Usage Scenario
A static bidirectional co-routed CR-LSP is manually established and consists of two CR-LSPs passing through the same nodes and links and transmitting traffic in opposite directions. You have to configure MPLS forwarding entries in both directions on each node of a path over which the bidirectional CR-LSP is to be established and bind the two CR-LSPs in opposite directions together on both the ingress and egress.
The
bidirectional static-cr-lsp command can be used to create a static bidirectional co-routed LSP and display the static bidirectional LSP view. LSP data, such as the incoming label, outbound interface, and next-hop IP address, can be configured in this view. An ingress is a node where a CR-LSP originates from and its reverse CR-LSP terminates at; an egress is a node where a CR-LSP terminates at and its reverse CR-LSP originates from.
Configuration Impact
If the undo bidirectional static-cr-lsp command is run, all configurations of the static bidirectional co-routed LSP will be deleted.
Precautions
The tunnel name specified in the bidirectional static-cr-lsp ingress tunnel-name command must be the name of an established tunnel.