Generic Iflist ID: 1
Internal_label: 24022
Remote Label: 25022
Control Word Enabled: Yes
Pseudowire Type: 5
Next Hop Tunnel IFH: 0xfc20
Associated Commands
• adjacency-sid
• index
• prefix-sid
• router isis
• segment-routing
The applicable segment routing commands are described in the Segment Routing Command Reference for
Cisco ASR 9000 Series Routers
Related Topics
• Overview of Segment Routing , on page 665
• How Segment Routing Works , on page 666
• Segment Routing Global Block , on page 667
L2VPN VPLS or VPWS Preferred Path over SR-TE Policy
L2VPN VPLS or VPWS Preferred Path over SR-TE Policy feature allows you to set the preferred path between
the two end-points for L2VPN Virtual Private LAN Service (VPLS) or Virtual Private Wire Service (VPWS)
using SR-TE policy.
This feature is supported on bundle attachment circuit (AC), physical AC, and PWHE AC.
Restrictions
• Only ISIS protocol is supported.
• When an SR policy is configured as the preferred path for a VPLS circuit, the traffic traverses through
the SR policy path.
The PW counters are updated with statistics about packets transmitted and received.
When the SR policy configuration is deleted, the traffic session is still functional because the traffic
transmission switches back to the normal LSP path between the PEs. There is no drop in the end-to-end
traffic transmitted.
However, the packet statistics counters are reset and start from zero.
This is because, when the SR policy is deleted, the PW too gets deleted and the statistics information
associated with the old PW is cleared. The counter restarts from zero when the new PW is created after
the switch takes place.
L2VPN and Ethernet Services Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release 6.3.x
634
L2VPN Services over Segment Routing for Traffic Engineering Policy
Associated Commands
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