From: Daniel Kalchev <daniel@di...> - 2000-11-28 14:11:23
Interestingly enough, BR500's threat ARPs the same way as multicast - if you
filter out multicast, you actually filter out ARP as well (which is not good
in some environments).
Any idea if this can be configured different?
> Can you desribed the upstream equipment which is in use at the 'bottom' of
> the hill? What I'm curious about is the possibility of some sort of ARP
> traffic being generated, or, a router attempting to reach a station by
> addressing frames at a mcast address.
> Also, have do you have the ability to attach some sort of packet capturing
> tool to the network? Something as simple as a *nix box running "ngrep" or
> "tcpdump" would do. I'd recomend looking into where/what is generating
> these mcast packets.
> Hope the ideas help!
> > We have recently ran into a problem that we can't seem to fix..
> > Here is our layout. 2 Br500e's. One at our office and another on a hill.
> > Both in access point mode. We then have 30 customers connected to the BR
> > the hill. All has been working fine until a week ago when al of a sudden w
> > started noticing that transmit pkts per second had gone thru the roof.
> > We started watching and began to notice that for every data packet we were
> > sending we were also sending a multicast packet.
> > If we apply a filter to multicast ...all is back to normal..
> > Anybody got any ideas ??
> > Rob..
> > Rob...
> > DataPro & Vom.Com
> > http://www.vom.com
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