Identifier (Vpls Multihoming For Fec 129) - Juniper EX9200 Features Manual

identifier (VPLS Multihoming for FEC 129)

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identifier identifier;
[edit logical-systems logical-system-name routing-instances instance-name protocols vpls
multi-homing site site-name],
[edit routing-instances instance-name protocols vpls multi-homing site site-name]
Statement introduced in Junos OS Release 12.3.
Configure a Layer 2 VPN or VPLS multihoming identifier (MHID). An identifier needs to
be configured for each multihomed site. Multihoming site identifiers are specific to a
VPLS domain. They need not be unique on a provider edge (PE) router when multiple
VPLS instances are present. The network layer reachability information (NLRI)
advertisements sent to a CE device are identified as candidates for designated forwarder
selection because the advertisements have the same multihoming identifier. Thus, you
should assign the same identifier on all VPLS PE routers that are multihomed to the same
customer site.
NOTE: The route distinguisher must be unique among PE routers participating
in a multihomed site, so that the RD:MHID combination is unique across
multiple VPLS domains. For example, one PE router might have a route
distinguisher of 192.0.2.4:1, and another PE router in the same site might have
a route distinguisher of 192.0.2.:1. The first number can be, for example, the
loopback interface address that identifies the PE router. The second number
is the multihoming identifier.
NOTE: In the VPLS documentation, the word router in terms such as PE router
is used to refer to any device that provides routing functions.
identifier —Number that identifies the multihomed site.
Range: 1 through 65535
routing—To view this statement in the configuration.
routing-control—To add this statement to the configuration.
Example: Configuring VPLS Multihoming (FEC 129)
Chapter 13: Configuration Statements
127