C613-50100-01 REV C Command Reference for x930 Series 745
AlliedWare Plus™ Operating System - Version 5.4.6-1.x
IP ADDRESSING AND PROTOCOL COMMANDS
IP
LIMITED-LOCAL-PROXY-ARP
ip limited-local-proxy-arp
Overview Use this command to enable local proxy ARP, but only for a specified set of IP
addresses. This makes the device respond to ARP requests for those IP addresses
when the addresses are reachable via the interface you are configuring.
To specify the IP addresses, use the command local-proxy-arp.
Use the no variant of this command to disable limited local proxy ARP. This stops
your device from intercepting and responding to ARP requests for the specified
hosts. This allows the hosts to use MAC address resolution to communicate directly
with one another.
Syntax
ip limited-local-proxy-arp
no ip limited-local-proxy-arp
Default Limited local proxy ARP is disabled by default.
Mode Interface Configuration
Usage This command allows you to stop MAC address resolution for specified hosts.
Limited local proxy ARP works by intercepting ARP requests for the specified hosts
and responding with your device’s own MAC address details instead of the
destination host’s details. This stops hosts from learning the MAC address of the
other hosts through ARP requests.
Limited local proxy ARP ensures that the specified devices cannot send traffic that
bypasses Layer 3 routing on your device. This gives you control over which hosts
may communicate with one another.
Example To enable limited local proxy ARP, so that the device makes ARP responses to ARP
requests for specified addresses, when the ARP requests are received on VLAN2
and the addresses are routed out VLAN2, use the commands:
awplus# configure terminal
awplus(config)# interface vlan2
awplus(config-if)# ip limited-local-proxy-arp
Related
Commands
ip local-proxy-arp
local-proxy-arp
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