3Com MSR 30, MSR 50 manual Ttl propagate

1564 CHAPTER 95: MPLS BASICS CONFIGURATION COMMANDS

Related command: ttl propagate.

Example # Specify that the ICMP response be transported back along the LSP when the TTL of an MPLS packet expires

<Sysname> system-view [Sysname] mpls

[Sysname-mpls] undo ttl expiration pop

ttl propagate

Syntax	ttl propagate { public vpn }
	undo ttl propagate { public vpn }
View	MPLS view
Parameter	public: Enables MPLS IP TTL propagation for public network packets.
	vpn: Enables MPLS IP TTL propagation for VPN packets.
Description	Use the ttl propagate command to enable MPLS IP TTL propagation for either
	public network packets or VPN packets.
	Use the undo ttl propagate command to disable the function.
	By default, MPLS IP TTL propagation is enabled for only public network packets.
Related command:	ttl expiration.
Example	# Enable MPLS IP TTL propagation for VPN packets.
	<Sysname> system-view
	[Sysname] mpls
	[Sysname-mpls] ttl propagate vpn