make the corresponding
changes to the smfCfgIfAdminStatus values
back to 'enabled'.
"
REFERENCE
"RFC 2863 - The Interfaces Group MIB, McCloghrie,
K., and F. Kastenholtz, June 2000."
::= { smfConfigurationGroup 14 }
smfCfgInterfaceEntry OBJECT-TYPE
SYNTAX SmfCfgInterfaceEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The SMF interface entry describes one SMF
interface as indexed by its ifIndex.
The objects in this table are persistent and when
written the device SHOULD save the change to
non-volatile storage. For further information
on the storage behavior for these objects, refer
to the description for the smfCfgIfRowStatus
object."
INDEX { smfCfgIfIndex }
::= { smfCfgInterfaceTable 1 }
SmfCfgInterfaceEntry ::=
SEQUENCE {
smfCfgIfIndex InterfaceIndexOrZero,
smfCfgIfAdminStatus SmfStatus,
smfCfgIfSmfUpTime TimeTicks,
smfCfgIfRowStatus RowStatus
}
smfCfgIfIndex OBJECT-TYPE
SYNTAX InterfaceIndexOrZero
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The ifIndex for this SMF interface. This value
MUST correspond to an ifIndex referring
to a valid entry in The Interfaces Table.
If the manager attempts to create a row
for which the ifIndex does not exist on the
local device, then the agent SHOULD issue
a return value of 'inconsistentValue' and
the operation SHOULD fail."
REFERENCE
"RFC 2863 - The Interfaces Group MIB, McCloghrie,
K., and F. Kastenholtz, June 2000."
::= { smfCfgInterfaceEntry 1 }
smfCfgIfAdminStatus OBJECT-TYPE
SYNTAX SmfStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The SMF interface's administrative status.
The value 'enabled' denotes that the interface
is running the SMF forwarding process.
The value 'disabled' denotes that the interface is
currently external to the SMF forwarding process.
When the value of the smfCfgAdminStatus is
'disabled', then the corresponding smfCfgIfAdminStatus
objects MUST be set to 'disabled' in the
smfCfgInterfaceTable.
The default value for this object is 'enabled(1)'.
This object SHOULD be persistent and when
written the device SHOULD save the change to
non-volatile storage."
DEFVAL { enabled }
::= { smfCfgInterfaceEntry 2 }
smfCfgIfSmfUpTime OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The time (in hundredths of a second) since
this interface SMF process was last
re-initialized. The interface SMF process
is re-initialized when the corresponding
'smfCfgIfRowStatus' object transits to
the 'active' state."
::= { smfCfgInterfaceEntry 3 }
smfCfgIfRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object permits management of this table
by facilitating actions such as row creation,
construction, and destruction. The value of
this object has no effect on whether other
objects in this conceptual row can be
modified.
An entry may not exist in the 'active' state unless all
objects in the entry have a defined appropriate value. For
objects with DEFVAL clauses, the management station
does not need to specify the value of these objects in order
for the row to transit to the 'active' state; the default
value for these objects is used. For objects that do not
have DEFVAL clauses, then the network manager MUST
specify the value of these objects prior to this row
transitioning to the 'active' state.
When this object transitions to 'active', all objects
in this row SHOULD be written to non-volatile (stable)
storage. Read-create objects in this row MAY be modified.
When an object in a row with smfCfgIfRowStatus of 'active'
is changed, then the updated value MUST be reflected in SMF
and this new object value MUST be written to non-volatile
storage.
If this object is not equal to 'active', all associated
entries in the smfPerfIpv4InterfacePerfTable and the
smfPerfIpv6InterfacePerfTable MUST be deleted."
::= { smfCfgInterfaceEntry 4 }
--
-- smfStateGroup
--
-- Contains information describing the current state of the SMF
-- process such as the current inclusion in the RS or not.
--
smfStateGroup OBJECT IDENTIFIER ::= { smfMIBObjects 3 }
smfStateNodeRsStatusIncluded OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The current status of the SMF node in the context of
the MANETs relay set. A value of 'true(1)' indicates
that the node is currently part of the MANET Relay
Set. A value of 'false(2)' indicates that the node
is currently not part of the MANET Relay Set."
REFERENCE
"See Section 7. 'Relay Set Selection' in
RFC 6621 - Simplified Multicast Forwarding
(SMF), Macker, J., May 2012."
::= { smfStateGroup 1 }
smfStateDpdMemoryOverflow OBJECT-TYPE
SYNTAX Counter32
UNITS "DPD Records"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of DPD records that had to be flushed to
prevent memory overruns for caching of these records.
The number of records to be flushed upon a buffer
overflow is an implementation specific decision.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled. In order to check for
the occurrence of such a discontinuity when monitoring
this counter object, it is recommended that the
smfCfgSmfSysUpTime object also be monitored."
REFERENCE
"See Section 6. 'SMF Duplicate Packet
Detection' in RFC 6621 - Simplified
Multicast Forwarding (SMF), Macker, J.,
May 2012."
::= { smfStateGroup 2 }
--
-- SMF Neighbor Table
--
smfStateNeighborTable OBJECT-TYPE
SYNTAX SEQUENCE OF SmfStateNeighborEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The SMF StateNeighborTable describes the
current one-hop neighbor nodes, their address
and SMF RSSA and the interface on which
they can be reached."
REFERENCE
"See Section 7. 'SMF Neighborhood Discovery' and
Section 8.1. 'SMF Relay Algorithm TLV
Types' in RFC 6621 - Simplified Multicast
Forwarding (SMF), Macker, J., May 2012."
::= { smfStateGroup 3 }
smfStateNeighborEntry OBJECT-TYPE
SYNTAX SmfStateNeighborEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The SMF Neighbor Table contains the
set of one-hop neighbors, the interface
they are reachable on and the SMF RSSA
they are currently running."
