[c-nsp] C2950G sh arp

Shaun mailinglists at unix-scripts.com
Thu Jun 8 20:04:54 EDT 2006


For whatever reason i cant seam for the life of me to figure out how to 
disable proxy-arp.  I know i've seen it before in the menu's somewhere..  I 
do not have a ip default-gateway set on these, with proxy-arp disabled i 
assume this will be required so the switch can route out?

~Shaun
----- Original Message ----- 
From: "Kenny Sallee" <k_sallee at yahoo.com>
To: "Shaun" <mailinglists at unix-scripts.com>; <cisco-nsp at puck.nether.net>
Sent: Thursday, June 08, 2006 4:33 PM
Subject: Re: [c-nsp] C2950G sh arp


> Just had that problem today - make sure you have the
> 'ip default-gateway' set on the 2950's and disable
> proxy arp.  Proxy arp is enabled by default on Cisco
> routers and I personally don't think it should be.
> Just masks routing problems and makes others difficult
> to troubleshoot.
> Kenny
>
> --- Shaun <mailinglists at unix-scripts.com> wrote:
>
>> When doing a sh arp on my c2950G switches I see a
>> huge list of addresses
>> that do not belong to my network, they appear to all
>> be on the vlan number I
>> choose to be my management vlan (not 1).  When I do
>> a sh mac-add | inc
>> <MAC-ADDRESS> I see that the mac points to fa0/1.
>> My setup is simple, 3750
>> trunked to the 2950G's.  3750 does BGP with my
>> upstreams.
>>
>> Is this normal, when I do a sh arp on my 3750 I only
>> see addresses from the
>> networks i own, it's only the switches that servers
>> directly plug into that
>> seam to have this issue.  Also if I do a sh arp |
>> exc Vlan(Management
>> Number) the arp table shows nothing on the 2950's.
>>
>> ~Shaun
>>
>>
>>
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>
>
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