proxy arp question

Jul 07, 2006 1 Replies

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spec 20 years ago

Will a Cisco router answer proxy arp for one of it's own addresses or only for other hosts in its arp table?

IE, if eth0 on a router is 10.1.1.1 and eth1 is 10.2.2.2 will the router proxy arp for the address 10.1.1.1 for a client arping for

10.1.1.1 on eth1?

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BernieM 20 years ago

Yes it will. By the way ... a router will proxy arp based on its ability to route toward the destination ... there's no association with its arp table at all.

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