Example For Connecting A Sub-Interface Enabled With Vlan Stacking To A Vpls Network - Huawei Quidway S7700 Configuration Manual - Ethernet

Quidway S7700 Smart Routing Switch
Configuration Guide - Ethernet
5.12.15 Example for Connecting a Sub-interface Enabled with
VLAN Stacking to a VPLS Network
Networking Requirements
As shown in
through PE1, and CE2 is connected to Switch2 through PE2. CE1 and CE2 belong to the same
VSI. LDP is used as the VPLS signaling protocol to set up the PW and Martini VPLS is
configured to enable CE1 and CE2 to communicate with each other.
Switch1 forwards the packets sent from CE1 without changing the VLAN tags of the packets.
Selective QinQ is configured on the interface connected to CE2 so that Switch2 adds the VLAN
tag specified by the carrier to the packets sent from CE2.
The packets sent by Switch1 to PE1 contain only one VLAN tag, and the packets sent by
Switch2 to PE2 contain two VLAN tags. Therefore, you need to configure VLAN stacking on
the sub-interface of PE1 connected to Switch1 and connect the sub-interface to the VPLS
network. Then CE1 and CE2 can communicate with each other.
When a switch is connected to multiple CEs, the switch can add different VLAN tags to the
packets from different CEs, that is, packets with different VLAN tags. This saves VLAN IDs
on the public network.
Figure 5-15 Networking diagram for configuring Martini VPLS
GE1/0/0
GE2/0/0
GE1/0/0
GE1/0/0
Switch
PE1
PE2
Issue 01 (2011-07-15)
Figure 5-15, VPLS is enabled on PE1 and PE2. CE1 is connected to Switch1
Loopback1
1.1.1.9/32
GE2/0/0
PE1
GE1/0/0
Switch1
CE1
Interface
GigabitEthernet1/0/0
GigabitEthernet2/0/0
Loopback1
GigabitEthernet1/0/0
GigabitEthernet2/0/0
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Loopback1 Loopback1
2.2.2.9/32
GE2/0/0
GE1/0/0
P
Switch2
VLANIF interface
GigabitEthernet1/0/0.1
VLANIF 20
-
VLANIF 30
GigabitEthernet2/0/0.1
5 QinQ Configuration
3.3.3.9/32
PE2
GE2/0/0
GE2/0/0
GE1/0/0
GE1/0/0
CE2
IP address
-
168.1.1.1/24
1.1.1.9/32
169.1.1.2/24
-
294