advertise-mode (MPLS)
Syntax
advertise-mode (stub-alias | stub-proxy);
Hierarchy Level
[edit logical-systems logical-system-name protocols mpls egress-protection context-identifier context-id], [edit logical-systems logical-system-name protocols mpls label-switched-path lsp-name egress-protection context-identifier context-id], [edit protocols mpls egress-protection context-identifier context-id], [edit protocols mpls label-switched-path lsp-name egress-protection context-identifier context-id]
Description
Configure the method for the interior gateway protocol (IGP) to advertise egress protection availability.
Egress protection availability is advertised in the IGP. Label protocols along with CSPF use this information to do egress protection.
Options
| stub-alias | Context identifier has an alias. In the alias method, the LSP end-point address has an explicit backup egress node where the backup node can be learned or configured on the penultimate hop node (PHN) of a protected LSP. With this model, the PHN of a protected LSP sets up the bypass LSP tunnel to back up the egress node by avoiding the primary egress node. This model requires a Junos OS upgrade in core nodes, but is flexible enough to support all traffic engineering constraints. |
| stub-proxy | Context-identifier has a stub proxy node. A stub node is one that only appears at the end of an AS path, which means it does not provide transit service. In this mode, known as the virtual or proxy mode, the LSP end-point address is represented as a node with bidirectional links, with the LSP's primary egress node and backup egress node. With this representation, the penultimate hop of the LSP primary egress point can behave like a PLR in setting up a bypass tunnel to back up the egress by avoiding the primary egress node. This model has the advantage that you do not need to upgrade Junos OS on core nodes and thereby helps operators to deploy this technology. |
Required Privilege Level
routing—To view this statement in the configuration.
routing-control—To add this statement to the configuration.
Release Information
Statement introduced in Junos OS Release 13.3.