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Hierarchy Level

Release Information

Statement introduced in Junos OS Release 14.1.


Define a list of loop-back IP addresses of the adjacent nodes to either prefer or exclude in the backup path selection. The node can be a local (adjacent router) node, remote node, or any other router in the backup path.


The nodes are identified through the TE-router-ID TLV advertised by a node in the LSP.


exclude [ node-address ] Specify the list of nodes to be excluded. The backup path that has a router from the list is not selected as the loop-free alternative or backup next hop.
node-address Name of one or more nodes to be excluded during backup path selection.
preference [ node-address ] Define an ordered set of nodes to be preferred. The backup path having the leftmost node is selected.
node-address Name of one or more nodes to be preferred in the backup path selection.

Required Privilege Level

routing—To view this statement in the configuration.

routing-control—To add this statement to the configuration.