Re: Local Proxy ARP

Hi Garth, i had the same issue, do you have the ip prox-arp enable, because
this need local proxy arp and ip proxy arp enabled to work.

could you send the show ip interface ?

2010/9/13 Garth Bryden <hacked.the.planet.on.28.8k.dialup_at_gmail.com>

> Hello,
>
> I have a problem and I am failing to understand why it is not working,
> though it is probably obvious.
>
> I have two switches
>
> R1 ------------ SW1 ----------------- SW3
> |
> |
> R3
>
> R1 and R3's interfaces are configured as protected ports in VLAN 1363
>
> SW3 has a SVI in VLAN 1363 with local proxy arp enabled
>
> The interswitch link is an access vlan 1363. There is reachability between
> SW3 and R1, SW3 and R3 but no reachability between R1 and R3 as the ARP
> table is "incomplete" as a result
> of the switchports being protected.
>
> I believed that if SW3 had a SVI which was in the same segment with the
> local-proxy-arp command enabled that it would respond to the ARP requests,
> allowing connectivity but it is not working.
>
> I tested it if the SVI was on SW1 and it works ok, but if it is on SW3 is
> does not.. Is there some kind of limitation stopping this? I can confirm
> the
> ARP requests are arriving at SW3..
>
>
> SW3(config-if)#
> *Mar 1 00:35:47.551: IP ARP: rcvd req src 204.12.11.1 000f.3471.04e0, dst
> 204.12.11.3 Vlan1363
>
>
> Many thanks,
>
> Garth
>
>
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Received on Mon Sep 13 2010 - 14:07:32 ART