Provider router

MPLS VPN network diagram with wikilinks

In Multiprotocol Label Switching (MPLS), a P router or provider router is a label switch router (LSR) that functions as a transit router of the core network.[1] The P router is typically connected to one or more PE routers.

Here's one scenario: A customer who has facilities in LA and Atlanta wants to connect these sites over an MPLS VPN provided by AT&T. To do this, the customer would purchase a link from the on-site CE router to the PE router in AT&T's central office in LA and would also do the same thing in Atlanta. The PE routers would connect over AT&T's backbone routers (P routers) to enable the two CE routers in LA and Atlanta to communicate over the MPLS network.

See also

References

  1. ^ "BGP/MPLS IP Virtual Private Networks (VPNs)". IETF Tools. IETF. Retrieved 2019-11-13.

Further reading


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