Label-Retention - H3C MSR 20-20 Command Reference Manual

1544 C 95: MPLS B
HAPTER
Example

label-retention

Syntax
View
Parameter
Description
Example
C C
ASICS ONFIGURATION OMMANDS
The default mode is ordered.
n
You must use the reset mpls ldp command to reset LDP sessions for the
configuration to take effect.
# Set the label distribution control mode to independent for the public network
LDP.
<Sysname> system-view
[Sysname] mpls ldp
[Sysname-mpls-ldp] label-distribution independent
# Set the label distribution control mode to independent for LDP instance named
vpn1.
<Sysname> system-view
[Sysname] mpls ldp vpn-instance vpn1
[Sysname-mpls-ldp-vpn-instance-vpn1] label-distribution independent
label-retention { conservative | liberal }
undo label-retention
MPLS LDP view/MPLS LDP VPN instance view
conservative: Works in conservative mode, keeping only label to FEC bindings
that are from its next hops for the FECs
liberal: Works in liberal mode, keeping any received label to FEC binding
regardless of whether the binding is from its next hop for the FEC or not.
Use the label-retention
Use the
undo label-retention
The default label retention mode is liberal.
n
You must use the reset mpls ldp command to reset LDP sessions for the
configuration to take effect.
# Set the label retention mode to conservative for the public network LDP.
<Sysname> system-view
[Sysname] mpls ldp
[Sysname-mpls-ldp] label-retention conservative
# Set the label retention mode to conservative for LDP instance named vpn1.
<Sysname> system-view
[Sysname] mpls ldp vpn-instance vpn1
[Sysname-mpls-ldp-vpn-instance-vpn1] label-retention conservative
command to configure the label retention mode.
command to restore the default.