P GigabitEthernet1/0/0 VLANIF 20 168.1.1.2/24
GigabitEthernet2/0/0 VLANIF 30 169.1.1.1/24
Loopback1 - 2.2.2.9/32
CE1 GigabitEthernet1/0/0 VLANIF 10 10.1.1.1/24
CE2 GigabitEthernet1/0/0 VLANIF 20 10.1.1.2/24
Configuration Roadmap
The configuration roadmap is as follows:
1. Configure the routing protocol on the backbone network to implement interworking.
2. Set up a remote LDP session between the PEs.
3. Set up a tunnel between the PEs to transmit user data.
4. Enable MPLS L2VPN on the PEs.
5. Create VSIs on PEs, specify LDP as the signaling protocol, and bind the VSI to related AC
interfaces.
6. Configure VLAN mapping of a single tag on the sub-interface of the PE1 interface
connected to CE1 and connect the sub-interface to the VPLS network.
7. Configure a dot1q sub-interface on the PE2 interface connected to CE2 and connect the
dot1q sub-interface to the VPLS network.
Data Preparation
To complete the configuration, you need the following data:
l VSI name and VSI ID
l IP addresses of peers and tunnel policy used for setting up the peer relationship
l Interfaces to which the VSI is bound
l VLAN IDs used in VLAN mapping
l Encapsulation mode of the sub-interfaces and VLANs that the sub-interfaces belong to
Procedure
Step 1 Configure the VLANs that the interfaces belong to according to Figure 5-13.
The configuration procedure is not mentioned.
NOTE
l The AC-side physical interface and PW-side physical interface of a PE cannot be added to the same
VLAN; otherwise, a loop occurs.
l After the configuration, the packets sent from a CE to a switch should contain a VLAN tag.
Step 2 Configure the IGP protocol. OSPF is used in this example.
When configuring OSPF, advertise the 32-bit loopback interface addresses (LSR IDs) of PE1,
P, and PE2.
The configuration details are not mentioned here.
Quidway S7700 Smart Routing Switch
Configuration Guide - Ethernet 5 QinQ Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
281
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