Manual

Layer 2 Tunnel Protocol Version 3
hello
95
Cisco IOS Releases 12.0(29)S and 12.2(25)S
hello
To configure the interval used to exchange hello keepalive packets in a Layer 2 Tunnel Protocol Version
3 (L2TPv3) control channel, use the hello command in L2TP class configuration mode. To disable the
sending of hello keepalive packets, use the no form of this command.
hello interval
no hello interval
Syntax Description
Defaults 60 seconds
Command Modes L2TP class configuration
Command History
Usage Guidelines You can configure different values with the hello command on the PE router at each end of an L2TPv3
control channel.
Examples The following example sets an interval of 120 seconds between the sending of hello keepalive messages
in L2TPv3 pseudowires configured using the L2TP class configuration named l2tp class1:
Router(config)# l2tp-class l2tp-class1
Router(config-l2tp-class)# hello 120
Related Commands
interval Number of seconds a provider edge (PE) router at one end of an L2TPv3
control channel waits before sending a hello keepalive packet to its peer PE
router. The valid values range from 0 to 1000 seconds. The default value is
60 seconds.
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
l2tp-class Creates a template of L2TP control plane configuration settings that can be
inherited by different pseudowire classes and enters L2TP class
configuration mode.