Local proxy ARP configuration example in super
VLAN
Network requirements
Figure 1 1
shows a super VLAN, VLAN 10, with the interface IP address 192.168.10.100/16 and
sub-VLANs (VLAN 2 and VLAN 3). GigabitEthernet 1/0/2 belongs to VLAN 2 and GigabitEthernet
1/0/1 belongs to VLAN 3. Host A belongs to VLAN 2 and connects to GigabitEthernet 1/0/2 of the
switch. Host B belongs to VLAN 3 and connects to GigabitEthernet 1/0/1 of the switch.
As Host A and Host B belong to different Sub-VLANs, they are isolated at Layer 2. Configure local proxy
ARP on the switch to allow Layer 3 communication between Host A and Host B.
Figure 11 Network diagram
Configuration procedure
# Create the super VLAN and the sub-VLANs. Add GigabitEthernet 1/0/2 to VLAN 2 and
GigabitEthernet 1/0/1 to VLAN 3. Configure the IP address 192.168.10.100/16 for the interface of
VLAN 10.
<Switch> system-view
[Switch] vlan 2
[Switch-vlan2] port GigabitEthernet 1/0/2
[Switch-vlan2] quit
[Switch] vlan 3
[Switch-vlan3] port GigabitEthernet 1/0/1
[Switch-vlan3] quit
[Switch] vlan 10
[Switch-vlan10] supervlan
[Switch-vlan10] subvlan 2 3
[Switch-vlan10] quit
[Switch] interface vlan-interface 10
[Switch-Vlan-interface10] ip address 192.168.10.100 255.255.0.0
20