Specifications

mpls ldp session protection
MP-265
Cisco IOS Multiprotocol Label Switching Command Reference
January 2010
mpls ldp session protection
To enable Multiprotocol Label Switching (MPLS) Label Distribution Protocol (LDP) autoconfiguration
for existing LDP sessions or when new sessions are established, use the mpls ldp session protection
command in global configuration mode. To disable this feature, use the no form of this command.
mpls ldp session protection [vr
f vpn-name] [for acl] [duration {infinite | seconds}]
no mpls ldp session protection [vr
f vpn-name] [for acl] [duration {infinite | seconds}]
Syntax Description
Defaults LDP sessions are not established.
Command Modes Global configuration
Command History
Usage Guidelines This command is not supported under the following circumstances:
• With TDP sessions
• With extended access lists
• With LC-ATM routers
vrf vp
n-name (Optional) Specifies a VPN routing and forwarding instance (vpn-name) for
accepting labels. This keyword is available when the router has at least one
VRF configured.
for ac
l (Optional) Specifies a standard IP access control list that contains the prefixes
that are to be protected.
duration (Optional) Specifies the time that the LDP Targeted Hello Adjacency should
b
e retained after a link is lost.
Note If you use this keyword, you must select either the infinite keyword
or the seconds argument.
infinite Specifies that the LDP Targeted Hello Adjacency should be retained forever
a
fter a link is lost.
seconds Specifies the time in seconds that the LDP Targeted Hello Adjacency should
b
e retained after a link is lost. The valid range of values is 30 to
2,147,483 seconds.
Release Modification
12.0(30)S This command was introduced.
12.3(14)T This command was integrated into Cisco IOS Release 12.3(14)T.
12.2(28)SB This command was integrated into Cisco IOS Release 12.2(28)SB.
12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.
12.2(33)SXH This command was integrated into Cisco IOS Release 12.2(33)SXH.