Configuring a Tunnel Protection Group
A configured protection tunnel can be bound to a working tunnel to form a tunnel protection group. If the working tunnel fails, traffic switches to the protection tunnel. The tunnel protection group helps improve tunnel reliability.
Pre-configuration Tasks
Create a working tunnel. For details, see Configuring a Static MPLS TE Tunnel or Configuring a Dynamic MPLS TE Tunnel.
Create a protection tunnel. For details, see Configuring a Static MPLS TE Tunnel or Configuring a Dynamic MPLS TE Tunnel.
A TE tunnel protection group enhances reliability of the primary tunnel through planning. Before configuring a TE tunnel protection group, plan the network. To ensure better performance of the protection tunnel, the protection tunnel must detour the links and nodes through which the primary tunnel passes.
Perform the operation of Configuring Static BFD for CR-LSPs or Configuring Dynamic BFD for CR-LSPs to implement fast switching at the millisecond level.