3com 5500-ei pwr Instrução De Instalação
1-10
VRRP Configuration Examples
Single-VRRP Group Configuration
Network requirements
Host A uses the VRRP virtual router comprising switch A and switch B as its default gateway to visit host
B on the Internet.
The information about the VRRP group is as follows:
z
VRRP group ID: 1
z
Virtual router IP address: 202.38.160.111/24
z
Master: Switch A
z
Backup: Switch B
z
Preemptive mode: enabled
Table 1-1 Network description
Switch
Ethernet port
connecting to Host
A
IP address of the
VLAN interface
Switch priority in
the VRRP 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
Network diagram
Figure 1-3 Network diagram for single-VRRP group configuration
LSW A
Host B
LSW B
Vlan-int3
10.100.10.2/24
Vlan-int2
202.38.160.1/24
Vlan-int2
202.38.160.2/24
202.38.160.3/24
10.2.3.1/24
Host A
Internet
Virtual IP address
202.38.160.111/24
Vlan-int3
10.100.10.3/24
Configuration procedure
z
Configure Switch A.
# Configure VLAN 3.