Cisco Cisco IOS Software Release 12.2(14)S
C i s c o C o n f i d e n t i a l — A v a i l a b l e t o A u t h o r i z e d C u s t o m e r s U n d e r N o n d i s c l o s u r e
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Cisco IOS Release 12.2(11)S
MPLS Label Distribution Protocol (LDP)
Feature History
This document describes the use of the MPLS Label Distribution Protocol (LDP), which enables peer
label switch routers (LSRs) in an MPLS network to exchange label binding information for supporting
hop-by-hop forwarding along normally routed paths. The document includes the following sections:
label switch routers (LSRs) in an MPLS network to exchange label binding information for supporting
hop-by-hop forwarding along normally routed paths. The document includes the following sections:
Release
Modification
12.0(10)ST
This feature was introduced in Cisco IOS Release 12.0(10)ST,
incorporating a new set of multiprotocol label switching (MPLS) CLI
commands implemented for use with Cisco routers and switches. The CLI
commands in this release reflected standard MPLS IETF command syntax
and terminology, thus facilitating the orderly transition from a network
using the Tag Distribution Protocol (TDP) to one using the Label
Distribution Protocol (LDP). With respect to TDP, the MPLS CLI
commands associated with this release were of three types: a) new CLI
commands altogether for support of new MPLS/LDP functionality; b)
functionally equivalent, but syntactically different, MPLS/LDP commands;
and c) functionally and syntactically equivalent MPLS/LDP commands.
incorporating a new set of multiprotocol label switching (MPLS) CLI
commands implemented for use with Cisco routers and switches. The CLI
commands in this release reflected standard MPLS IETF command syntax
and terminology, thus facilitating the orderly transition from a network
using the Tag Distribution Protocol (TDP) to one using the Label
Distribution Protocol (LDP). With respect to TDP, the MPLS CLI
commands associated with this release were of three types: a) new CLI
commands altogether for support of new MPLS/LDP functionality; b)
functionally equivalent, but syntactically different, MPLS/LDP commands;
and c) functionally and syntactically equivalent MPLS/LDP commands.
12.0(14)ST
This feature was integrated into Cisco IOS Release 12.0(14)ST. This
release introduced several new MPLS CLI commands, provided support for
MPLS VPNs by means of a new vrf vpn-name parameter in certain existing
commands, and modified other commands to ensure consistent
interpretation of associated prefix-access-list arguments by Cisco IOS.
release introduced several new MPLS CLI commands, provided support for
MPLS VPNs by means of a new vrf vpn-name parameter in certain existing
commands, and modified other commands to ensure consistent
interpretation of associated prefix-access-list arguments by Cisco IOS.
12.1(2)T
This feature was integrated into Cisco IOS 12.2(2)T. Also, the debug mpls
atm-ldp api, debug mpls atm-ldp routes, and debug mpls atm-ldp states
commands were modified.
atm-ldp api, debug mpls atm-ldp routes, and debug mpls atm-ldp states
commands were modified.
12.1(8a)E
This feature was integrated into Cisco IOS Release 12.1(8a)E.
12.2(2)T
This feature was integrated into Cisco IOS Release 12.2(2)T.
12.2(4)T
This feature was integrated into Cisco IOS Release 12.2(4)T. Also, support
was added for Cisco MGX 8850 and MGX 8950 switches equipped with a
Cisco MGX RPM-PR card, and the VPI range in the show mpls atm-ldp
bindings and show mpls ip binding commands was changed to 4095.
was added for Cisco MGX 8850 and MGX 8950 switches equipped with a
Cisco MGX RPM-PR card, and the VPI range in the show mpls atm-ldp
bindings and show mpls ip binding commands was changed to 4095.
12.0(21)ST
This feature was integrated into Cisco IOS Release 12.0(21)ST. This
release introduced the implicit-withdraw keyword for the mpls ldp
neighbor command. Also, support was added for the Cisco 10720 Internet
router.
release introduced the implicit-withdraw keyword for the mpls ldp
neighbor command. Also, support was added for the Cisco 10720 Internet
router.
12.2(11)S
This feature was integrated into Cisco IOS Release 12.2(11)S.