INDEX { smfStateNeighborIpAddrType,
smfStateNeighborIpAddr,
smfStateNeighborPrefixLen }
::= { smfStateNeighborTable 1 }
SmfStateNeighborEntry ::=
SEQUENCE {
smfStateNeighborIpAddrType InetAddressType,
smfStateNeighborIpAddr InetAddress,
smfStateNeighborPrefixLen InetAddressPrefixLength,
smfStateNeighborRSSA IANAsmfRssaIdTC,
smfStateNeighborNextHopInterface InterfaceIndexOrZero
}
smfStateNeighborIpAddrType OBJECT-TYPE
SYNTAX InetAddressType { ipv4(1), ipv6(2) }
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The one-hop neighbor IP address type.
Only the values 'ipv4(1)' and
'ipv6(2)' are supported."
::= { smfStateNeighborEntry 1 }
smfStateNeighborIpAddr OBJECT-TYPE
SYNTAX InetAddress (SIZE(4|16))
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The one-hop neighbor Inet IPv4 or IPv6
address.
Only IPv4 and IPv6 addresses
are supported."
::= { smfStateNeighborEntry 2 }
smfStateNeighborPrefixLen OBJECT-TYPE
SYNTAX InetAddressPrefixLength
UNITS "bits"
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The prefix length. This is a decimal value that
indicates the number of contiguous, higher-order
bits of the address that make up the network
portion of the address."
::= { smfStateNeighborEntry 3 }
smfStateNeighborRSSA OBJECT-TYPE
SYNTAX IANAsmfRssaIdTC
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The current RSSA running on the neighbor."
::= { smfStateNeighborEntry 4 }
smfStateNeighborNextHopInterface OBJECT-TYPE
SYNTAX InterfaceIndexOrZero
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The interface ifIndex over which the
neighbor is reachable in one-hop."
::= { smfStateNeighborEntry 6 }
--
-- SMF Performance Group
--
-- Contains objects which help to characterize the
-- performance of the SMF RSSA process, such as statistics
-- counters. There are two types of SMF RSSA statistics:
-- global counters and per interface counters.
--
-- It is an expectation that SMF devices will
-- implement the standard IP-MIB module RFC4293.
-- Exactly how to integrate SMF packet handling and
-- management into the standard IP-MIB module management
-- are part of the experiment.
--
-- The SMF-MIB module counters within the
-- smfPerformanceGroup count packets handled by the
-- system and interface local SMF process (as discussed
-- above). Not all IP (unicast and multicast) packets
-- on a device interface are handled by the SMF process.
-- So the counters are tracking different packet streams
-- in the IP-MIB and SMF-MIB modules.
--
smfPerformanceGroup OBJECT IDENTIFIER ::= { smfMIBObjects 4 }
smfPerfGobalGroup OBJECT IDENTIFIER ::= { smfPerformanceGroup 1 }
--
-- IPv4 packet counters
--
smfPerfIpv4MultiPktsRecvTotal OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the total number of
multicast IPv4 packets received by the
device and delivered to the SMF process.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled. In order to check for
the occurrence of such a discontinuity when monitoring
this counter object, it is recommended that the
smfCfgSmfSysUpTime object also be monitored."
::= { smfPerfGobalGroup 1 }
smfPerfIpv4MultiPktsForwardedTotal OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the total number of
multicast IPv4 packets forwarded by the
device.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled. In order to check for
the occurrence of such a discontinuity when monitoring
this counter object, it is recommended that the
smfCfgSmfSysUpTime object also be monitored."
::= { smfPerfGobalGroup 2 }
smfPerfIpv4DuplMultiPktsDetectedTotal OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the total number of duplicate
multicast IPv4 packets detected by the
device.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled. In order to check for
the occurrence of such a discontinuity when monitoring
this counter object, it is recommended that the
smfCfgSmfSysUpTime object also be monitored."
REFERENCE
"See Section 6.2. 'IPv4 Duplicate Packet
Detection' in RFC 6621 - Simplified Multicast
Forwarding (SMF), Macker, J., May 2012."
::= { smfPerfGobalGroup 3 }
smfPerfIpv4DroppedMultiPktsTTLExceededTotal OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the total number of dropped
multicast IPv4 packets by the
device due to TTL exceeded.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled. In order to check for
the occurrence of such a discontinuity when monitoring
this counter object, it is recommended that the
smfCfgSmfSysUpTime object also be monitored."
REFERENCE
"See Section 5. 'SMF Packet Processing and
Forwarding' in RFC 6621 - Simplified
Multicast Forwarding (SMF), Macker, J.,
May 2012."
::= { smfPerfGobalGroup 4 }
smfPerfIpv4TTLLargerThanPreviousTotal OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the total number of IPv4 packets
recieved which have a TTL larger than that
of a previously received identical packet.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled. In order to check for
the occurrence of such a discontinuity when monitoring
this counter object, it is recommended that the
smfCfgSmfSysUpTime object also be monitored."
REFERENCE
"See Section 5. 'SMF Packet Processing and
Forwarding' in RFC 6621 - Simplified Multicast
Forwarding (SMF), Macker, J., May 2012."
::= { smfPerfGobalGroup 5 }
--
-- IPv6 packet counters
--
smfPerfIpv6MultiPktsRecvTotal OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the total number of
multicast IPv6 packets received by the
device and delivered to the SMF process.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled. In order to check for
the occurrence of such a discontinuity when monitoring
this counter object, it is recommended that the
smfCfgSmfSysUpTime object also be monitored."
