One document matched: draft-thaler-idmr-multiproto-pimmib-00.txt
IDMR Working Group Dave Thaler
Internet Draft Microsoft
Andrew Adams
William Siadak
Djinesys, Inc.
draft-thaler-idmr-multiproto-pimmib-00.txt June 2000
Experimental
Protocol Independent Multicast MIB for IP
Status of this Memo
This document is an Internet-Draft and is in full conformance with
all provisions of Section 10 of RFC2026.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF), its areas, and its working groups. Note that
other groups may also distribute working documents as Internet-
Drafts.
Internet-Drafts are draft documents valid for a maximum of six
months and may be updated, replaced, or obsoleted by other documents
at any time. It is inappropriate to use Internet-Drafts as
reference material or to cite them other than as "work in progress."
The list of current Internet-Drafts can be accessed at
http://www.ietf.org/ietf/1id-abstracts.txt.
The list of Internet-Draft Shadow Directories can be accessed at
http://www.ietf.org/shadow.html.
Copyright Notice
Copyright (C) The Internet Society (2000). All Rights Reserved.
1. Abstract
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 managed objects used for managing the
Protocol Independent Multicast (PIM) protocol for IPv4 and IPv6.
2. Introduction
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 managed objects used for managing the
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draft-thaler-idmr-multiproto-pimmib-1 June, 2000
Protocol Independent Multicast (PIM) protocol [1,2,3,4,5]. This MIB
module is applicable to IPv4 and IPv6 multicast routers which
implement PIM. This MIB extends the MIB proposed in [6]. This MIB
does not support management of PIM for other address families. Such
management may be supported by other MIBs.
3. The SNMP Network Management Framework
The SNMP Management Framework presently consists of five major
components:
o An overall architecture, described in RFC 2271 [7].
o Mechanisms for describing and naming objects and events for the
purpose of management. The first version of this Structure of
Management Information (SMI) is called SMIv1 and described in RFC
1155 [8], RFC 1212 [9] and RFC 1215 [10]. The second version, called
SMIv2, is described in RFC 2578 [11], RFC 2579 [12] and RFC 2580
[13].
o Message protocols for transferring management information. The
first version of the SNMP message protocol is called SNMPv1 and
described in RFC 1157 [14]. A second version of the SNMP message
protocol, which is not an Internet standards track protocol, is
called SNMPv2c and described in RFC 1901 [15] and RFC 1906 [16]. The
third version of the message protocol is called SNMPv3 and described
in RFC 1906 [16], RFC 2572 [17] and RFC 2574 [18].
o Protocol operations for accessing management information. The
first set of protocol operations and associated PDU formats is
described in RFC 1157 [14]. A second set of protocol operations and
associated PDU formats is described in RFC 1905 [19].
o A set of fundamental applications described in RFC 2573 [20]
and the view-based access control mechanism described in RFC 2575
[21].
Managed objects are accessed via a virtual information store, termed
the Management Information Base or MIB. Objects in the MIB are
defined using the mechanisms defined in the SMI.
This memo specifies a MIB module that is compliant to the SMIv2. A
MIB conforming to the SMIv1 can be produced through the appropriate
translations. The resulting translated MIB must be semantically
equivalent, except where objects or events are omitted because no
translation is possible (use of Counter64). Some machine readable
information in SMIv2 will be converted into textual descriptions in
SMIv1 during the translation process. However, this loss of machine
readable information is not considered to change the semantics of
the MIB.
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4. Overview
This MIB module contains one scalar and eight tables. Some of the
objects in these tables are deprecated. This MIB contains
deprecated objects since they are necessary for managing PIMv1
routers, but PIMv1 itself is obsoleted by PIMv2 [3,4].
The tables contained in this MIB are:
(1) The PIM Interface Table contains one row for each of the
router's PIM interfaces.
(2) The PIM Neighbor Table contains one row for each of the
router's PIM neighbors.
(3) The PIM IP Multicast Route Table contains one row for each
multicast routing entry whose incoming interface is running
PIM.
(4) The PIM Next Hop Table contains one row for each outgoing
interface list entry in the multicast routing table whose interface
is running PIM, and whose state is pruned.
(5) The (deprecated) PIM RP Table contains the PIM (version 1)
information for IP multicast groups which is common to all RPs of a
group.
(6) The PIM RP-Set Table contains the PIM (version 2) information
for sets of candidate Rendezvous Points (RPs) for multicast group
addresses with particular address prefixes.
(7) The PIM Candidate-RP Table contains the multicast groups for
which the local router is to advertise itself as a Candidate-RP. If
this table is empty, then the local router advertises itself as a
Candidate-RP for all groups.
(8) The PIM Component Table contains one row for each of the PIM
domains to which the router is connected.
5. Definitions
PIMG-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE, experimental,
NOTIFICATION-TYPE,
Integer32, TimeTicks FROM SNMPv2-SMI
RowStatus, TruthValue FROM SNMPv2-TC
MODULE-COMPLIANCE, OBJECT-GROUP,
NOTIFICATION-GROUP FROM SNMPv2-CONF
inetMRouteGroupType, inetMRouteGroup, inetMRouteGroupMaskLen,
inetMRouteSourceType, inetMRouteSource, inetMRouteSourceMaskLen,
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inetMRouteNextHopGroupType, inetMRouteNextHopGroup,
inetMRouteNextHopSourceType, inetMRouteNextHopSource,
inetMRouteNextHopSourceMaskLen,
inetMRouteNextHopIfIndex, inetMRouteNextHopAddressType,
inetMRouteNextHopAddress FROM INETMROUTE-STD-MIB
InterfaceIndex FROM IF-MIB
InetAddress, InetAddressType FROM INET-ADDRESS-MIB;
pimgMIB MODULE-IDENTITY
LAST-UPDATED "200003091200Z" -- March 9, 2000
ORGANIZATION "IETF IDMR Working Group."
