could this happen because you have to use a crossover cable between the hub
and the switch ?
or
are there any VLANs on the catalyst ?
-----------------------------------------------
Gabriel Neagoe, GN379-RIPE
Networking solutions consultant
Cisco product manager, CCNA, CCDA
S&T Romania
tel: +401 20 40 300
fax: +401 20 40 310
-----------------------------------------------
> -----Original Message-----
> From: Don Dettmore [SMTP:[EMAIL PROTECTED]]
> Sent: Tuesday, July 11, 2000 4:04 PM
> To: [EMAIL PROTECTED]
> Subject: connectivity problem
>
> Here is an interesting problem.
>
> I have a client with a Cisco 2924XL switch. Most stations are
> directly connected to the switch, however off of one of the switch
> ports is an old Bay 10mb/s hub.
>
> The problem is that stations connected to the hub cannot communicate
> with stations connected to the switch. Switch stations CAN
> communicate with switch stations, and hub stations CAN communicate
> with hub stations.
>
> The switch port connected to the hub appears to recognize the hub -
> it is up/up and has detected 10mb half duplex. I tried manually
> entering these settings with no effect.
>
> It appears to be an arp problem - if I debug arp and then try to ping
> a station connected to the hub, arps are sent out, but no replys are
> received. This happens whether the switch itself tries to ping a hub
> host, or a if a switch station does so. Interestingly enough tho, if
> a hub station pings another hub station, the arp shows up on the
> switch debug console - it is definitely seeing the traffic!
>
> Any suggestions would be greatly appreciated.
>
> Thanks!
>
> Don Dettmore
> CCNP, MCSE, CNE
>
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