Cisco XR 12000 Series User Manual

pw-status (L2VPN)
To enable status signaling on a pseudowire, use the pw-status command in L2VPN configuration submode.
To disable the pseudowire status signaling, use the no form of this command.
pw-status
no pw-status
Syntax Description
This command has no keywords or arguments.
Command Default
None
Command Modes
L2VPN configuration submode
Command History
ModificationRelease
This command was introduced.Release 4.1.1
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task
IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator
for assistance.
Cisco IOS XR software provides two methods for signaling pseudowires (PW) status:
•
Using Label Withdraw Message
The provider edge routers (PEs) send Label Mapping Message to their peers as soon as the pseudowire
is configured and administratively enabled. The pseudowire label should not be withdrawn unless the
pseudowire is administratively disabled or deleted.
•
Using PW status TLV
The PEs use LDP pseudowire status TLV to indicate pseudowire status to their peers. The LDP pseudowire
status TLV contains additional information compared to the Label Withdraw Message.
Unless pseudowire status TLV is explicitly enabled under L2VPN configuration, the default signaling
method is Label Withdrawal.
Note
Task ID
OperationsTask ID
read, writel2vpn
Cisco IOS XR Virtual Private Network Command Reference for the Cisco XR 12000 Series Router, Release 4.3.x
OL-28460-01 191
Virtual Private LAN Services Commands
pw-status (L2VPN)

Cisco XR 12000 Series Specifications

General

Brand	Cisco
Model	XR 12000 Series
Category	Network Router
Language	English