11.5.4 Enabling QinQ-based Layer 2 Transparent Transmission on
an Interface
Context
Do as follows on PEs according to the type of Layer 2 protocol packets to be transparently
transmitted.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
interface interface-type interface-number
The user-side interface view is displayed.
Step 3 Run:
port hybrid untagged vlan { { vlan-id1 [ to vlan-id2 ] } &<1-10> | all }
The interface is added to the specified VLANs in untagged mode.
Step 4 Run:
port vlan-stacking vlan vlan-id1 [ to vlan-id2 ] stack-vlan vlan-id3
The interface is configured to add an outer VLAN tag to the Layer 2 protocol packets.
Step 5 Run:
l2protocol-tunnel { all | protocol-type | user-defined-protocol protocol-name }
{ vlan low-id [ to high-id ] } &<1-10>
VLAN-based Layer 2 protocol transparent transmission is enabled on the interface.
NOTE
l The outer VLAN tag (vlan-id3) specified in step 5 must be included in the VLAN range specified in
step 6.
l For details on how to add an interface to VLANs in untagged mode, see the VLAN configuration in
the S7700 Configuration Guide- Ethernet.
l Before specifying a user-defined protocol in the l2protocol-tunnel vlan command, run the l2protocol-
tunnel user-defined-protocol command to define characteristic information about the Layer 2
protocol. STP packets have a default MAC address for replacing the original destination MAC address.
For packets of other Layer 2 protocols, you need to configure a global MAC address to replace the
destination MAC address. For details, see l2protocol-tunnel group-mac.
l The l2protocol-tunnel vlan and l2protocol-tunnel commands cannot specify the same protocol type
on the same interface; otherwise, the configurations conflict.
----End
11.5.5 Checking the Configuration
Context
Configurations of Layer 2 protocol transparent transmission are complete.
Quidway S7700 Smart Routing Switch
Configuration Guide - Ethernet 11 Layer 2 Protocol Transparent Transmission Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
588
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