Configuration Examples; Example For Configuring Vrrp In Master/Backup Mode - Huawei Quidway S3700 Series Configuration Manual

Quidway S3700 Series Ethernet Switches
Configuration Guide - Reliability
Context
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
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7.11 Configuration Examples

This section provides several configuration examples of VRRP.

7.11.1 Example for Configuring VRRP in Master/Backup Mode

Networking Requirements
As shown in
The requirements are as follows:
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Issue 01 (2011-10-26)
CAUTION
Run the debugging vrrp packet command in the user view to enable the debugging of
VRRP packets.
Run the debugging vrrp state command in the user view to enable the debugging of VRRP
status.
Run the debugging vrrp timer command in the user view to enable the debugging of VRRP
timer.
Figure 7-3, Host A communicates with Host B through the default gateway.
The VRRP group that consists of SwitchA and SwitchB functions as the default gateway
of Host A.
SwitchA functions as the gateway. When SwitchA fails, SwitchB becomes the gateway.
After SwitchA recovers, it preempts to be the master router within 20 seconds.
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