::= { smfPerfGobalGroup 6 }
smfPerfIpv6MultiPktsForwardedTotal OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the total number of
multicast IPv6 packets forwarded by the
device.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled. In order to check for
the occurrence of such a discontinuity when monitoring
this counter object, it is recommended that the
smfCfgSmfSysUpTime object also be monitored."
::= { smfPerfGobalGroup 7 }
smfPerfIpv6DuplMultiPktsDetectedTotal OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the total number of duplicate
multicast IPv6 packets detected by the
device.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled. In order to check for
the occurrence of such a discontinuity when monitoring
this counter object, it is recommended that the
smfCfgSmfSysUpTime object also be monitored."
REFERENCE
"See Section 6.1. 'IPv6 Duplicate Packet
Detection' in RFC 6621 - Simplified Multicast
Forwarding (SMF), Macker, J., May 2012."
::= { smfPerfGobalGroup 8 }
smfPerfIpv6DroppedMultiPktsTTLExceededTotal OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the total number of dropped
multicast IPv6 packets by the
device due to TTL exceeded.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled. In order to check for
the occurrence of such a discontinuity when monitoring
this counter object, it is recommended that the
smfCfgSmfSysUpTime object also be monitored."
REFERENCE
"See Section 5. 'SMF Packet Processing and
Forwarding' in RFC 6621 - Simplified
Multicast Forwarding (SMF), Macker, J.,
May 2012."
::= { smfPerfGobalGroup 9 }
smfPerfIpv6TTLLargerThanPreviousTotal OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the total number of IPv6 packets
recieved which have a TTL larger than that
of a previously recived identical packet.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled. In order to check for
the occurrence of such a discontinuity when monitoring
this counter object, it is recommended that the
smfCfgSmfSysUpTime object also be monitored."
REFERENCE
"See Section 5. 'SMF Packet Processing and
Forwarding' in RFC 6621 - Simplified Multicast
Forwarding (SMF), Macker, J., May 2012."
::= { smfPerfGobalGroup 10 }
smfPerfIpv6HAVAssistsReqdTotal OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the total number of IPv6 packets
received which required the HAV assist for DPD.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled. In order to check for
the occurrence of such a discontinuity when monitoring
this counter object, it is recommended that the
smfCfgSmfSysUpTime object also be monitored."
REFERENCE
"See Section 6.1.1. 'IPv6 SMF_DPD Option Header'
in RFC 6621 - Simplified Multicast Forwarding
(SMF), Macker, J., May 2012."
::= { smfPerfGobalGroup 11 }
smfPerfIpv6DpdHeaderInsertionsTotal OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the total number of IPv6 packets
recieved which the device inserted the
DPD header option.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled. In order to check for
the occurrence of such a discontinuity when monitoring
this counter object, it is recommended that the
smfCfgSmfSysUpTime object also be monitored."
REFERENCE
"See Section 6.1.2. 'IPv6 Identification-Based
DPD' in RFC 6621 - Simplified Multicast
Forwarding (SMF), Macker, J., May 2012."
::= { smfPerfGobalGroup 12 }
--
-- Per SMF Interface Performance Table
--
smfPerfInterfaceGroup OBJECT IDENTIFIER ::= { smfPerformanceGroup 2 }
smfPerfIpv4InterfacePerfTable OBJECT-TYPE
SYNTAX SEQUENCE OF SmfPerfIpv4InterfacePerfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The SMF Interface Performance Table
describes the SMF counters per
interface."
::= { smfPerfInterfaceGroup 1 }
smfPerfIpv4InterfacePerfEntry OBJECT-TYPE
SYNTAX SmfPerfIpv4InterfacePerfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The SMF Interface Performance entry
describes the statistics for a particular
node interface."
INDEX { smfCfgIfIndex }
::= { smfPerfIpv4InterfacePerfTable 1 }
SmfPerfIpv4InterfacePerfEntry ::=
SEQUENCE {
smfPerfIpv4MultiPktsRecvPerIf Counter32,
smfPerfIpv4MultiPktsForwardedPerIf Counter32,
smfPerfIpv4DuplMultiPktsDetectedPerIf Counter32,
smfPerfIpv4DroppedMultiPktsTTLExceededPerIf Counter32,
smfPerfIpv4TTLLargerThanPreviousPerIf Counter32
}
smfPerfIpv4MultiPktsRecvPerIf OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the number of multicast IP
packets received by the SMF process on
this device on this interface.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled on this interface.
In order to check for the occurrence of such a
discontinuity when monitoring this counter object,
it is recommended that the smfCfgIfSmfUpTime
object also be monitored."
::= { smfPerfIpv4InterfacePerfEntry 1 }
smfPerfIpv4MultiPktsForwardedPerIf OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the number of
multicast IP packets forwarded by the
SMF process on this device
on this interface.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled on this interface.
In order to check for the occurrence of such a
discontinuity when monitoring this counter object,
it is recommended that the smfCfgIfSmfUpTime
object also be monitored."
::= { smfPerfIpv4InterfacePerfEntry 2 }
smfPerfIpv4DuplMultiPktsDetectedPerIf OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the number of duplicate
multicast IP packets detected by the
SMF process on this device
on this interface.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled on this interface.
In order to check for the occurrence of such a
discontinuity when monitoring this counter object,
it is recommended that the smfCfgIfSmfUpTime
object also be monitored."
::= { smfPerfIpv4InterfacePerfEntry 3 }
smfPerfIpv4DroppedMultiPktsTTLExceededPerIf OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the total number of dropped
multicast IPv4 packets by the SMF process
on this device on this interface
due to TTL exceeded.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled on this interface.
In order to check for the occurrence of such a
discontinuity when monitoring this counter object,
it is recommended that the smfCfgIfSmfUpTime
object also be monitored."
