Local Proxy Arp Configuration Example In Isolate-User-Vlan - HP 6125G Configuration Manual

Layer 3 - ip services configuration guide
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[SwitchB-GigabitEthernet1/0/3] port-isolate enable
[SwitchB-GigabitEthernet1/0/3] quit
[SwitchB] interface GigabitEthernet 1/0/1
[SwitchB-GigabitEthernet1/0/1] port-isolate enable
[SwitchB-GigabitEthernet1/0/1] quit
Configure Switch A:
2.
# Create VLAN 2, and add GigabitEthernet 1/0/2 to VLAN 2.
<SwitchA> system-view
[SwitchA] vlan 2
[SwitchA-vlan2] port GigabitEthernet 1/0/2
[SwitchA-vlan2] quit
[SwitchA] interface vlan-interface 2
[SwitchA-Vlan-interface2] ip address 192.168.10.100 255.255.0.0
From Host A, ping Host B. The ping operation is unsuccessful because they are isolated at Layer 2.
# Configure local proxy ARP to allow communication between Host A and Host B at Layer 3.
[SwitchA-Vlan-interface2] local-proxy-arp enable
From Host A, ping Host B. The ping operation is successful after the configuration.

Local proxy ARP configuration example in isolate-user-VLAN

Network requirements
As shown in
which includes uplink port GigabitEthernet 1/0/2 and two secondary VLANs, VLAN 2 and VLAN 3.
GigabitEthernet 1/0/3 belongs to VLAN 2, and GigabitEthernet 1/0/1 belongs to VLAN 3.
Host A belongs to VLAN 2 and connects to GigabitEthernet 1/0/3 of Switch B. Host B belongs to VLAN
3 and connects to GigabitEthernet 1/0/1 of Switch B.
As Host A and Host B belong to different secondary VLANs, they are isolated at Layer 2. Configure local
proxy ARP on Switch A to implement Layer 3 communication between Host A and Host B.
Figure 10 Network diagram
Figure
10, Switch B is attached to Switch A. VLAN 5 on Switch B is an isolate-user-VLAN,
16

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