3Com 5500-EI PWR Install Manual page 723

The market department belongs to VLAN 10 and is connected to port Ethernet 1/0/1 of
the switch. The IP address of VLAN 10 interface is 192.168.1.1/24.
The R&D department belongs to VLAN 20 and is connected to port Ethernet 1/0/2 of the
switch. The IP address of VLAN 20 interface is 192.168.2.1/24.
The administrative department belongs to VLAN 30 and is connected to port Ethernet
1/0/3 of the switch. The IP address of VLAN 30 interface is 192.168.3.1/24.
The WEB Cache Server, with the IP address 192.168.4.2 and the MAC address
0012-0990-2250, belongs to VLAN 40 and is connected to port Ethernet 1/0/4 of the
switch. The IP address of VLAN 40 interface is 192.168.4.1/24.
The switch is connected to the router through port Ethernet 1/0/5 and accesses the
Internet through the router. Ethernet 1/0/5 belongs to VLAN 50. The IP address of
VLAN 50 interface is 192.168.5.1/24.
The WEB Cache redirection function is enabled on the switch, and all the packets of the
market department, R&D department, and administrative department are redirected to the
WEB Cache Server, so as to relieve the load from the connection links of the WAN, and
improve the speed of Internet access.
Networking diagram
Figure 1-2 Networking diagram for Web cache redirection configuration
VLAN 10
The Marketing
department
Internet
Router
VLAN50
Eth1/0/5
Eth1/0/4
Eth1/0/1
Eth1/0/3
Eth1/0/2
Switch
VLAN 20
The R&D
department
VLAN 40
Web Cache Server
192.168.4.2
0012-0990-2250
VLAN 30
The Administrative
department
1-4