Manual

Layer 2 Tunnel Protocol Version 3
ip ttl
107
Cisco IOS Releases 12.0(29)S and 12.2(25)S
ip ttl
To configure the time-to-live (TTL) byte in the IP headers of Layer 2 Tunnel Protocol Version 3
(L2TPv3) tunneled packets, use the ip ttl command in pseudowire class configuration mode. To remove
the configured TTL value, use the no form of this command.
ip ttl value
no ip ttl value
Syntax Description
Defaults The default value of the TTL byte is 255.
Command Modes Pseudowire class configuration
Command History
Usage Guidelines Use this command to set the Don’t Fragment (DF) bit on if, for performance reasons, you do not want
tunneled packet reassembly to be performed on the router.
Examples The following example shows how to set the TTL byte to 100 in the IP header of L2TPv3 tunneled
packets in pseudowires created from the pseudowire class named ether-pw:
Router(config)# pseudowire-class ether-pw
Router(config-pw)# ip ttl 100
Related Commands
value Value of the TTL byte in the IP headers of L2TPv3 tunneled packets. The
valid values range from 1 to 255. The default value is 255.
Release Modification
12.0(23)S This command was introduced.
12.2(25)S This command was integrated into Cisco IOS Release 12.2(25)S.
Command Description
pseudowire-class Specifies the name of an L2TP pseudowire class and enters pseudowire
class configuration mode.