3Com 4007 Implementation Manual page 413

1
2
CA1
BA1
= Default VLAN, on these ports
= Protocol VLAN, Protocol = IP, configured on this port
= VRRP configured on this port
All IP Addresses are submitted to a Class C with a mask of 255.255.255.0
1 IP=22.2.52.1, Gateway=22.2.52.16
2 IP=33.3.52.2, Gateway=33.3.52.16
3 IP=44.4.53.3, Gateway=44.4.53.16
IP=55.5.53.4, Gateway=5.5.53.16
4
Figure 49 Sample VRRP Topology with a Single Virtual Router
Switch 4007
Switch Fabric Module
LAN
IP Addr
22.2.52.17 22.2.52.16
33.3.52.17 33.3.52.16
44.4.53.16
44.4.53.17
55.5.53.17 55.5.53.16
VRRP vid 52 VRRP vid 52
backup
for subnets for subnets
22.2.52
33.3.52
44.4.53
55.5.53
BA2
In this topology, there is a single point of failure (because there is a
one-armed router) between the left and right chassis. Loss of either the
CA2 module in the left chassis, or the CA3 module in the right chassis
results in loss of connectivity between the left chassis and the right
chassis.
Using VRRP On Your Switch 4007
IP Addr
primary
22.2.52
33.3.52
44.4.53
55.5.53
CA2
Trunked
Link
Switch 4007
Switch Fabric Module
LAN
CA4
CA3
413
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