Today Cliff Sarginson wrote:

> Hello,
> This is my festive season question.
> I was having some problems with my SMTP mail connection to my ISP.
> So I tcpdump'ed the ethernet ADSL connection.
> I think I know what most of it means, but can anyone tell me what
> the following messages, every 2 seconds mean ?
> It is not a problem, I just would like to know :)
>
> 17:22:00.343309 M 0:1:71:2:e6:61 > 1:0:0:0:0:0 802.1d ui/C
> 17:22:02.443185 M 0:1:71:2:e6:61 > 1:0:0:0:0:0 802.1d ui/C

If you want more friendly output, then try:

# tcpdump -s 1528 -lenx | tcpshow -cooked

(tcpshow is in ports if not already installed)

        -andrew


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