Vyatta NOS documentation

Learn how to install, configure, and operate Vyatta Network Operating System (Vyatta NOS), which helps to drive our virtual networking and physical platforms portfolio.

Configuring MPLS fast reroute using one-to-one backup

To enable FRR with one-to-one backup, complete the following steps:

  1. Configure fast-reroute on the primary session for a tunnel named "sf_to_sj":
    vyatta@vm1# set protocols mpls-rsvp tunnels tunnel sf_to_sj primary fast-reroute 
  2. In order to use RSVP hello messages to detect link failures and trigger a switch over to the backup session, configure the neighbors to exchange hello messages and enable hello message receipt on the interfaces:
    vyatta@vm1# set protocols mpls-rsvp neighbors neighbor 10.10.100.2
    vyatta@vm1# set protocols mpls-rsvp interfaces interface dp0p1s1 signaling hello receipt 
    

Optionally, you can configure the hello transmission interval and timeout (signaling hello interval | timeout).

vyatta@vm1# set protocols mpls-rsvp interfaces interface dp0p1s1 signaling hello interval 100

vyatta@vm1# set protocols mpls-rsvp interfaces interface dp0p1s1 signaling hello timeout 300