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Configuration Guide - VPN

S7700 and S9700 V200R013C00

This document describes the configurations of VPN, including GRE, IPSec, BGP/MPLS IP VPN, BGP/MPLS IPv6 VPN, VLL, PWE3, VPLS, L2VPN Access to L3VPN.
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Configuring BGP GR for MP-BGP

Configuring BGP GR for MP-BGP


When MP-BGP restarts, the VPNv6 peer relationship is re-established and traffic forwarding is interrupted. After BGP GR is enabled, traffic interruption can be avoided. Configure BGP GR for MP-BGP on all the PEs (including the PE that serves as the ASBR) and the RRs that reflect the VPNv4 route, unless BGP GR has been configured for MP-BGP when BGP GR is configured between PEs and CEs.


Updated: 2019-04-08

Document ID: EDOC1100065751

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