Specifications

mpls ldp password fallback
MP-251
Cisco IOS Multiprotocol Label Switching Command Reference
January 2010
mpls ldp password fallback
To configure a message digest algorithm 5 (MD5) password for Label Distribution Protocol (LDP)
sessions with peers, use the mpls ldp password fallback command in global configuration mode. To
remove the MD5 password, use the no form of this command.
mpls ldp [vr
f vrf-name] password fallback {key-chain keychain-name | [0 | 7] password}
no mpls ldp [vr
f vrf-name] password fallback
Syntax Description
Defaults The MD5 password for LDP is disabled.
Command Modes Global configuration
Command History
Usage Guidelines This command specifies the default password for the VRF routing table. The VRF routing table name is
sp
ecified by the vrf-name argument when you configure the vrf keyword for the command. If you do not
include the vrf keyword in the command, the command specifies the default password for the global
routing table. The password configured by this command is the password used for sessions between
peers, if neither of the following commands applies: the mpls ldp neighbor password command or the
mpls ldp password option command.
If you configure a type 7 (encrypted) password, the password is saved in encrypted form.
If you configure a type 0 (clear-text) password, it can be saved in clear-text form or encrypted form,
de
pending on the status of the service password-encryption command:
vrf vr
f-name (Optional) Specifies a Virtual Private Network (VPN) routing and
forwarding (VRF) instance configured on the label switch router (LSR).
key-chain
ke
ychain-name
(Optional) Specifies the name of the key chain used to specify the MD5 key
that authenticates the exchange of bidirectional LDP traffic.
0 | 7 (Optional) Specifies whether the pa
ssword that follows is encrypted:
• 0 specifies an unencrypted password.
• 7 specifies an encrypted password.
password Specifies the MD5 password to be used for the LDP sessions with peers
w
hose connections are established through a named VRF or the global
routing table.
Release Modification
12.2(28)SB This command was introduced.
12.0(32)SY This command was integrated into Cisco IOS Release 12.0(32)SY.
12.0(33)S The ke
y-chain keychian-name keyword-argument pair argument was added.
12.2(33)SRC This command was integrated in Cisco IOS Release 12.2(33)SRC.
12.4(20)T This command was integrated into Cisco IOS Release 12.4(20)T.