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Configuration Guide - MPLS

S7700 and S9700 V200R013C00

This document describes the configurations of MPLS, including Static LSP, MPLS LDP, MPLS QoS, MPLS TE, MPLS OAM, Seamless MPLS.
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Configuring Inter-AS Seamless MPLS

Configuring Inter-AS Seamless MPLS

In the inter-AS seamless MPLS networking, the access and aggregation layers belong to one AS, and the core layer belong to another AS. An inter-AS BGP LSP is established across the three layers to implement E2E service connectivity.

Pre-configuration Tasks

Before configuring inter-AS seamless MPLS, complete the following tasks:

  • Configure IGP protocols to implement connectivity at the access, aggregation, and core layers and enable MPLS LDP to implement the MPLS forwarding on a public network.

  • Configure an EBGP peer relationship between each pair of an AGG ASBR and core ASBR and an IBGP peer relationship between each pair of the following nodes:
    • CSG and AGG
    • AGG and AGG ASBR
    • Core ASBR and MASG

Configuration Procedure

To configure inter-AS seamless MPLS, perform the following operations in sequence.

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Updated: 2019-04-08

Document ID: EDOC1100065745

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