CONTACT-INFO
" Dave Thaler
Microsoft Corporation
One Microsoft Way
Redmond, WA 98052-6399
US
Phone: +1 425 703 8835
EMail: dthaler@dthaler.microsoft.com
Andrew Adams
Merit Network, Inc.
4251 Plymouth Rd.
Ann Arbor, MI 48105-2785
Phone: +1 734 763-6378
EMail: ala@merit.edu
William Siadak
Merit Network, Inc.
4251 Plymouth Rd.
Ann Arbor, MI 48105-2785
Phone: +1 734 936 2035
EMail: wfs@merit.edu"
DESCRIPTION
"The MIB module for management of PIM routers."
REVISION "200003091200Z" -- March 9, 2000
DESCRIPTION
"Initial version, published as RFC xxxx (to be filled in
by RFC-Editor)."
::= { experimental XX }
pimgMIBObjects OBJECT IDENTIFIER ::= { pimgMIB 1 }
pimgTraps OBJECT IDENTIFIER ::= { pimgMIBObjects 0 }
pimg OBJECT IDENTIFIER ::= { pimgMIBObjects 1 }
pimgJoinPruneInterval OBJECT-TYPE
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SYNTAX Integer32
UNITS "seconds"
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The default interval at which periodic PIM-SM
Join/Prune
messages are to be sent."
::= { pimg 1 }
-- The PIM Interface Table
pimgInterfaceTable OBJECT-TYPE
SYNTAX SEQUENCE OF PimgInterfaceEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table listing the router's PIM
interfaces. IGMP and PIM are enabled on all interfaces
listed in this table."
::= { pimg 2 }
pimgInterfaceEntry OBJECT-TYPE
SYNTAX PimgInterfaceEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (conceptual row) in the pimgInterfaceTable."
INDEX { pimgInterfaceIfIndex }
::= { pimgInterfaceTable 1 }
PimgInterfaceEntry ::= SEQUENCE {
pimgInterfaceIfIndex InterfaceIndex,
pimgInterfaceAddressType InetAddressType,
pimgInterfaceAddress InetAddress,
pimgInterfaceNetMaskLen INTEGER,
pimgInterfaceMode INTEGER,
pimgInterfaceDRType InetAddressType,
pimgInterfaceDR InetAddress,
pimgInterfaceHelloInterval Integer32,
pimgInterfaceStatus RowStatus,
pimgInterfaceJoinPruneInterval Integer32,
pimgInterfaceCBSRPreference Integer32
}
pimgInterfaceIfIndex OBJECT-TYPE
SYNTAX InterfaceIndex
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The ifIndex value of this PIM interface."
::= { pimgInterfaceEntry 1 }
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pimgInterfaceAddressType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A value indicating the address family of the address
contained in pimgInterfaceAddress. Legal values
correspond to the subset of address families for which
PIM routing is supported."
::= { pimgInterfaceEntry 2 }
pimgInterfaceAddress OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The IP address of the PIM interface."
::= { pimgInterfaceEntry 3 }
pimgInterfaceNetMaskLen OBJECT-TYPE
SYNTAX INTEGER (0..128)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The length in bits of the network mask which when
combined with the corresponding value of
pimgInterfaceAddress identifies the address of the
network
to which the PIM interface is attached."
::= { pimgInterfaceEntry 4 }
pimgInterfaceMode OBJECT-TYPE
SYNTAX INTEGER { dense(1), sparse(2), sparseDense(3) }
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The configured mode of this PIM interface. A value of
sparseDense is only valid for PIMv1."
DEFVAL { dense }
::= { pimgInterfaceEntry 5 }
pimgInterfaceDRType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A value indicating the address family of the address
contained in pimgInterfaceDR. The value MUST be the same
as
the value of pimgInterfaceAddressType."
::= { pimgInterfaceEntry 6 }
pimgInterfaceDR OBJECT-TYPE
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SYNTAX InetAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The Designated Router on this PIM interface. For
point-to-point interfaces, pimgInterfaceDR will be
0.0.0.0
in the case of an IPv4 entry, and 0:0:0:0:0:0:0:0 in the
case of an IPv6 entry."
::= { pimgInterfaceEntry 7 }
pimgInterfaceHelloInterval OBJECT-TYPE
SYNTAX Integer32
UNITS "seconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The frequency at which PIM Hello messages are
transmitted
on this interface."
DEFVAL { 30 }
::= { pimgInterfaceEntry 8 }
pimgInterfaceStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The status of this entry. Creating the entry enables
PIM
on the interface; destroying the entry disables PIM on
the
interface."
::= { pimgInterfaceEntry 9 }
pimgInterfaceJoinPruneInterval OBJECT-TYPE
SYNTAX Integer32
UNITS "seconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The frequency at which PIM Join/Prune messages are
transmitted on this PIM interface. The default value of
this object is the pimgJoinPruneInterval."
::= { pimgInterfaceEntry 10 }
pimgInterfaceCBSRPreference OBJECT-TYPE
SYNTAX Integer32 (-1..255)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The preference value for the local interface as a
candidate bootstrap router. The value of -1 is used to
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indicate that the local interface is not a candidate BSR
interface."
