PE router

PE router

The PE router, where "PE" stands for provider edge, is a router between one network service provider's area and areas administered by other network providers. A network provider is usually an Internet Service Provider as well (or only that).

The term "PE router" covers equipment capable of a broad range of routing protocols, notably:
*Border Gateway Protocol (BGP)
*Open Shortest Path First (OSPF)
*Multi-Protocol Label Switching (MPLS)

PE routers need not be aware of what kind of traffic is coming from the provider's network. However, some PE routers also do labeling.


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