1. Run an IGP protocol on the devices of the backbone network to implement connectivity.
2. Configure the basic MPLS functions on the backbone network and set up an LSP. Set up
the MPLS LDP peer relation between the two PEs on the two ends of the PW.
3. Create an MPLS L2VC connection between the two PEs.
Data Preparation
To complete the configuration, you need the following data:
l Identical L2VC IDs of PEs on the two ends of a PW
l MPLS LSR ID of each PE and P
l Peer address of PE
Procedure
Step 1 Configure interface addresses for CE, PE and P according to Figure 6-12, including VLAN and
VLANIF interfaces.
The configuration procedure is not mentioned.
Step 2 Configure an IGP protocol on the MPLS backbone network.
The OSPF protocol is used in this example.
The configuration procedure is not mentioned.
After the configuration, run the display ip routing-table command. You can see that PE1 and
PE2 can learn the loopback 0 address of each other that is discovered by the OSPF protocol, and
can ping each other.
<PE1> display ip routing-table
Route Flags: R - relied, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations : 12 Routes : 12
Destination/Mask Proto Pre Cost Flags NextHop Interface
10.1.1.0/24 Direct 0 0 D 10.1.1.1 Vlanif20
10.1.1.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
10.1.1.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
10.2.2.0/24 OSPF 10 2 D 10.1.1.2 Vlanif20
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
192.2.2.2/32 Direct 0 0 D 127.0.0.1 InLoopBack0
192.3.3.3/32 OSPF 10 3 D 10.1.1.2 Vlanif20
192.4.4.4/32 OSPF 10 2 D 10.1.1.2 Vlanif20
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
<PE1> ping 192.3.3.3
PING 192.3.3.3: 56 data bytes, press CTRL_C to break
Reply from 192.3.3.3: bytes=56 Sequence=1 ttl=254 time=230 ms
Reply from 192.3.3.3: bytes=56 Sequence=2 ttl=254 time=120 ms
Reply from 192.3.3.3: bytes=56 Sequence=3 ttl=254 time=120 ms
Reply from 192.3.3.3: bytes=56 Sequence=4 ttl=254 time=120 ms
Reply from 192.3.3.3: bytes=56 Sequence=5 ttl=254 time=90 ms
--- 192.3.3.3 ping statistics ---
5 packet(s) transmitted
5 packet(s) received
Quidway S7700 Smart Routing Switch
Configuration Guide - VPN 6 PWE3 Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
590
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