Operation Manual – VRRP 
Quidway S3900 Series Ethernet Switches-Release 1510  Chapter 1  VRRP Configuration
 
Huawei Technologies Proprietary 
1-11 
z  Virtual router IP address: 202.38.160.111 
z  Master switch: Switch A 
z  Backup switch: Switch B 
z  Preemptive mode: enabled 
Table 1-8 Network description 
Switch 
Ethernet port 
connecting to 
Host A 
IP address of 
the VLAN 
interface 
Switch 
priority in the 
backup group 
Preemptive 
mode 
LSW-A Ethernet 1/0/6 202.38.160.1/24 110  Enabled
 
LSW-B Ethernet 1/0/5  202.38.160.2/24  100 (default)  Enabled
 
 
II. Network diagram 
Virtual IP address: 202.38.160.111
LSW-A
Host A
202.38.160.3
-Vlan-interface2:  202.38.160.1
Internet
LSW-B
-
Vlan-interface2:  202.38.160.2
Host B
Virtual IP address: 202.38.160.111
Host A
202.38.160.3
-Vlan-interface2:  202.38.160.1
Internet
-
Vlan-interface2:  202.38.160.2
Host B
Virtual IP address: 202.38.160.111
LSW-A
Host A
202.38.160.3
-Vlan-interface2:  202.38.160.1
Internet
LSW-B
-
Vlan-interface2:  202.38.160.2
Host B
Virtual IP address: 202.38.160.111
Host A
202.38.160.3
-Vlan-interface2:  202.38.160.1
Internet
-
Vlan-interface2:  202.38.160.2
Host B
 
Figure 1-3 Network diagram for single-VRRP backup group configuration 
III. Configuration procedure 
z  Configure Switch A. 
# Configure VLAN 2. 
<LSW-A> system-view 
[LSW-A] vlan 2 
[LSW-A-vlan2] port Ethernet 1/0/6 
[LSW-A-vlan2] quit 
[LSW-A] interface Vlan-interface 2