HP 6125G Configuration Manual page 25

Configuration procedure
Configure Switch B:
1.
# Create VLAN 2, VLAN 3, and VLAN 5 on Switch B. Add GigabitEthernet 1/0/3 to VLAN 2,
GigabitEthernet 1/0/1 to VLAN 3, and GigabitEthernet 1/0/2 to VLAN 5. Configure VLAN 5 as
the isolate-user-VLAN, and VLAN 2 and VLAN 3 as secondary VLANs. Configure the mappings
between isolate-user-VLAN and the secondary VLANs.
<SwitchB> system-view
[SwitchB] vlan 2
[SwitchB-vlan2] port GigabitEthernet 1/0/3
[SwitchB-vlan2] quit
[SwitchB] vlan 3
[SwitchB-vlan3] port GigabitEthernet 1/0/1
[SwitchB-vlan3] quit
[SwitchB] vlan 5
[SwitchB-vlan5] port GigabitEthernet 1/0/2
[SwitchB-vlan5] isolate-user-vlan enable
[SwitchB-vlan5] quit
[SwitchB] interface GigabitEthernet 1/0/2
[SwitchB-GigabitEthernet1/0/2] port isolate-user-vlan 5 promiscuous
[SwitchB-GigabitEthernet1/0/2] quit
[SwitchB] interface GigabitEthernet 1/0/1
[SwitchB-GigabitEthernet1/0/1] port isolate-user-vlan host
[SwitchB-GigabitEthernet1/0/1] quit
[SwitchB] interface GigabitEthernet 1/0/3
[SwitchB-GigabitEthernet1/0/3] port isolate-user-vlan host
[SwitchB-GigabitEthernet1/0/3] quit
[SwitchB] isolate-user-vlan 5 secondary 2 3
Configure Switch A:
2.
# Create VLAN 5 and add GigabitEthernet 1/0/2 to it.
<SwtichA> system-view
[SwtichA] vlan 5
[SwtichA-vlan5] port GigabitEthernet 1/0/2
[SwitchA-vlan5] quit
[SwtichA] interface vlan-interface 5
[SwtichA-Vlan-interface5] 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 implement Layer 3 communication between Host A and Host B.
[SwtichA-Vlan-interface5] local-proxy-arp enable
From Host A, ping Host B. The ping operation is successful after the configuration.
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