3Com Switch 4800G 24-Port - Proxy ARP Configuration Examples

788 CHAPTER 55: PROXY ARP CONFIGURATION
Proxy ARP
Configuration
Examples
Proxy ARP Configuration
Example
Network requirements
Host A and Host D have IP addresses of the same network segment. Host A
belongs to VLAN 1, and Host D belongs to VLAN 2. Configure proxy ARP on the
device to enable the communication between the two hosts.
Network diagram
Figure 237 Network diagram for proxy ARP
Configuration procedure
# Configure Proxy ARP on the device to enable the communication between Host
A and Host D.
<Switch> system-view
[Switch] vlan 2
[Switch-vlan2] quit
[Switch] interface vlan-interface 1
[Switch-Vlan-interface1] ip address 192.168.10.99 255.255.255.0
[Switch-Vlan-interface1] proxy-arp enable
[Switch-Vlan-interface1] quit
[Switch] interface vlan-interface 2
[Switch-Vlan-interface2] ip address 192.168.20.99 255.255.255.0
[Switch-Vlan-interface2] proxy-arp enable
[Switch-Vlan-interface2] quit
Display whether local proxy
ARP is enabled
display local-proxy-arp [ interface
Vlan-interface vlan-id ]
Available in any view
To do… Use the command… Remarks
Vlan-int1
192.168.10.99/24
192.168.10.100/16
0000-0c94-36aa
192.168.20.200/16
0000-0c94-36dd
Switch
Subnet B
Subnet A
Host A
Host B
Host C Host D
Vlan-int2
192.168.20.99/24