Configuring Route Reflection For Bgp Ipv4 Vpn Routes; Checking The Configuration - Huawei quidway s7700 Configuration Manual

Quidway S7700 Smart Routing Switch
Configuration Guide - VPN

3.14.4 Configuring Route Reflection for BGP IPv4 VPN routes

The premise of enabling BGP VPNv4 route reflection is that the RR has established the MP-
IBGP connections with all its clients (PEs).
Context
Do as follows on the RR:
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
bgp as-number
The BGP view is displayed.
Step 3 Run:
ipv4-family vpnv4
The BGP VPNv4 address family view is displayed.
Step 4 Enable route reflection for BGP VPNv4 routes on the RR.
l Run the peer group-name reflect-client command to enable route reflection if the RR
l Run the peer ipv4-address reflect-client command repeatedly to enable route reflection if
Step 5 Run:
undo policy vpn-target
The filtering of VPNv4 routes based on the VPN target is disabled.
Step 6 (Optional) Run:
rr-filter extcomm-filter-number
The reflection policy is configured for the RR.
----End

3.14.5 Checking the Configuration

After configuring an RR to optimize the VPN backbone layer, you can view BGP VPNv4 peer
information and VPNv4 routing information on the RR or its clients (PEs).
Prerequisite
The configurations of the reflection to optimize the VPN backbone layer function are complete.
Issue 01 (2011-07-15)
establishes the MP IBGP connection with the peer group consisting of client PEs.
the RR establishes the MP IBGP connection with each PE rather than peer group.
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