DEFVAL { 0 }
::= { pimgInterfaceEntry 11 }
-- The PIM Neighbor Table
pimgNeighborTable OBJECT-TYPE
SYNTAX SEQUENCE OF PimgNeighborEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table listing the router's PIM
neighbors."
::= { pimg 3 }
pimgNeighborEntry OBJECT-TYPE
SYNTAX PimgNeighborEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (conceptual row) in the pimgNeighborTable."
INDEX { pimgNeighborAddressType, pimgNeighborAddress }
::= { pimgNeighborTable 1 }
PimgNeighborEntry ::= SEQUENCE {
pimgNeighborAddressType InetAddressType,
pimgNeighborAddress InetAddress,
pimgNeighborIfIndex InterfaceIndex,
pimgNeighborUpTime TimeTicks,
pimgNeighborExpiryTime TimeTicks,
pimgNeighborMode INTEGER
}
pimgNeighborAddressType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A value indicating the address family of the address
contained in pimgNeighborAddress. Legal values
correspond
to the subset of
address families for which PIM routing is supported."
::= { pimgNeighborEntry 1 }
pimgNeighborAddress OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The IP address of the PIM neighbor for which this entry
contains information."
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::= { pimgNeighborEntry 2 }
pimgNeighborIfIndex OBJECT-TYPE
SYNTAX InterfaceIndex
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of ifIndex for the interface used to reach
this
PIM neighbor."
::= { pimgNeighborEntry 3 }
pimgNeighborUpTime OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The time since this PIM neighbor (last) became a
neighbor
of the local router."
::= { pimgNeighborEntry 4 }
pimgNeighborExpiryTime OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The minimum time remaining before this PIM neighbor
will
be aged out."
::= { pimgNeighborEntry 5 }
pimgNeighborMode OBJECT-TYPE
SYNTAX INTEGER { dense(1), sparse(2) }
MAX-ACCESS read-only
STATUS deprecated
DESCRIPTION
"The active PIM mode of this neighbor. This object is
deprecated for PIMv2 routers since all neighbors on the
interface must be either dense or sparse as determined
by
the protocol running on the interface."
::= { pimgNeighborEntry 6 }
--
-- The PIM IP Multicast Route Table
--
pimgInetMRouteTable OBJECT-TYPE
SYNTAX SEQUENCE OF PimgInetMRouteEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
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"The (conceptual) table listing PIM-specific information
on a subset of the rows of the inetMRouteTable defined
in
the Inet Multicast MIB."
::= { pimg 4 }
pimgInetMRouteEntry OBJECT-TYPE
SYNTAX PimgInetMRouteEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (conceptual row) in the pimgInetMRouteTable.
There is one entry per entry in the inetMRouteTable
whose
incoming interface is running PIM."
INDEX { inetMRouteGroupType,
inetMRouteGroup,
inetMRouteGroupMaskLen,
inetMRouteSourceType,
inetMRouteSource,
inetMRouteSourceMaskLen }
::= { pimgInetMRouteTable 1 }
PimgInetMRouteEntry ::= SEQUENCE {
pimgInetMRouteUpstreamAssertTimer TimeTicks,
pimgInetMRouteAssertMetric Integer32,
pimgInetMRouteAssertMetricPref Integer32,
pimgInetMRouteAssertRPTBit TruthValue,
pimgInetMRouteFlags BITS
}
pimgInetMRouteUpstreamAssertTimer OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The time remaining before the router changes its
upstream
neighbor back to its RPF neighbor. This timer is called
the Assert timer in the PIM Sparse and Dense mode
specification. A value of 0 indicates that no Assert has
changed the upstream neighbor away from the RPF
neighbor."
::= { pimgInetMRouteEntry 1 }
pimgInetMRouteAssertMetric OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The metric advertised by the assert winner on the
upstream interface, or 0 if no such assert is in
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received."
::= { pimgInetMRouteEntry 2 }
pimgInetMRouteAssertMetricPref OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The preference advertised by the assert winner on the
upstream interface, or 0 if no such assert is in
effect."
::= { pimgInetMRouteEntry 3 }
pimgInetMRouteAssertRPTBit OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of the RPT-bit advertised by the assert
winner
on the upstream interface, or false if no such assert is
in effect."
::= { pimgInetMRouteEntry 4 }
pimgInetMRouteFlags OBJECT-TYPE
SYNTAX BITS {
rpt(0),
spt(1)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object describes PIM-specific flags related
to a multicast state entry. See the PIM Sparse
Mode specification for the meaning of the RPT and
SPT bits."
::= { pimgInetMRouteEntry 5 }
--
-- The PIM Next Hop Table
--
pimgInetMRouteNextHopTable OBJECT-TYPE
SYNTAX SEQUENCE OF PimgInetMRouteNextHopEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table listing PIM-specific
information on a subset of the rows of the
inetMRouteNextHopTable defined in the IP Multicast
MIB."
::= { pimg 7 }
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pimgInetMRouteNextHopEntry OBJECT-TYPE
SYNTAX PimgInetMRouteNextHopEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (conceptual row) in the
pimgInetMRouteNextHopTable. There is one entry per
entry in the inetMRouteNextHopTable whose interface
is running PIM and whose inetMRouteNextHopState is
pruned(1)."
