Technical Documentation

Configuring Link Protection or Node-Link Protection on the LSP

You enable the level of LSP protection you want on the ingress router. Link protection redirects LSP traffic to a bypass LSP that can traverse the same router that contains the affected link, whereas node-link protection sends LSP traffic to a bypass LSP that circumvents the affected router. To enable link protection for an LSP or point-to-multipoint LSP, include the link-protection statement at the [edit protocols mpls label-switched-path lsp-name ] hierarchy level. To enable node-link protection for an LSP, include the node-link-protection statement at the [edit protocols mpls label-switched-path lsp-name] hierarchy level.

[edit]protocols {mpls {label-switched-path lsp-name {( link-protection | node-link-protection );}}}

After link protection or node-link protection is established, the LSP marks the desired link protection bit in the RSVP Session Attribute (SA) object. To disable link protection or node-link protection for an LSP, delete the link-protection or node-link-protection statements at the [edit protocols mpls label-switched-path lsp-name] hierarchy level. For more information about point-to-multipoint LSPs, see the JUNOS MPLS Applications Configuration Guide.


Published: 2010-04-15