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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 ...
The link-state ID of the type 1 LSA is the originating router ID. Router-LSAs, describe the following types of interfaces: Point-to-point connection to another router; Connection to a transit network; Connection to a stub network (Reserved in v3) Virtual link; 2 Network-LSAs The DR Originated for broadcasts and NBMA networks by the designated ...
This is a list of the IP protocol numbers found in the field Protocol of the IPv4 header and the Next Header field of the IPv6 header. It is an identifier for the encapsulated protocol and determines the layout of the data that immediately follows the header. Both fields are eight bits wide.
The PE router may be configured to associate all routes leading to the same CE router with the same route distinguisher, or it may be configured to associate different routes with different route distinguishers, even if they lead to the same CE router. The route distinguisher has only one purpose: to make IPv4 prefixes globally unique.
Originated by all routers. The link-state ID of the type 1 LSA is the originating router ID. 2 Network-LSAs Designated router (DR) area-local Originated for broadcasts and NBMA networks by the Designated Router. This LSA contains the list of routers connected to the network.The link-state ID of the type 2 LSA is the IP interface address of the DR.
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A provider edge router (PE router) is a router between one network service provider's area and areas administered by other network providers. [1] 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:
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