[c-nsp] Catalyst 3750G + Broadcom NIC issues

[Colin Whittaker]

Sounds like you might be hitting CSCea77032 or something very like it.

Regards,

Colin

On Mon, Jan 10, 2005 at 09:29:19PM +1100, Tristan Gulyas wrote:
> Howdy all,
> 
> I've run into a little issue of late with Cisco 3750G-24T and -24TS 
> switches and Broadcom NeXtreme Gigabit controllers supplied onboard the 
> Compaq d530 small form factor systems under Linux.
> 
> The issue: machines lose link and the NIC freezes up after a few days of 
> inactivity.  Reloading the module (which shuts down the controller and 
> restarts it) seems to help.  I even had an issue the other day where the 
> switch would not provide link at all unless the port was set to 100mbit and 
> that didn't last long, either.
> 
> Cabling is freshly unpacked Cat5e - I've had no troubles with the same 
> cable drop on my PowerBook G4.
> 
> These problems are not present on the 6500 10/100 or Gigabit-capable blades 
> we also connect to, nor the 10Mbit HP hubs we have lying around.
> 
> I've tried manual and automatic settings but with no avail.  Reloading the 
> switch doesn't help.
> 
> I've seen the same results with 12.2(2)SE3, a beta of 12.2(25)SE and 
> 12.1(19)EA1.
> 
> Configuration from the switch ports is as follows:
> 
> Linux console simply reports:
> 
> tg3: eth0: Link is down.
> 
> Card in kernel reports:
> 
> eth0: Tigon3 [partno(BCM95782A50) rev 3003 PHY(5705)] (PCI:33MHz:32-bit) 
> 10/100/1000BaseT Ethernet 00:0e:7f:2a:34:43
> 
> No changes occur at either end that seem to trigger this.
> 
> Any help or suggestions would be appreciated.
> 
> thanks,
> 
> .t
> 
> PS. If anyone has used any of the new Fluke network assistant devices with 
> these switches and has had issues obtaining link for more than 2 seconds, 
> let me know... 
> 
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-- 
Colin Whittaker    colin.whittaker at heanet.ie    Tel: +353 1 6609040
HEAnet NOC         noc at heanet.ie                iNOC-DBA:  1213*752