::= { smfPerfIpv4InterfacePerfEntry 4 }
smfPerfIpv4TTLLargerThanPreviousPerIf OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the total number of IPv4 packets
received by the SMF process on this device
on this interface which have a TTL larger than
that of a previously received identical packet.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled on this interface.
In order to check for the occurrence of such a
discontinuity when monitoring this counter object,
it is recommended that the smfCfgIfSmfUpTime
object also be monitored."
::= { smfPerfIpv4InterfacePerfEntry 5 }
smfPerfIpv6InterfacePerfTable OBJECT-TYPE
SYNTAX SEQUENCE OF SmfPerfIpv6InterfacePerfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The SMF Interface Performance Table
describes the SMF counters per
interface."
::= { smfPerfInterfaceGroup 2 }
smfPerfIpv6InterfacePerfEntry OBJECT-TYPE
SYNTAX SmfPerfIpv6InterfacePerfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The SMF Interface Performance entry
describes the counters for a particular
node interface."
INDEX { smfCfgIfIndex }
::= { smfPerfIpv6InterfacePerfTable 1 }
SmfPerfIpv6InterfacePerfEntry ::=
SEQUENCE {
smfPerfIpv6MultiPktsRecvPerIf Counter32,
smfPerfIpv6MultiPktsForwardedPerIf Counter32,
smfPerfIpv6DuplMultiPktsDetectedPerIf Counter32,
smfPerfIpv6DroppedMultiPktsTTLExceededPerIf Counter32,
smfPerfIpv6TTLLargerThanPreviousPerIf Counter32,
smfPerfIpv6HAVAssistsReqdPerIf Counter32,
smfPerfIpv6DpdHeaderInsertionsPerIf Counter32
}
smfPerfIpv6MultiPktsRecvPerIf OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the number of
multicast IP packets received by the
SMF process on this device
on this interface.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled on this interface.
In order to check for the occurrence of such a
discontinuity when monitoring this counter object,
it is recommended that the smfCfgIfSmfUpTime
object also be monitored."
::= { smfPerfIpv6InterfacePerfEntry 1 }
smfPerfIpv6MultiPktsForwardedPerIf OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the number of
multicast IP packets forwarded by the
SMF process on this device
on this interface.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled on this interface.
In order to check for the occurrence of such a
discontinuity when monitoring this counter object,
it is recommended that the smfCfgIfSmfUpTime
object also be monitored."
::= { smfPerfIpv6InterfacePerfEntry 2 }
smfPerfIpv6DuplMultiPktsDetectedPerIf OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the number of duplicate
multicast IP packets detected by the
SMF process on this device
on this interface.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled on this interface.
In order to check for the occurrence of such a
discontinuity when monitoring this counter object,
it is recommended that the smfCfgIfSmfUpTime
object also be monitored."
::= { smfPerfIpv6InterfacePerfEntry 3 }
smfPerfIpv6DroppedMultiPktsTTLExceededPerIf OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the number of dropped
multicast IP packets by the
SMF process on this device
on this interface due to TTL
exceeded.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled on this interface.
In order to check for the occurrence of such a
discontinuity when monitoring this counter object,
it is recommended that the smfCfgIfSmfUpTime
object also be monitored."
::= { smfPerfIpv6InterfacePerfEntry 4 }
smfPerfIpv6TTLLargerThanPreviousPerIf OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the total number of IPv6 packets
received which have a TTL larger than that
of a previously received identical packet
by the SMF process on this device on this
interface.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled on this interface.
In order to check for the occurrence of such a
discontinuity when monitoring this counter object,
it is recommended that the smfCfgIfSmfUpTime
object also be monitored."
::= { smfPerfIpv6InterfacePerfEntry 5 }
smfPerfIpv6HAVAssistsReqdPerIf OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the total number of IPv6 packets
received by the SMF process on this device
on this interface which required the
HAV assist for DPD.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled on this interface.
In order to check for the occurrence of such a
discontinuity when monitoring this counter object,
it is recommended that the smfCfgIfSmfUpTime
object also be monitored."
::= { smfPerfIpv6InterfacePerfEntry 6 }
smfPerfIpv6DpdHeaderInsertionsPerIf OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter of the total number of IPv6 packets
received by the SMF process on this device
on this interface which the device inserted the
DPD header option.
There is the potential for a counter discontinuity
in this object if the system SMF process had been
disabled and later enabled on this interface.
In order to check for the occurrence of such a
discontinuity when monitoring this counter object,
it is recommended that the smfCfgIfSmfUpTime
object also be monitored."
::= { smfPerfIpv6InterfacePerfEntry 7 }
--
-- Notifications
--
smfMIBNotifObjects OBJECT IDENTIFIER ::= { smfMIBNotifications 0 }
smfMIBNotifControl OBJECT IDENTIFIER ::= { smfMIBNotifications 1 }
-- smfMIBNotifObjects
smfNotifAdminStatusChange NOTIFICATION-TYPE
OBJECTS { smfCfgRouterIDAddrType, -- The originator of
-- the notification.
smfCfgRouterID, -- The originator of
-- the notification.
smfCfgAdminStatus -- The new status of the
-- SMF process.
}
STATUS current
DESCRIPTION
"smfCfgAdminStatusChange is a notification sent when a
the 'smfCfgAdminStatus' object changes."
::= { smfMIBNotifObjects 1 }
smfNotifConfiguredOpModeChange NOTIFICATION-TYPE
OBJECTS { smfCfgRouterIDAddrType, -- The originator of
-- the notification.
smfCfgRouterID, -- The originator of
-- the notification.
smfCfgOperationalMode -- The new Operations
-- Mode of the SMF
-- process.
