Configuring a Mode for BIER-MPLS to Process and Adjust TTLs

This section describes how to configure a mode for BIER-MPLS to process TTLs and adjust the TTL value.

Context

The header of each BIER tunnel packet has a 4-byte MPLS label. You can configure BIER-MPLS to process TTLs in pipe mode and adjust the TTL value in pipe mode on the ingress of a BIER tunnel as required.

Procedure

Run system-view
The system view is displayed.
Run bier
The BIER view is displayed.
Run sub-domain sub-domain-val
The BIER sub-domain view is displayed.
Run bier pipe-mode ttl ttl-value
BIER-MPLS is configured to process TTLs in pipe mode, and the TTL value in pipe mode is adjusted.
Run commit
The configuration is committed.