>From pinging office1 -> office2
> 17:01:05.300986 office1 > office2: icmp: echo request
> 17:01:06.301268 office1 > office2: icmp: echo request
> 17:01:07.321620 office1 > office2: icmp: echo request
> 17:01:08.321269 office1 > office2: icmp: echo request
> 17:01:09.321273 office1 > office2: icmp: echo request
> 17:01:10.291220 arp who-has office2 tell office1
> 17:01:10.291528 arp reply office2 is-at 0:0:e8:d7:4c:21
> 17:01:10.321239 office1 > office2: icmp: echo request
> 17:01:11.291215 arp who-has office2 tell office1
> 17:01:11.291517 arp reply office2 is-at 0:0:e8:d7:4c:21
> 17:01:11.321255 office1 > office2: icmp: echo request
> 17:01:12.291216 arp who-has office2 tell office1
> 17:01:12.291526 arp reply office2 is-at 0:0:e8:d7:4c:21
>
You see here office1 is looking for office2's ethernet address. Although
the arp replies are there, office1 doesn't seem to be getting it, as it
keeps asking for it. (where were these tcpdumps run, btw?)
>From pinging office2 -> office1
> 17:17:55.120115 office2 > office1: icmp: echo request
> 17:17:56.119833 office2 > office1: icmp: echo request
> 17:17:57.119670 office2 > office1: icmp: echo request
> 17:17:58.119618 office2 > office1: icmp: echo request
> 17:17:59.119332 office2 > office1: icmp: echo request
> 17:18:00.119177 office2 > office1: icmp: echo request
> 17:18:09.291364 office1.netbios-dgm > 192.168.1.0.netbios-dgm: udp 213
> 17:18:09.291456 office1.netbios-dgm > office2.netbios-dgm: udp 181
> 17:18:14.291217 arp who-has office2 tell office1
> 17:18:14.291522 arp reply office2 is-at 0:0:e8:d7:4c:21
> 17:18:15.291226 arp who-has office2 tell office1
> 17:18:15.291531 arp reply office2 is-at 0:0:e8:d7:4c:21
> 17:18:16.291215 arp who-has office2 tell office1
> 17:18:16.291527 arp reply office2 is-at 0:0:e8:d7:4c:21
See here again office1 is looking for office2's ethernet address. Try
running "arp" on office1 during the ping and see what it has for office2.
Try reversing the cable and see if the arp behavior also flips. If so,
you've got a bad cable.
-Mike
[EMAIL PROTECTED]
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