INDEX { inetMRouteNextHopGroupType,
inetMRouteNextHopGroup,
inetMRouteNextHopSourceType,
inetMRouteNextHopSource,
inetMRouteNextHopSourceMaskLen,
inetMRouteNextHopIfIndex,
inetMRouteNextHopAddressType,
inetMRouteNextHopAddress }
::= { pimgInetMRouteNextHopTable 1 }
PimgInetMRouteNextHopEntry ::= SEQUENCE {
pimgInetMRouteNextHopPruneReason INTEGER
}
pimgInetMRouteNextHopPruneReason OBJECT-TYPE
SYNTAX INTEGER {
other (1),
prune (2),
assert (3)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object indicates why the downstream interface
was pruned, whether in response to a PIM prune
message or due to PIM Assert processing."
::= { pimgInetMRouteNextHopEntry 2 }
-- The PIM RP Table
pimgRPTable OBJECT-TYPE
SYNTAX SEQUENCE OF PimgRPEntry
MAX-ACCESS not-accessible
STATUS deprecated
DESCRIPTION
"The (conceptual) table listing PIM version 1
information for the Rendezvous Points (RPs) for
multicast groups. This table is deprecated since
its function is replaced by the pimgRPSetTable for
PIM version 2."
::= { pimg 5 }
pimgRPEntry OBJECT-TYPE
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SYNTAX PimgRPEntry
MAX-ACCESS not-accessible
STATUS deprecated
DESCRIPTION
"An entry (conceptual row) in the pimgRPTable.
There is one entry per RP address for each
multicast group."
INDEX { pimgRPGroupAddressType, pimgRPGroupAddress,
pimgRPAddressType, pimgRPAddress }
::= { pimgRPTable 1 }
PimgRPEntry ::= SEQUENCE {
pimgRPGroupAddressType InetAddressType,
pimgRPGroupAddress InetAddress,
pimgRPAddressType InetAddressType,
pimgRPAddress InetAddress,
pimgRPState INTEGER,
pimgRPStateTimer TimeTicks,
pimgRPLastChange TimeTicks,
pimgRPRowStatus RowStatus
}
pimgRPGroupAddressType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS not-accessible
STATUS deprecated
DESCRIPTION
"A value indicating the address family of the
address contained in pimgRPGroupAddress. Legal
values are:
unknown(0), ipv4(1), ipv6(2), dns(16)"
::= { pimgRPEntry 1 }
pimgRPGroupAddress OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS not-accessible
STATUS deprecated
DESCRIPTION
"The multicast group address for which this entry
contains information about an RP."
::= { pimgRPEntry 2 }
pimgRPAddressType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS not-accessible
STATUS deprecated
DESCRIPTION
"A value indicating the address family of the
address contained in pimgRPAddress. The value MUST
be the same as the value of
pimgRPGroupAddressType."
::= { pimgRPEntry 3 }
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pimgRPAddress OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS not-accessible
STATUS deprecated
DESCRIPTION
"The unicast address of the RP."
::= { pimgRPEntry 4 }
pimgRPState OBJECT-TYPE
SYNTAX INTEGER { up(1), down(2) }
MAX-ACCESS read-only
STATUS deprecated
DESCRIPTION
"The state of the RP."
::= { pimgRPEntry 5 }
pimgRPStateTimer OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS deprecated
DESCRIPTION
"The minimum time remaining before the next state
change. When pimgRPState is up, this is the minimum
time which must expire until it can be declared
down. When pimgRPState is down, this is the time
until it will be declared up (in order to retry)."
::= { pimgRPEntry 6 }
pimgRPLastChange OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS deprecated
DESCRIPTION
"The value of sysUpTime at the time when the
corresponding instance of pimgRPState last changed
its value."
::= { pimgRPEntry 7 }
pimgRPRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS deprecated
DESCRIPTION
"The status of this row, by which new entries may
be created, or old entries deleted from this
table."
::= { pimgRPEntry 8 }
-- The PIM RP-Set Table
pimgRPSetTable OBJECT-TYPE
SYNTAX SEQUENCE OF PimgRPSetEntry
MAX-ACCESS not-accessible
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STATUS current
DESCRIPTION
"The (conceptual) table listing PIM information for
candidate Rendezvous Points (RPs) for multicast
groups. When the local router is the BSR, this
information is obtained from received Candidate-RP-
Advertisements. When the local router is not the
BSR, this information is obtained from received RP-
Set messages."
::= { pimg 6 }
pimgRPSetEntry OBJECT-TYPE
SYNTAX PimgRPSetEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (conceptual row) in the pimgRPSetTable."
INDEX { pimgRPSetComponent,
pimgRPSetGroupAddressType,
pimgRPSetGroupAddress,
pimgRPSetGroupMaskLen, pimgRPSetAddressType,
pimgRPSetAddress }
::= { pimgRPSetTable 1 }
PimgRPSetEntry ::= SEQUENCE {
pimgRPSetGroupAddressType InetAddressType,
pimgRPSetGroupAddress InetAddress,
pimgRPSetGroupMaskLen INTEGER,
pimgRPSetAddressType InetAddressType,
pimgRPSetAddress InetAddress,
pimgRPSetHoldTime Integer32,
pimgRPSetExpiryTime TimeTicks,
pimgRPSetComponent Integer32
}
pimgRPSetGroupAddressType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A value indicating the address family of the address
contained in pimgRPSetGroupAddress. Legal values
correspond to the subset of address families for which
PIM
routing is supported."
