Re: about arp

Just wondering, is "ip arp proxy" the same as "ip proxy-arp"?

Dinesh

On Fri, Apr 17, 2009 at 4:48 PM, Pavel Bykov <slidersv_at_gmail.com> wrote:

> no ip arp gratuitous
> --turns off sending of gratious arps, which I think are sent every 45
> seconds by default
>
> no ip arp incomplete entries
> --When you are "gleaning" (or trying to resolve MAC from some IP address)
> you will temporarily create an Incomplete entry, until it is timed out or
> resolved. If arp attacks are your concern, you can turn off this temporary
> creation.
>
> no ip arp proxy
> --Well, this instructs router not to answer arp requests for non-local
> destinations. E.g. if the interface address is 10.0.0.0/24 and ARP request
> is for 20.0.0.1, normally the router would respond that yes, I am MAC
> address for 20.0.0.1 and the host would send all of the frames to the
> router
> - basically not requiring default gateway. With proxy arp turned off,
> router
> can only answer requests for 10.0.0.0/24 (it's local subnet)
>
>
>
> On Thu, Apr 16, 2009 at 6:36 PM, rakesh m <raaki.88_at_gmail.com> wrote:
>
> > i got a doubt .. what does these commands are used for ?
> >
> > no ip arp gratuitous
> > no ip arp incomplete entries
> > no ip arp proxy
> >
> >
> > thank you
> >
> >
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> --
> Pavel Bykov
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Received on Sat Apr 18 2009 - 13:09:35 ART