Procedure
l Run the debugging mpls l2vpn vpls-forward { error-message | mac-event | vpls-
event } command in the user view to enable the debugging of software-based VPLS
forwarding and view the debugging information.
----End
8.6 Configuration Examples
This section provides a configuration example of VPLS convergence.
8.6.1 Example for Configuring the mVSI
Networking Requirements
Figure 8-4 shows the networking diagram for configuring VPLS convergence on the Metro
Ethernet.
l The two NPEs are the core devices in the Metro Ethernet. They access the upstream IP/
MPLS core network and the downstream UPE. The mVRRP runs between NPE1 and NPE2
to determine whether an NPE is the master or the slave. An mVSI runs on the UPE. The
mVPPR packets are exchanged between NPE1 and NPE2 through the mVSI on the UPE.
The service PWs of NPE1 and NPE2 are bound to the mVRRP group so that the status of
the service PWs is determined by the mVRRP group. Normally, only the service PW on
the master NPE processes the service data of users.
l The service data of users is sent to the service VSI on the UPE, and then forwarded to the
two NPEs through the service VSI.
l The service VSIs on the UPE are bound to the mVSI. When active/standby switchover
occurs between the NPEs, the MAC addresses of all the service VSIs bound to the mVSI
on the UPE are cleared. The service VSIs learn the MAC address of the new master NPE
and services are not interrupted.
Quidway S7700 Smart Routing Switch
Configuration Guide - VPN 8 VPLS Convergence Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
811
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