}
STATUS current
DESCRIPTION
"smfNotifConfiguredOpModeChange is a notification
sent when the 'smfCfgOperationalMode' object
changes."
::= { smfMIBNotifObjects 2 }
smfNotifIfAdminStatusChange NOTIFICATION-TYPE
OBJECTS { smfCfgRouterIDAddrType, -- The originator of
-- the notification.
smfCfgRouterID, -- The originator of
-- the notification.
ifName, -- The interface whose
-- status has changed.
smfCfgIfAdminStatus -- The new status of the
-- SMF interface.
}
STATUS current
DESCRIPTION
"smfCfgIfAdminStatusChange is a notification sent when a
the 'smfCfgIfAdminStatus' object changes."
::= { smfMIBNotifObjects 3 }
smfNotifDpdMemoryOverflowEvent NOTIFICATION-TYPE
OBJECTS { smfCfgRouterIDAddrType, -- The originator of
-- the notification.
smfCfgRouterID, -- The originator of
-- the notification.
smfStateDpdMemoryOverflow -- The counter of
-- the overflows.
}
STATUS current
DESCRIPTION
"smfNotifDpdMemoryOverflowEvents is sent when the
number of memory overflow events exceeds the
the 'smfNotifDpdMemoryOverflowThreshold' within the
previous number of seconds defined by the
'smfNotifDpdMemoryOverflowWindow'."
::= { smfMIBNotifObjects 4 }
-- smfMIBNotifControl
smfNotifDpdMemoryOverflowThreshold OBJECT-TYPE
SYNTAX Integer32 (0..255)
UNITS "Events"
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"A threshold value for the
`smfNotifDpdmemoryOverflowEvents' object.
If the number of occurences exceeds
this threshold within the previous
number of seconds
'smfNotifDpdMemoryOverflowWindow',
then the `smfNotifDpdMemoryOverflowEvent'
notification is sent.
The default value for this object is
'1'."
DEFVAL { 1 }
::= { smfMIBNotifControl 1 }
smfNotifDpdMemoryOverflowWindow OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"A time window value for the
`smfNotifDpdmemoryOverflowEvents' object.
If the number of occurences exceeds
the `smfNotifDpdMemoryOverflowThreshold'
within the previous number of seconds
'smfNotifDpdMemoryOverflowWindow',
then the `smfNotifDpdMemoryOverflowEvent'
notification is sent.
The default value for this object is
'1'."
DEFVAL { 1 }
::= { smfMIBNotifControl 2 }
--
-- Compliance Statements
--
smfCompliances OBJECT IDENTIFIER ::= { smfMIBConformance 1 }
smfMIBGroups OBJECT IDENTIFIER ::= { smfMIBConformance 2 }
smfBasicCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION "The basic implementation requirements for
managed network entities that implement
the SMF RSSA process."
MODULE -- this module
MANDATORY-GROUPS { smfCapabObjectsGroup,
smfConfigObjectsGroup }
::= { smfCompliances 1 }
smfFullCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION "The full implementation requirements for
managed network entities that implement
the SMF RSSA process."
MODULE -- this module
MANDATORY-GROUPS { smfCapabObjectsGroup,
smfConfigObjectsGroup,
smfStateObjectsGroup,
smfPerfObjectsGroup,
smfNotifObjectsGroup,
smfNotificationsGroup
}
::= { smfCompliances 2 }
--
-- Units of Conformance
--
smfCapabObjectsGroup OBJECT-GROUP
OBJECTS {
smfCapabilitiesOpModeID,
smfCapabilitiesRssaID
}
STATUS current
DESCRIPTION
"Set of SMF configuration objects implemented
in this module."
::= { smfMIBGroups 1 }
smfConfigObjectsGroup OBJECT-GROUP
OBJECTS {
smfCfgAdminStatus,
smfCfgSmfSysUpTime,
smfCfgRouterIDAddrType,
smfCfgRouterID,
smfCfgOperationalMode,
smfCfgRssaMember,
smfCfgIpv4Dpd,
smfCfgIpv6Dpd,
smfCfgMaxPktLifetime,
smfCfgDpdEntryMaxLifetime,
smfCfgNhdpRssaMesgTLVIncluded,
smfCfgNhdpRssaAddrBlockTLVIncluded,
smfCfgAddrForwardingGroupName,
smfCfgAddrForwardingAddrType,
smfCfgAddrForwardingAddress,
smfCfgAddrForwardingAddrPrefixLength,
smfCfgAddrForwardingStatus,
smfCfgIfAdminStatus,
smfCfgIfSmfUpTime,
smfCfgIfRowStatus
}
STATUS current
DESCRIPTION
"Set of SMF configuration objects implemented
in this module."
::= { smfMIBGroups 2 }
smfStateObjectsGroup OBJECT-GROUP
OBJECTS {
smfStateNodeRsStatusIncluded,
smfStateDpdMemoryOverflow,
smfStateNeighborRSSA,
smfStateNeighborNextHopInterface
}
STATUS current
DESCRIPTION
"Set of SMF state objects implemented
in this module."
