Context
CAUTION
Debugging affects the performance of the system. After debugging, run the undo debugging
all command to disable it immediately.
When a VRRP fault occurs, run the following debugging commands in the user view to debug
VRRP and locate the fault.
Procedure
l Run the debugging vrrp packet command in the user view to enable the debugging of
VRRP packets.
l Run the debugging vrrp state command in the user view to enable the debugging of VRRP
status.
l Run the debugging vrrp timer command in the user view to enable the debugging of VRRP
timer.
----End
6.11 Configuration Examples
This section provides several configuration examples of VRRP.
6.11.1 Example for Configuring VRRP in Master/Backup Mode
Networking Requirements
As shown in Figure 6-3, Host A communicates with Host B through the default gateway.
The requirements are as follows:
l The VRRP group that consists of SwitchA and SwitchB functions as the default gateway
of Host A.
l SwitchA functions as the gateway. When SwitchA fails, SwitchB becomes the gateway.
l After SwitchA recovers, it preempts to be the master router within 20 seconds.
Quidway S6700 Series Ethernet Switches
Configuration Guide - Reliability 6 VRRP and VRRP6 Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
248
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