::= { pimgRPSetEntry 1 }
pimgRPSetGroupAddress OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The IP multicast group address which, when
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combined with
the value of pimgRPSetGroupMaskLen, gives the group
prefix for which this entry contains information
about the Candidate-RP."
::= { pimgRPSetEntry 2 }
pimgRPSetGroupMaskLen OBJECT-TYPE
SYNTAX INTEGER (0..128)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The length in bits of the mask which, when
combined with pimgRPSetGroupAddress, gives the
group prefix for which this entry contains
information about the Candidate-RP."
::= { pimgRPSetEntry 3 }
pimgRPSetAddressType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A value indicating the address family of the
address contained in pimgRPSetAddress. The value
MUST be the same as the value of
pimgRPSetGroupAddressType."
::= { pimgRPSetEntry 4 }
pimgRPSetAddress OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The address of the Candidate-RP."
::= { pimgRPSetEntry 5 }
pimgRPSetHoldTime OBJECT-TYPE
SYNTAX Integer32 (0..255)
UNITS "seconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The holdtime of a Candidate-RP. If the local
router is not the BSR, this value is 0."
::= { pimgRPSetEntry 6 }
pimgRPSetExpiryTime OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The minimum time remaining before the Candidate-RP
will be declared down. If the local router is not
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the BSR, this value is 0."
::= { pimgRPSetEntry 7 }
pimgRPSetComponent OBJECT-TYPE
SYNTAX Integer32 (1..255)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A number uniquely identifying the component. Each
protocol instance connected to a separate domain
should have a different index value."
::= { pimgRPSetEntry 8 }
-- The PIM Candidate-RP Table
pimgCandidateRPTable OBJECT-TYPE
SYNTAX SEQUENCE OF PimgCandidateRPEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table listing the multicast
groups for which the local router is to advertise
itself as a Candidate-RP when the value of
pimgComponentCRPHoldTime is non-zero. If this
table is empty, then the local router
will advertise itself as a Candidate-RP for all
groups (providing the value of
pimgComponentCRPHoldTime is non-zero)."
::= { pimg 11 }
pimgCandidateRPEntry OBJECT-TYPE
SYNTAX PimgCandidateRPEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (conceptual row) in the
pimgCandidateRPTable."
INDEX { pimgCandidateRPGroupAddressType,
pimgCandidateRPGroupAddress,
pimgCandidateRPGroupMaskLen }
::= { pimgCandidateRPTable 1 }
PimgCandidateRPEntry ::= SEQUENCE {
pimgCandidateRPGroupAddressType InetAddressType,
pimgCandidateRPGroupAddress InetAddress,
pimgCandidateRPGroupMaskLen INTEGER,
pimgCandidateRPAddressType InetAddressType,
pimgCandidateRPAddress InetAddress,
pimgCandidateRPRowStatus RowStatus
}
pimgCandidateRPGroupAddressType OBJECT-TYPE
SYNTAX InetAddressType
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MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A value indicating the address family of the
address contained in pimgCandidateRPGroupAddress.
Legal values correspond to the subset of address
families for which PIM routing is supported."
::= { pimgCandidateRPEntry 1 }
pimgCandidateRPGroupAddress OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The multicast group address which, when combined
with the corresponding value of
pimgCandidateRPGroupMaskLen, identifies a group
prefix for which the local router will advertise
itself as a Candidate-RP."
::= { pimgCandidateRPEntry 2 }
pimgCandidateRPGroupMaskLen OBJECT-TYPE
SYNTAX INTEGER (0..128)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The length in bits of the mask which, when
combined with pimgCandidateRPGroupAddress,
identifies a group prefix for which the local
router will advertise itself as a Candidate-RP."
::= { pimgCandidateRPEntry 3 }
pimgCandidateRPAddressType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"A value indicating the address family of the
address contained in pimgCandidateRPAddress. The
value MUST be the same as the value of
pimgCandidateRPGroupAddressType."
::= { pimgCandidateRPEntry 4 }
pimgCandidateRPAddress OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The (unicast) address of the interface which will
be advertised as a Candidate-RP."
::= { pimgCandidateRPEntry 5 }
pimgCandidateRPRowStatus OBJECT-TYPE
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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."
::= { pimgCandidateRPEntry 6 }
-- The PIM Component Table
pimgComponentTable OBJECT-TYPE
SYNTAX SEQUENCE OF PimgComponentEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table containing objects specific
to a PIM domain. One row exists for each domain to
which the router is connected. A PIM-SM domain is
defined as an area of the network over which
Bootstrap messages are forwarded. Typically, a PIM-
SM router will be a member of exactly one domain.
This table also supports, however, routers which
may form a border between two PIM-SM domains and do
not forward Bootstrap messages between them."
::= { pimg 12 }
pimgComponentEntry OBJECT-TYPE
SYNTAX PimgComponentEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (conceptual row) in the
pimgComponentTable."
INDEX { pimgComponentIndex }
::= { pimgComponentTable 1 }
PimgComponentEntry ::= SEQUENCE {
pimgComponentIndex Integer32,
pimgComponentBSRAddressType InetAddressType,
pimgComponentBSRAddress InetAddress,
pimgComponentBSRExpiryTime TimeTicks,
pimgComponentCRPHoldTime Integer32,
pimgComponentStatus RowStatus
}
pimgComponentIndex OBJECT-TYPE
SYNTAX Integer32 (1..255)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A number uniquely identifying the component. Each
protocol instance connected to a separate domain
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should have a different index value. Routers that
only support membership in a single PIM-SM domain
should use a pimgComponentIndex value of 1."