::= { smfMIBGroups 3 }
smfPerfObjectsGroup OBJECT-GROUP
OBJECTS {
smfPerfIpv4MultiPktsRecvTotal,
smfPerfIpv4MultiPktsForwardedTotal,
smfPerfIpv4DuplMultiPktsDetectedTotal,
smfPerfIpv4DroppedMultiPktsTTLExceededTotal,
smfPerfIpv4TTLLargerThanPreviousTotal,
smfPerfIpv6MultiPktsRecvTotal,
smfPerfIpv6MultiPktsForwardedTotal,
smfPerfIpv6DuplMultiPktsDetectedTotal,
smfPerfIpv6DroppedMultiPktsTTLExceededTotal,
smfPerfIpv6TTLLargerThanPreviousTotal,
smfPerfIpv6HAVAssistsReqdTotal,
smfPerfIpv6DpdHeaderInsertionsTotal,
smfPerfIpv4MultiPktsRecvPerIf,
smfPerfIpv4MultiPktsForwardedPerIf,
smfPerfIpv4DuplMultiPktsDetectedPerIf,
smfPerfIpv4DroppedMultiPktsTTLExceededPerIf,
smfPerfIpv4TTLLargerThanPreviousPerIf,
smfPerfIpv6MultiPktsRecvPerIf,
smfPerfIpv6MultiPktsForwardedPerIf,
smfPerfIpv6DuplMultiPktsDetectedPerIf,
smfPerfIpv6DroppedMultiPktsTTLExceededPerIf,
smfPerfIpv6TTLLargerThanPreviousPerIf,
smfPerfIpv6HAVAssistsReqdPerIf,
smfPerfIpv6DpdHeaderInsertionsPerIf
}
STATUS current
DESCRIPTION
"Set of SMF performance objects implemented
in this module by total and per interface."
::= { smfMIBGroups 4 }
smfNotifObjectsGroup OBJECT-GROUP
OBJECTS {
smfNotifDpdMemoryOverflowThreshold,
smfNotifDpdMemoryOverflowWindow
}
STATUS current
DESCRIPTION
"Set of SMF notification control
objects implemented in this module."
::= { smfMIBGroups 5 }
smfNotificationsGroup NOTIFICATION-GROUP
NOTIFICATIONS {
smfNotifAdminStatusChange,
smfNotifConfiguredOpModeChange,
smfNotifIfAdminStatusChange,
smfNotifDpdMemoryOverflowEvent
}
STATUS current
DESCRIPTION
"Set of SMF notifications implemented
in this module."
::= { smfMIBGroups 6 }
END
This section contains the IANA-SMF-MIB module. This MIB module defines two textual conventions for which IANA SHOULD maintain and keep synchronized with the registry identified below within the IANAsmfOpModeIdTC and the IANAsmfRssaIdTC TEXTUAL-CONVENTIONs.
The IANAsmfOpModeIdTC defines an index that identifies through reference to a specific SMF operations mode. The index is an integer valued named-number enumeration consisting of an integer and label. IANA is to create and maintain this textual convention. Future assignments are made to anyone on a first come, first served basis. There is no substantive review of the request, other than to ensure that it is well-formed and does not duplicate an existing assignment. However, requests must include a minimal amount of clerical information, such as a point of contact (including an email address) and a brief description of the method being identified as a new SMF operations mode.
The IANAsmfRssaIdTC defines an index that identifies through reference to a specific Reduced Set Selection Algorithm (RSSA). The index is an integer valued named-number enumeration consisting of an integer and label. IANA is to create and maintain this textual convention.
Future assignments to the IANAsmfRssaIdTC for the index range 5-127 require an RFC publication (either as an IETF submission or as an RFC Editor Independent submission [RFC5742]). The type of RFC MUST be Standards Track. The specific RSSA algorithms MUST be documented in sufficient detail so that interoperability between independent implementations is possible.
Future assignments to the IANAsmfRssaIdTC for the index range 128-239 are private or local use only, with the type and purpose defined by the local site. No attempt is made to prevent multiple sites from using the same value in different (and incompatible) ways. There is no need for IANA to review such assignments (since IANA will not record these) and assignments are not generally useful for broad interoperability. It is the responsibility of the sites making use of the Private Use range to ensure that no conflicts occur (within the intended scope of use).
Future assignments to the IANAsmfRssaIdTC for the index range 240-255 are to facilitate experimentation. These require an RFC publication (either as an IETF submission or as an RFC Editor Independent submission [RFC5742]). The type of RFC MUST be Experimental. The RSSA algorithms MUST be documented in sufficient detail so that interoperability between independent implementations is possible.
IANA-SMF-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, mib-2
FROM SNMPv2-SMI
TEXTUAL-CONVENTION
FROM SNMPv2-TC;
ianaSmfMIB MODULE-IDENTITY
LAST-UPDATED "201408121300Z" -- August 12, 2014
ORGANIZATION "IANA"
CONTACT-INFO "Internet Assigned Numbers Authority
Postal: ICANN
4676 Admiralty Way, Suite 330
Marina del Rey, CA 90292
Tel: +1 310 823 9358
E-Mail: iana@iana.org"
DESCRIPTION "This MIB module defines the
IANAsmfOpModeIdTC and IANAsmfRssaIdTC
Textual Conventions, and thus the
enumerated values of the
smfCapabilitiesOpModeID and
smfCapabilitiesRssaID objects defined
in the SMF-MIB."
REVISION "201408121300Z" -- August 12, 2014
DESCRIPTION "Initial version of this MIB as published in
RFC KKKK."
::= { mib-2 kkkk }
IANAsmfOpModeIdTC ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"An index that identifies through reference to a specific
SMF operations mode. There are basically three styles
of SMF operation with reduced relay sets currently
identified:
Independent operation 'independent(1)' -
SMF performs its own relay
set selection using information from an associated
MANET NHDP process.
CDS-aware unicast routing operation 'routing(2)'-
a coexistent unicast routing
protocol provides dynamic relay
set state based upon its own control plane
CDS or neighborhood discovery information.
Cross-layer operation 'crossLayer(3)' -
SMF operates using neighborhood
status and triggers from a
cross-layer information base for dynamic relay
set selection and maintenance.
IANA MUST update this textual convention accordingly.
