[j-nsp] about ARP

[Harry Reynolds]

I am not sure if we flush the arp cache after the related interface goes down, but it makes sense to do so.

Regards

 

> -----Original Message-----
> From: zeng watchthinker [mailto:watchthinker at hotmail.com] 
> Sent: Wednesday, May 25, 2005 10:27 AM
> To: Harry Reynolds; juniper-nsp at puck.nether.net
> Subject: RE: [j-nsp] about ARP
> 
> But there is still a problem.
> 
> When ping can reach another end (1% lost), there is no arp 
> entry of remote end ip address in local system. Is flapping 
> caused arp clearance?
> 
> >From: "Harry Reynolds" <harry at juniper.net>
> >To: "zeng watchthinker" 
> <watchthinker at hotmail.com>,<juniper-nsp at puck.nether.net>
> >Subject: RE: [j-nsp] about ARP
> >Date: Wed, 25 May 2005 09:44:17 -0700
> >
> >Common to see duplicate address detection when a device 
> first activates. 
> Normally done by ARP-ing one's own address. This part sounds normal.
> >
> >HTHs
> >
> >
> > > -----Original Message-----
> > > From: juniper-nsp-bounces at puck.nether.net
> > > [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of zeng 
> > > watchthinker
> > > Sent: Wednesday, May 25, 2005 9:36 AM
> > > To: juniper-nsp at puck.nether.net
> > > Subject: [j-nsp] about ARP
> > >
> > > I found a strange problem when testing GE interoperate between 2 
> > > routes.
> > >
> > > Our side GE is flapping. When mirrored and capture some 
> packets, it 
> > > always generate ARP request for its own IP
> > > address(!?) What will be the cause of this problem? It seems not 
> > > real but it do happen
> > >
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