[vox-tech] Another Round of eth0 Problemas

[Jeff Newmiller]

On Wed, 2 Mar 2005, Karalius, Joseph wrote:

> OK. I installed a working NIC from another box (it is a 10/100 so I
> insmodded 3c509 to get it going) and got the card to run for about 45
> minutes, then the same problems started up again.  So I'm guessing we can
> rule out hardware or driver?

Until you swap out the switch, you can't rule out hardware.

> Observations:
> I have an HTML redirect pointing to the main Plone site, and Apache serves
> that up (maybe a cached copy?), but then I get the IE error page 'The page
> cannot be displayed' for the Plone site. Zope doesn't seem to respond.  When
> this happens my PuTTY terminal usually stays connected.
> 
> Sometimes I'll try to load the same page and the redirect does not load nor
> do any Apache or Zope served pages, and the PuTTY connection gets dropped.
> 
> A third time I loaded up the Zope Managment Interface (ZMI) which is a
> frames page and I'll get 1 of the 3 frames to load, the other two have the
> 'The page cannot be displayed' error, which seems to indicate that Zope is
> running but can't completely serve up the request.  PuTTY stays connected.

Each page is loaded via a different TCP connection.  What are the tcp and
ethernet error counts doing on your client machine when you do that?

> Software issue?  
> 
> I check and re-check running processes using top and webmin 'Running
> Processes' module, but nothing seems to pop up.
> 
> What types of things could bring down a NIC frequently/temporarily and?  The
> card function returns after a while without me having to ifdown/ifup.

bad switch.

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