The definition of this textual convention with the
addition of newly assigned values is published
periodically by the IANA, in either the Assigned
Numbers RFC, or some derivative of it specific to
Internet Network Management number assignments. (The
latest arrangements can be obtained by contacting the
IANA.)
Requests for new values SHOULD be made to IANA via
email (iana@iana.org)."
REFERENCE
"See Section 7.2. 'Reduced Relay Set Forwarding',
and the Appendices A, B and C in
RFC 6621 - Simplified Multicast Forwarding
(SMF), Macker, J., May 2012."
SYNTAX INTEGER {
independent (1),
routing (2),
crossLayer (3)
-- future (4-255)
}
IANAsmfRssaIdTC ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"An index that identifies through reference to a specific
RSSA algorithms. Several are currently defined
in the Appendix A, B and C of RFC 6621.
Examples of RSSA algorithms already identified within
this TC are:
Classical Flooding (cF(1)) - is the standard
flooding algorithm where each node in the next
retransmits the information on each of its interfaces.
Source-Based Multipint Relay (sMPR(2)) -
this algorithm is used by Optimized Link State Routing
(OLSR) and OLSR version 2 (OLSRv2) protocols for the
relay of link state updates and other control
information [RFC3626]. Since each router picks
its neighboring relays independently, sMPR
forwarders depend upon previous hop information
(e.g., source MAC address) to operate correctly.
Extended Connected Dominating Set (eCDS(3)) -
defined in [RFC5614] this algorithm forms a single
CDS mesh for the SMF operating region. Its
packet-forwarding rules are not dependent upon
previous hop knowledge in contrast to sMPR.
Multipoint Relay Connected Dominating Set (mprCDS(4)) -
This algorithm is an extension to the basic sMPR
election algorithm that results in a shared
(non-source-specific) SMF CDS. Thus, its forwarding
rules are not dependent upon previous hop information,
similar to eCDS.
IANA MUST update this textual convention accordingly.
The definition of this textual convention with the
addition of newly assigned values is published
periodically by the IANA, in either the Assigned
Numbers RFC, or some derivative of it specific to
Internet Network Management number assignments. (The
latest arrangements can be obtained by contacting the
IANA.)
Requests for new values SHOULD be made to IANA via
email (iana@iana.org)."
REFERENCE
"See, e.g.,
Section 8.1.1. 'SMF Message TLV Type',
Appendix A. 'Essential Connecting Dominating Set (E-CDS)
Algorithm',
Appendix B. 'Source-Based Multipoint Relay (S-MPR)
Algorithm', and
Appendix C. 'Multipoint Relay Connected Dominating Set
(MPR-CDS) Algorithm'
in RFC 6621 - Macker, J., `Simplified Multicast
Forwarding (SMF)', May 2012.
RFC 3626 - Clausen, T., and P. Jacquet, `Optimized Link
State Routing Protocol (OLSR)', October 2003.
RFC 5614 - Ogier, R. and P. Spagnolo, `Mobile Ad Hoc
Network (MANET) Extension of OSPF Using Connected
Dominating Set (CDS) Flooding', August 2009.
"
SYNTAX INTEGER {
cF(1),
sMPR(2),
eCDS(3),
mprCDS(4)
-- future(5-127)
-- noStdAction(128-239)
-- experimental(240-255)
}
END
This section discusses security implications of the choices made in this SMF-MIB module.
There are a number of management objects defined in this MIB module with a MAX-ACCESS clause of read-write and/or read-create. Such objects may be considered sensitive or vulnerable in some network environments. The support for SET operations in a non-secure environment without proper protection can have a negative effect on network operations. These are the tables and objects and their sensitivity/vulnerability:
Some of the readable objects in this MIB module (i.e., objects with a MAX-ACCESS other than not-accessible) may be considered sensitive or vulnerable in some network environments. It is thus important to control even GET and/or NOTIFY access to these objects and possibly to even encrypt the values of these objects when sending them over the network via SNMP. These are the tables and objects and their sensitivity/vulnerability:
The remainder of the objects in the SMF-MIB module are performance counter objects. While these give an indication of the activity of the SMF process on this node, it is not expected that exposing these values pose a security risk to the MANET network.
SNMP versions prior to SNMPv3 did not include adequate security. Even if the network itself is secure (for example by using IPSec), even then, there is no control as to who on the secure network is allowed to access and GET/SET (read/change/create/delete) the objects in this MIB module.
Implementations MUST provide the security features described by the SNMPv3 framework (see [RFC3410] ), including full support for authentication and privacy via the User-based Security Model (USM) [RFC3414] with the AES cipher algorithm [RFC3826]. Implementations MAY also provide support for the Transport Security Model (TSM) [RFC5591] in combination with a secure transport such as SSH [RFC5592] or TLS/DTLS [RFC6353].
Further, deployment of SNMP versions prior to SNMPv3 is NOT RECOMMENDED. Instead, it is RECOMMENDED to deploy SNMPv3 and to enable cryptographic security. It is then a customer/operator responsibility to ensure that the SNMP entity giving access to an instance of this MIB module is properly configured to give access to the objects only to those principals (users) that have legitimate rights to indeed GET or SET (change/create/delete) them.
This document describes objects for configuring parameters of the Simplified Multicast Forwarding [RFC6621] process on a Mobile Ad-Hoc Network (MANET) router. This MIB module, denoted SMF-MIB, also reports state and performance information and notifications. This section provides some examples of how this MIB module can be used in MANET network deployments. A fuller discussion of MANET network management use cases and challenges will be provided elsewhere.
