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(Optional) Configuring Forcible Switchover
Context
If a backup CR-LSP has been established and a primary CR-LSP needs to be adjusted, configure the forcible switchover function to switch traffic from the primary CR-LSP to the backup CR-LSP. After adjusting the primary CR-LSP, switch traffic back to the primary CR-LSP. This process prevents traffic loss during the primary CR-LSP adjustment.
Perform the following configurations on the ingress node of an MPLS TE tunnel.
Procedure
- Before adjusting a primary CR-LSP, perform the following
configurations.
- Run hotstandby-switch force
Traffic is switched to a backup CR-LSP.
To prevent traffic loss, check that a backup CR-LSP has been established before running the hotstandby-switch force command.
- Run hotstandby-switch force
- After adjusting the primary CR-LSP, perform the following
configurations.
