Something like this is discussed in the Cisco Press book "Advanced IP
Network Design". If they have a default route out to you over an Ethernet
link and that route statement specifies their outbound interface rather than
the ip address of your interface, then their router will have to ARP for
every unknown host.
> -----Original Message-----
> From: Chris Headings [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, July 19, 2001 3:02 PM
> To: [EMAIL PROTECTED]
> Subject: ARP Input Problem [7:13003]
>
>
> I have a weird one....we have a client that is connected to us via
> ethernet. We have a 7513 on our side and they have a 2621. They are
> receving a LOT of arp input, so much in fact that their
> router is maxed out
> at 100%. The sh proc cpu shows arp input as the culprit....
>
> When you do a sh arp, they only entry that should be in their
> 2621 is our
> 7513 with the proper IP and MAC combo....but instead the arp
> table (in the
> clients 2621) goes on forever and shows random IP's
> associated with the MAC
> of our 7513 FA....
>
> Any help would be greatly appreciated.....
>
> Thx
>
> Chris
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