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RE: mac-address accounting
- From: Martin, Christian
- Date: Fri Jun 01 09:53:03 2001
I think these maybe the Cisco LOOP pulses sent out to detect link status.
Lemme check in the lab...
> -----Original Message-----
> From: Simon Leinen [mailto:email@example.com]
> Sent: Friday, June 01, 2001 8:47 AM
> To: Alex Rubenstein
> Cc: firstname.lastname@example.org
> Subject: Re: mac-address accounting
> >>>>> "ar" == Alex Rubenstein <email@example.com> writes:
> > core1.nyc#sho int g0/0/0 mac-accounting
> > GigabitEthernet0/0/0 to external peers and customers
> > Output (475 free)
> > 0100.0c00.0000(13 ): 57198 packets, 37155973 bytes,
> last: 388ms ago
> > core1.nyc#sho arp | inc 0100
> > core1.nyc#
> 01:00:0c is Cisco's Ethernet multicast address prefix.
> 01:00:0c:00:00:00 looks strange to me.
> The cisco-nsp mailing list had a query about this problem:
> But I don't know whether this has been resolved. If I try outbound
> MAC accounting (usually I only use inbound MAC accounting at exchange
> points) on a 7206VXR running 12.0(17)S, everything looks fine.
> > All the others are valid, yet they are way, and I mean *way* under
> > the amounts that I know I am sending to that peer.
> (Maybe your Cisco multicasts all traffic out to the exchange point
> rather than send it to the correct peer - seems much more robust to
> me, although you might end up with heavy packet replication :-)
> Simon Leinen firstname.lastname@example.org
Computers hate being anthropomorphized.