::= { pimgComponentEntry 1 }
pimgComponentBSRAddressType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A value indicating the address family of the
address contained in pimgComponentBSRAddress. Legal
values correspond to the subset of address families
for which PIM routing is supported."
::= { pimgComponentEntry 2 }
pimgComponentBSRAddress OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The address of the bootstrap router (BSR) for the
local PIM region."
::= { pimgComponentEntry 3 }
pimgComponentBSRExpiryTime OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The minimum time remaining before the bootstrap
router in the local domain will be declared down.
For candidate BSRs, this is the time until the
component sends an RP-Set message. For other
routers, this is the time until it may accept an
RP-Set message from a lower candidate BSR."
::= { pimgComponentEntry 4 }
pimgComponentCRPHoldTime OBJECT-TYPE
SYNTAX Integer32 (0..255)
UNITS "seconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The holdtime of the component when it is a
candidate RP in the local domain. The value of 0
is used to indicate that the local system is not a
Candidate-RP."
DEFVAL { 0 }
::= { pimgComponentEntry 5 }
pimgComponentStatus OBJECT-TYPE
SYNTAX RowStatus
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MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The status of this entry. Creating the entry
creates another protocol instance; destroying the
entry disables a protocol instance."
::= { pimgComponentEntry 6 }
-- PIM Traps
pimgNeighborLoss NOTIFICATION-TYPE
OBJECTS {
pimgNeighborIfIndex
}
STATUS current
DESCRIPTION
"A pimgNeighborLoss trap signifies the loss of an
adjacency with a neighbor. This trap should be
generated when the neighbor timer expires, and the
router has no other neighbors on the same interface
with a lower IP address than itself."
::= { pimgTraps 1 }
-- conformance information
pimgMIBConformance OBJECT IDENTIFIER ::= { pimgMIB 2 }
pimgMIBCompliances OBJECT IDENTIFIER ::= { pimgMIBConformance 1 }
pimgMIBGroups OBJECT IDENTIFIER ::= { pimgMIBConformance 2 }
-- compliance statements
pimgV1MIBCompliance MODULE-COMPLIANCE
STATUS deprecated
DESCRIPTION
"The compliance statement for routers running PIMv1
and implementing the PIM MIB."
MODULE -- this module
MANDATORY-GROUPS { pimgV1MIBGroup }
::= { pimgMIBCompliances 1 }
pimgSparseV2MIBCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The compliance statement for routers running PIM
Sparse Mode and implementing the PIM MIB."
MODULE -- this module
MANDATORY-GROUPS { pimgV2MIBGroup }
GROUP pimgV2CandidateRPMIBGroup
DESCRIPTION
"This group is mandatory if the router is capable
of being a Candidate RP."
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OBJECT pimgInterfaceStatus
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
::= { pimgMIBCompliances 2 }
pimgDenseV2MIBCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The compliance statement for routers running PIM
Dense Mode and implementing the PIM MIB."
MODULE -- this module
MANDATORY-GROUPS { pimgDenseV2MIBGroup }
OBJECT pimgInterfaceStatus
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
::= { pimgMIBCompliances 3 }
-- units of conformance
pimgNotificationGroup NOTIFICATION-GROUP
NOTIFICATIONS { pimgNeighborLoss }
STATUS current
DESCRIPTION
"A collection of notifications for signaling
important PIM events."
::= { pimgMIBGroups 1 }
pimgV2MIBGroup OBJECT-GROUP
OBJECTS { pimgJoinPruneInterval, pimgNeighborIfIndex,
pimgNeighborUpTime, pimgNeighborExpiryTime,
pimgInterfaceAddressType, pimgInterfaceAddress,
pimgInterfaceNetMaskLen,
pimgInterfaceDRType, pimgInterfaceDR,
pimgInterfaceHelloInterval,
pimgInterfaceStatus,
pimgInterfaceJoinPruneInterval,
pimgInterfaceCBSRPreference, pimgInterfaceMode,
pimgRPSetHoldTime, pimgRPSetExpiryTime,
pimgComponentBSRAddressType,
pimgComponentBSRAddress,
pimgComponentBSRExpiryTime,
pimgComponentCRPHoldTime, pimgComponentStatus,
pimgInetMRouteFlags,
pimgInetMRouteUpstreamAssertTimer
}
STATUS current
DESCRIPTION
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"A collection of objects to support management of PIM
Sparse
Mode (version 2) routers."
::= { pimgMIBGroups 2 }
pimgDenseV2MIBGroup OBJECT-GROUP
OBJECTS { pimgNeighborIfIndex,
pimgNeighborUpTime, pimgNeighborExpiryTime,
pimgInterfaceAddressType, pimgInterfaceAddress,
pimgInterfaceNetMaskLen,
pimgInterfaceDRType, pimgInterfaceDR,
pimgInterfaceHelloInterval,
pimgInterfaceStatus, pimgInterfaceMode
}
STATUS current
DESCRIPTION
"A collection of objects to support management of
PIM Dense Mode (version 2) routers."
::= { pimgMIBGroups 7 }
pimgV2CandidateRPMIBGroup OBJECT-GROUP
OBJECTS { pimgCandidateRPAddressType,
pimgCandidateRPAddress,
pimgCandidateRPRowStatus
}
STATUS current
DESCRIPTION
"A collection of objects to support configuration
of which groups a router is to advertise itself as
a Candidate-RP."
