Optional) Configuring Huawei Devices To Communicate With Non-Huawei Devices - Huawei quidway s7700 Configuration Manual

Quidway S7700 Smart Routing Switch
Configuration Guide - VPN
Follow-up Procedure
7.3.4 (Optional) Configuring Huawei Devices to Communicate with
Non-Huawei Devices
When interconnecting a Huawei device with other vendor's devices, you need to set the global
encapsulation type of Kompella VPLS on the Huawei device, and configure the Huawei device
to ignore the MTU match check.
Context
Do as follows on the PEs of the two ends of the PW:
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
vpls bgp encapsulation { ethernet | vlan }
The global encapsulation type of Kompella VPLS is configured.
After this command is used and the VPLS packet with encapsulation type 19 is received, the
system re-encapsulates this packet according to the user configuration and then performs other
processing related to VPLS.
When this command is not used, the system re-encapsulates the received VPLS packet with
encapsulation type 19 in VLAN mode.
Step 3 Run:
vsi vsi-name
The view of the created VSI is displayed.
Step 4 Run:
ignore-mtu-match
The MTU matching check is ignored and the sent VPLS packet is re-encapsulated.
By default, the MTU in the VSI view is 1500. If the MTUs of the same VSI on two PEs are
different, the two PEs cannot exchange information or establish a connection.
The equipment of some manufacturers cannot perform the MTU matching check in the VSI.
When a Huawei device communicates with a non-Huawei device in Kompella mode, you need
Issue 01 (2011-07-15)
TIP
A VSI can set up the VSI connection with multiple VSIs with the same site number and the same VPN
target of other PEs. Among those VSIs, a VSI is the primary VSI, and the others are backup VSIs. This
backup scheme is not recommended.
Multiple VSIs with the same site number and the same VPN target are allocated with the same label, and
they are actually the same VSI. A VSI can set up only one VSI connection with multiple VSIs with the
same site number and the same VPN target.
NOTE
When Huawei devices need to communicate with non-Huawei devices with the VPLS encapsulation type
carried by BGP extended community attributes as 19, you need to perform this configuration.
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