SMF is designed to allow MANET routers to forward IPv4 and IPv6 packets over the MANET and cover the MANET nodes through the automatic discovery of efficient estimates of the Minimum Connected Dominating Set (MCDS) of nodes within the MANET. The MCDS are estimated using the Relay Set Selection Algorithms (RSSAs) discussed within this document. In the following, three scenarios are listed where this MIB module is useful, i.e.,
Here we provide an example of the simplest of configurations to establish an operational multicast forwarding capability in a MANET. This discussion only identifies the configuration necessary through the SMF-MIB module and assumes that other configuration has occurred. Assume that the MANET is to support only IPv4 addressing and that the MANET nodes are to be configured in the context of the Parking Lot Initialization case above. Then the SMF-MIB module defines ten configuration OIDs and two configuration tables, i.e., the smfCfgAddrForwardingTable and the smfCfgInterfaceTable. Of the ten OIDs defined, all but one, i.e., the smfCfgRouterID, have DEFVAL clauses which allow for a functional configuration of the SMF process within the MANET. The smfCfgRouterIDType defaults to 'ipv4' so the smfCfgRouterID can be set as, e.g. (assuming the use of the Net-SNMP toolkit),:
snmpset [options] <smfCfgRouterID_OID>.0 a 192.0.2.100
If the smfCfgAddrForwardingTable is left empty, then the SMF local forwarder will forward all multicast addresses. So this table does not require configuration if you want to have the MANET forward all multicast addresses.
All that remains is to configure at least one row in the smfCfgInterfaceTable. Assume that the node has a wireless interface with an <ifName>='wlan0' and an <ifIndex>='1'. All of the objects in the rows of the smfCfgInterfaceTable have a DEFVAL clause, hence only the RowStatus object needs to be set. So the SMF process will be activated on the 'wlan0' interface by the following network manager snmpset command:
snmpset [options] <smfCfgIfRowStatus>.1 i active(1)
At this point, the configured forwarder will begin a Classical Flooding algorithm to forward all multicast addresses IPv4 packets it receives.
To provide a more efficient multicast forwarding within the MANET, the network manager could walk the smfCapabilitiesTable to identify other SMF operational modes, e.g.,:
snmpwalk [options] <smfCapabilitiesTable>
SMF-MIB::smfCapabilitiesIndex.1 = INTEGER: 1
SMF-MIB::smfCapabilitiesIndex.2 = INTEGER: 2
SMF-MIB::smfCapabilitiesOpModeID.1 = INTEGER: cfOnly(1)
SMF-MIB::smfCapabilitiesOpModeiD.2 = INTEGER: independent(2)
SMF-MIB::smfCapabilitiesRssaID.1 = INTEGER: cF(1)
SMF-MIB::smfCapabilitiesRssaID.2 = INTEGER: eCDS(3)
In this example, the forwarding device also supports the Extended Connected Dominating Set (eCDS) RSSA with the forwarder in the 'independent(2)' operational mode. If the network manager were to then issue an snmpset, e.g.,:
snmpset [options] <smfCfgOperationalMode>.0 i 2
then the local forwarder would switch if forwarding behavior from Classical Flooding to the more efficient eCDS flooding.
This document defines two MIB modules:
Thus, there are three actions requested of IANA:
1. IANA is requested to allocate an OBJECT IDENTIFIER value and record it in the SMI Numbers registry in the sub-registry called "SMI Experimental Codes" under the experimental branch (1.3.6.1.3).
Decimal | Name | Description | Reference
--------+---------+---------------+------------
xxxx | smfMib | SMF-MIB | [This.I-D]
[RFC Editor Note: Please replace the tag "xxxx" in
this document with the value assigned by IANA and
remove this note.]
2. IANA is requested to allocate an OBJECT IDENTIFIER value and record it in the SMI Numbers registry in the sub-registry called "SMI Network Management MGMT Codes Internet-standard MIB" under the mib-2 branch (1.3.6.1.2.1).
Decimal | Name | Description | Reference
--------+---------------+-----------------+------------
kkkk | ianaSmfMIB | IANA-SMF-MIB | [This.I-D]
[RFC Editor Note: Please replace the tag "kkkk" in
this document with the value assigned by IANA and
remove this note.]
3. IANA is requested to maintain a MIB module called ianaSmfMIB and populate it with the initial MIB module defined in Section 8 of this document by creating a new entry in the registry "IANA Maintained MIBs" called "IANA-SMF-MIB".
This MIB document uses the template authored by D. Harrington which is based on contributions from the MIB Doctors, especially Juergen Schoenwaelder, Dave Perkins, C.M.Heard and Randy Presuhn.
The authors would like to acknowledge the valuable comments from Sean Harnedy in the early phases of the development of this MIB module. The authors would like to thank Adrian Farrel, Dan Romascanu, Juergen Shoenwaelder, Stephen Hanna, and Brian Haberman for their careful review of this documenti and their insightful comments. We also wish to thank the entire MANET WG for many reviews of this document. Further the authors would like to thank James Nguyen for his careful review and comments on this MIB module and his work on the definitions of the follow-on MIB modules to configure specific RSSA algorithms related to SMF. Further, the authors would like to acknowledge to work of James Nguyen, Brian Little, Ryan Morgan and Justin Dean on their software development of the SMF-MIB.
***************************************************************
* Note to the RFC Editor (to be removed prior to publication) *
* *
* 1) The reference to RFCXXXX throughout this document point *
* to the current draft-ietf-manet-smf-xx.txt. This needs *
* to be replaced with the XXXX RFC number for the SMF *
* publication. *
* *
* 2) This document also contains the IANA-SMF-MIB module *
* which is defined by this specification above. IANA should *
* take over the IANA-SMF-MIB and keep it synchronized with *
* the registries identified within the contained *
* IANAsmfOpModeIdTC and IANAsmfRssaIdTC TEXTUAL-CONVENTIONs. *
* *
***************************************************************