::= { pimgMIBGroups 3 }
pimgV1MIBGroup OBJECT-GROUP
OBJECTS { pimgJoinPruneInterval, pimgNeighborIfIndex,
pimgNeighborUpTime, pimgNeighborExpiryTime,
pimgNeighborMode,
pimgInterfaceAddressType, pimgInterfaceAddress,
pimgInterfaceNetMaskLen,
pimgInterfaceJoinPruneInterval,
pimgInterfaceStatus,
pimgInterfaceMode,
pimgInterfaceDRType, pimgInterfaceDR,
pimgInterfaceHelloInterval,
pimgRPState, pimgRPStateTimer,
pimgRPLastChange, pimgRPRowStatus
}
STATUS deprecated
DESCRIPTION
"A collection of objects to support management of
PIM (version 1) routers."
::= { pimgMIBGroups 4 }
pimgNextHopGroup OBJECT-GROUP
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OBJECTS { pimgInetMRouteNextHopPruneReason }
STATUS current
DESCRIPTION
"A collection of optional objects to provide per-
next hop information for diagnostic purposes.
Supporting this group may add a large number of
instances to a tree walk, but the information in
this group can be extremely useful in tracking down
multicast connectivity problems."
::= { pimgMIBGroups 5 }
pimgAssertGroup OBJECT-GROUP
OBJECTS { pimgInetMRouteAssertMetric,
pimgInetMRouteAssertMetricPref,
pimgInetMRouteAssertRPTBit }
STATUS current
DESCRIPTION
"A collection of optional objects to provide extra
information about the assert election process.
There is no protocol reason to keep such
information, but some implementations may already
keep this information and make it available. These
objects can also be very useful in debugging
connectivity or duplicate packet problems,
especially if the assert winner does not support
the PIM and Inet Multicast MIBs."
::= { pimgMIBGroups 6 }
END
6. Security Considerations
This MIB contains readable objects whose values provide information
related to multicast routing, including information on the network
topology. There are also a number of objects that have a MAX-ACCESS
clause of read-write and/or read-create, which allow an
administrator to configure PIM in the router.
While unauthorized access to the readable objects is relatively
innocuous, unauthorized access to the write-able objects could cause
a denial of service. Hence, the support for SET operations in a
non-secure environment without proper protection can have a negative
effect on network operations.
SNMPv1 by itself is such an insecure environment. 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 SET (change/create/delete) the objects in this MIB.
It is recommended that the implementers consider the security
features as provided by the SNMPv3 framework. Specifically, the use
of the User-based Security Model RFC 2274 [12] and the View-based
Access Control Model RFC 2275 [15] is recommended.
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It is then a customer/user responsibility to ensure that the SNMP
entity giving access to this MIB, is properly configured to give
access to those objects only to those principals (users) that have
legitimate rights to access them.
7. Intellectual Property Notice
The IETF takes no position regarding the validity or scope of any
intellectual property or other rights that might be claimed to
pertain to the implementation or use of the technology described in
this document or the extent to which any license under such rights
might or might not be available; neither does it represent that it
has made any effort to identify any such rights. Information on the
IETF's procedures with respect to rights in standards-track and
standards-related documentation can be found in BCP-11. Copies of
claims of rights made available for publication and any assurances
of licenses to be made available, or the result of an attempt made
to obtain a general license or permission for the use of such
proprietary rights by implementers or users of this specification
can be obtained from the IETF Secretariat.
The IETF invites any interested party to bring to its attention any
copyrights, patents or patent applications, or other proprietary
rights which may cover technology that may be required to practice
this standard. Please address the information to the IETF Executive
Director.
8. Acknowledgements
This MIB module has been updated based on feedback from the IETF's
Inter-Domain Multicast Routing (IDMR) Working Group.
9. Authors' Addresses
Dave Thaler
Microsoft Corporation
One Microsoft Way
Redmond, WA 98052-6399
Phone: +1 425 703 8835
EMail: dthaler@dthaler.microsoft.com
Andrew Adams
Merit Network, Inc.
4251 Plymouth Rd.
Ann Arbor, MI 48105-2785
Phone: +1 734 763-6378
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draft-thaler-idmr-multiproto-pimmib-1 June, 2000
EMail: ala@merit.edu
William Siadak
Merit Network, Inc.
4251 Plymouth Rd.
Ann Arbor, MI 48105-2785
Phone: +1 734 936 2035
EMail: wfs@merit.edu
10. References
1 Deering, S., Estrin, D., Farinacci, D., Jacobson, V., Liu, G., and
L. Wei, "Protocol Independent Multicast (PIM): Motivation and
Architecture", January 1995.
2 Deering, S., Estrin, D., Farinacci, D., Jacobson, V., Liu, G., and
L. Wei, "Protocol Independent Multicast (PIM): Protocol
Specification", January 1995.
3 Estrin, D., Farinacci, D., Helmy, A., Thaler, D., Deering, S.,
Handley, M., Jacobson, V., Liu, C., Sharma, P., and L. Wei,
"Protocol Independent Multicast - Sparse Mode (PIM-SM): Protocol
Specification", RFC 2362, June 1998.
4 Deering, S., Estrin, D., Farinacci, D., Jacobson, V., Helmy, A.,
and L. Wei, "Protocol Independent Multicast Version 2, Dense Mode
Specification". Work in Progress, May 1997.
5 Haberman, B., Sandick, H., Kump, G., _Protocol Independent
Multicast Routing in the Internet Protocol Version 6_, Internet
Draft, November 1999.
