Take the display on PE1 and CE1 as an example:
[PE1] ping -vpn-instance vpna 10.1.1.1
PING 10.1.1.1: 56 data bytes, press CTRL_C to break
Reply from 10.1.1.1: bytes=56 Sequence=1 ttl=255 time=5 ms
Reply from 10.1.1.1: bytes=56 Sequence=2 ttl=255 time=3 ms
Reply from 10.1.1.1: bytes=56 Sequence=3 ttl=255 time=3 ms
Reply from 10.1.1.1: bytes=56 Sequence=4 ttl=255 time=3 ms
Reply from 10.1.1.1: bytes=56 Sequence=5 ttl=255 time=16 ms
--- 10.1.1.1 ping statistics ---
5 packet(s) transmitted
5 packet(s) received
0.00% packet loss
round-trip min/avg/max = 3/6/16 ms
Step 3 Configure BGP to import the direct route to the VPN instance routing table.
# Configure PE1
[PE1] bgp 100
[PE1-bgp] ipv4-family vpn-instance vpna
[PE1-bgp-vpna] import-route direct
[PE1-bgp] ipv4-family vpn-instance vpnb
[PE1-bgp-vpnb] import-route direct
Step 4 Enable the routing protocol on the CEs.
# Configure CE1.
[CE1] ip route-static 10.2.1.0 24 10.1.1.2
# Configure CE2.
[CE2] ip route-static 10.1.1.0 24 10.2.1.2
Step 5 Verify the configuration.
After the configuration, CE1 and CE2, which are connected to PE1 but belong to different VPNs,
can communicate with each other.
[PE1] display ip routing-table vpn-instance vpna
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: vpna
Destinations : 6 Routes : 6
Destination/Mask Proto Pre Cost Flags NextHop Interface
10.1.1.0/24 Direct 0 0 D 10.1.1.1 Vlanif10
10.1.1.2/32 Direct 0 0 D 127.0.0.1 InLoopBack0
10.1.1.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
10.2.1.0/24 BGP 255 0 D 10.2.1.1 Vlanif20
10.2.1.2/32 BGP 255 0 D 127.0.0.1 InLoopBack0
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
[CE1] ping 10.2.1.1
PING 10.2.1.1: 56 data bytes, press CTRL_C to break
Reply from 10.2.1.1: bytes=56 Sequence=1 ttl=253 time=72 ms
Reply from 10.2.1.1: bytes=56 Sequence=2 ttl=253 time=34 ms
Reply from 10.2.1.1: bytes=56 Sequence=3 ttl=253 time=50 ms
Reply from 10.2.1.1: bytes=56 Sequence=4 ttl=253 time=50 ms
Reply from 10.2.1.1: bytes=56 Sequence=5 ttl=253 time=34 ms
--- 10.2.1.1 ping statistics ---
5 packet(s) transmitted
5 packet(s) received
0.00% packet loss
round-trip min/avg/max = 34/48/72 ms
----End
Quidway S7700 Smart Routing Switch
Configuration Guide - VPN 3 BGP MPLS IP VPN Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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