laptop fails to "hear" replies
Lloyd Kvam
lkvam at venix.com
Wed Jul 30 14:59:53 EDT 2008
On Wed, 2008-07-30 at 14:37 -0400, Kevin D. Clark wrote:
> Lloyd Kvam writes:
>
> > That timing is right on. However, it needs to be a problem triggered by
> > the laptop. I hit this problem on the road. How would the laptop force
> > the port to be disabled?
>
> Were you running any programs on your laptop that could have emitted
> some strange network traffic?
I don't think so. This was occurring at boot, trying to reach the DHCP
server.
>
> Some manufacturers offer features on their switches that will shunt a
> port if it detects any strange network traffic. For example, it is
> possible to configure ports on such switches to shutdown if they see
> incoming STP or DHCP-reply traffic on "end-user" ports.
The other factor is that tcpdump at the DHCP server showed the incoming
requests and the outgoing replies. tcpdump on the laptop only showed
the outgoing requests.
I appreciate the interest. The laptop is now running Ubuntu (and
booting OK), so I can not troubleshoot that problem anymore.
>
> Regards,
>
> --kevin
--
Lloyd Kvam
Venix Corp.
1 Court Street, Suite 378
Lebanon, NH 03766-1358
voice: 603-653-8139
fax: 320-210-3409
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