F3726, F3211, F3174, R5135, R3816-HP Firewalls and UTM Devices Network Management Configuration Guide-6PW100

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Figure 171 Application environment of local proxy ARP
Enable local proxy ARP when hosts connecting to different isolated Layer 2 ports in the same VLAN need
to communicate at Layer 3.
133B
Enabling common proxy ARP
You can enable common proxy ARP in VLAN interface view/Layer 3 Ethernet interface view/Layer 3
Ethernet subinterface view/Layer 3 aggregate interface view/Layer 3 aggregate subinterface view.
To enable common proxy ARP:
Ste
p
Command Remarks
471. Enter system view.
system-view N/A
472. Enter interface view.
interface interface-type interface-number N/A
473. Enable proxy ARP.
proxy-arp enable Disabled by default.
134B
Enabling local proxy ARP
You can enable local proxy ARP in VLAN interface view/Layer 3 Ethernet interface view/Layer 3
Ethernet subinterface view/Layer 3 aggregate interface view/Layer 3 aggregate subinterface view.
To enable local proxy ARP:
Ste
p
Command Remarks
474. Enter system view.
system-view N/A
475. Enter interface view.
interface interface-type interface-number N/A
476. Enable local proxy ARP.
local-proxy-arp enable [ ip-range startIP to endIP ] Disabled by default.
GE0/2
VLAN 2
Vlan-int2
192.168.10.100/16
Switch
GE0/3
GE0/1
GE0/2
uplink-port
Host A
192.168.10.99/16
Host B
192.168.10.200/16
VLAN 2
port-isolate group 2
Firewall