3Com MSR 30, MSR 50 manual Label-retention conservative liberal, Undo label-retention

1544 CHAPTER 95: MPLS BASICS CONFIGURATION COMMANDS

The default mode is ordered.

n You must use the reset mpls ldp command to reset LDP sessions for the configuration to take effect.

Example # 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

Syntax	label-retention { conservative liberal }
	undo label-retention
View	MPLS LDP view/MPLS LDP VPN instance view
Parameter	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.
Description	Use the label-retentioncommand to configure the label retention mode.
	Use the undo label-retentioncommand to restore the default.
	The default label retention mode is liberal.
	You must use the reset mpls ldp command to reset LDP sessions for the
n configuration to take effect.
Example	# 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