[c-nsp] clear arp-cache interface on Subinterfaces?

[Rodney Dunn]

Sascha,

It just so happens I had a chance to review
some changes to some arp commands that are
coming out in the future and I have verified
that this will be fixed when those changes
go in. 

Rodney

On Wed, Jan 12, 2005 at 11:49:38AM -0500, Rodney Dunn wrote:
> Probably one of the reasons it wasn't made more
> granular is because when you do a clear arp
> it just sends a unicast arp request for any
> entry that is currently in the table.
> It doesn't actually flush and re-arp so
> forwarding using that arp is unaffected as
> long as the end station responds to the unicast
> arp request.
> 
> Rodney
> 
>  
> On Wed, Jan 12, 2005 at 02:01:12PM +0100, Sascha E. Pollok wrote:
> > Folks,
> > 
> > I recently had to debug some customer's ARP problem.
> > Due to this, I had to flush several of his MAC addresses
> > from our arp-cache more than once. I found, that the
> > "clear arp-cache" command supports giving the related
> > interface using "clear arp-cache interface FastEthernet..".
> > 
> > This is not bad but why doesn't IOS support FastEthernet
> > subinterface-numbers like "clear arp-cache interface FastEthernet0/1.15" ?
> > 
> > I am still able to clear the arp cache by shut-noshut the interface
> > but I am wondering why I can give the physical interface, only.
> > 
> > This is on a 12.3(6a).
> > 
> > Anyone?
> > 
> > Cheers
> > Sascha
> > 
> > P.S.: Yes, I searched Ciscos website - no luck.
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