6 McCloghrie, K., Farinacci, D., Thaler D., Fenner, B., _Protocol
Independent Multicast MIB for IPv4_, Internet Draft, January 31,
2000
7 Wijnen, B., Harrington, D., and R. Presuhn, "An Architecture for
Describing SNMP Management Frameworks", RFC 2571, Cabletron
Systems, Inc., BMC Software, Inc., IBM T. J. Watson Research,
April 1999.
8 Rose, M., and K. McCloghrie, "Structure and Identification of
Management Information for TCP/IP-based Internets", RFC 1155, STD
16, Performance Systems International, Hughes LAN Systems, May
1990.
9 Rose, M., and K. McCloghrie, "Concise MIB Definitions", RFC 1212,
STD 16, Performance Systems International, Hughes LAN Systems,
March 1991.
10 M. Rose, "A Convention for Defining Traps for use with the SNMP",
RFC 1215, Performance Systems International, March 1991.
11 McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J., Rose,
M., and S. Waldbusser, "Structure of Management Information
Version 2 (SMIv2)", RFC 2578, STD 58, Cisco Systems, SNMPinfo, TU
Braunschweig, SNMP Research, First Virtual Holdings,
International Network Services, April 1999.
12 McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J., Rose,
M., and S. Waldbusser, "Textual Conventions for SMIv2", RFC 2579,
Thaler,Adams,Siadak Experimental/Expires Dec 2000 26
draft-thaler-idmr-multiproto-pimmib-1 June, 2000
STD 58, Cisco Systems, SNMPinfo, TU Braunschweig, SNMP Research,
First Virtual Holdings, International Network Services, April
1999.
13 McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J., Rose,
M., and S. Waldbusser, "Conformance Statements for SMIv2", RFC
2580, STD 58, Cisco Systems, SNMPinfo, TU Braunschweig, SNMP
Research, First Virtual Holdings, International Network Services,
April 1999.
14 Case, J., Fedor, M., Schoffstall, M., and J. Davin, "Simple
Network Management Protocol", RFC 1157, STD 15, SNMP Research,
Performance Systems International, Performance Systems
International, MIT Laboratory for Computer Science, May 1990.
15 Case, J., McCloghrie, K., Rose, M., and S. Waldbusser,
"Introduction to Community-based SNMPv2", RFC 1901, SNMP
Research, Inc., Cisco Systems, Inc., Dover Beach Consulting,
Inc., International Network Services, January 1996.
16 Case, J., McCloghrie, K., Rose, M., and S. Waldbusser, "Transport
Mappings for Version 2 of the Simple Network Management Protocol
(SNMPv2)", RFC 1906, SNMP Research, Inc., Cisco Systems, Inc.,
Dover Beach Consulting, Inc., International Network Services,
January 1996.
17 Case, J., Harrington D., Presuhn R., and B. Wijnen, "Message
Processing and Dispatching for the Simple Network Management
Protocol (SNMP)", RFC 2572, SNMP Research, Inc., Cabletron
Systems, Inc., BMC Software, Inc., IBM T. J. Watson Research,
April 1999.
18 Blumenthal, U., and B. Wijnen, "User-based Security Model (USM)
for version 3 of the Simple Network Management Protocol
(SNMPv3)", RFC 2574, IBM T. J. Watson Research, April 1999.
19 Case, J., McCloghrie, K., Rose, M., and S. Waldbusser, "Protocol
Operations for Version 2 of the Simple Network Management
Protocol (SNMPv2)", RFC 1905, SNMP Research, Inc., Cisco Systems,
Inc., Dover Beach Consulting, Inc., International Network
Services, January 1996.
20 Levi, D., Meyer, P., and B. Stewart, "SNMPv3 Applications", RFC
2573, SNMP Research, Inc., Secure Computing Corporation, Cisco
Systems, April 1999.
21 Wijnen, B., Presuhn, R., and K. McCloghrie, "View-based Access
Control Model (VACM) for the Simple Network Management Protocol
(SNMP)", RFC 2575, IBM T. J. Watson Research, BMC Software, Inc.,
Cisco Systems, Inc., April 1999.
11. Full Copyright Statement
Copyright (C) The Internet Society (2000). All Rights Reserved.
This document and translations of it may be copied and furnished to
others, and derivative works that comment on or otherwise explain it
or assist in its implementation may be prepared, copied, published
and distributed, in whole or in part, without restriction of any
Thaler,Adams,Siadak Experimental/Expires Dec 2000 27
draft-thaler-idmr-multiproto-pimmib-1 June, 2000
kind, provided that the above copyright notice and this paragraph
are included on all such copies and derivative works. However, this
document itself may not be modified in any way, such as by removing
the copyright notice or references to the Internet Society or other
Internet organizations, except as needed for the purpose of
developing Internet standards in which case the procedures for
copyrights defined in the Internet Standards process must be
followed, or as required to translate it into languages other than
English.
The limited permissions granted above are perpetual and will not be
revoked by the Internet Society or its successors or assigns.
This document and the information contained herein is provided on an
"AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
Table of Contents
1. Abstract.......................................................1
2. Introduction...................................................1
3. The SNMP Network Management Framework..........................2
4. Overview.......................................................3
5. Definitions....................................................3
6. Security Considerations.......................................24
7. Intellectual Property Notice..................................25
8. Acknowledgements..............................................25
9. Authors' Addresses............................................25
10. References...................................................26
11. Full Copyright Statement.....................................27
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