This may sound stupid... but have the obvious been checked
1) duplex settings
2) speed settings
3) portfast enabled (only on user ports)
""Don Oxman"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> I must admit this is my first question posted to the group, though I've
been
> a lurker for a long time. Here it is:
>
> We have workstations on 10 different floors (each floor divided in half,
> each half a different subnet), all connected to 5505's (20 in total).
From
> the 5505's fiber goes to a 6509, then ultimately to the WAN via ATM. The
> servers all plug into the 6509. So far, so good.
>
> For the past 3 days we have had workstations (not all, but about 50%)on
> every floor lose connectivity to the network, whereby all of our NT and
> NetWare servers are unavailable and web browsing is gone. This has
happened
> a total of 6 times, and there doesn't appear to be a pattern to the time
or
> network utilization. Most times the users have to reboot, though
sometimes
> they can reconnect without a reboot.
>
> Can anyone help steer me in the right direction? Our WAN guys can't help,
> and I have a feeling that it's going to be up to me to figure this one
out.
>
> Thanks a lot.
>
> --Don
>
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