[iyonix-support] Re: Iyonix network lock out
- From: dave higton <davehigton@xxxxxxxxxxxxx>
- To: iyonix-support@xxxxxxxxxxxxx
- Date: Tue, 10 Apr 2012 12:35:57 +0100
Quoting Alan Adams <alan@xxxxxxxxxxxxxxxx>:
> > In article <9b33e57d52.Alan.Adams@xxxxxxxxxxxxxxxxxxxxxxx>,
> > Alan Adams <alan@xxxxxxxxxxxxxxxx> wrote:
> >> Let's see if I understand your setup.
> >
> >> There's a cable broadband connection to a modem. The modem connects to
> >> a router. All your machines connect to the router.
> >
> >> The cable connection is flaky.
> >
> >> Pulling the cables out anywhere doesn't simulate the fault.
> >
> > Correct.
> >
> >> When the cable connection goes down your Iyonix freezes, if, and only
> >> if, it was using the connection at the time.
> >
> > Sometimes the Iyonix freezes completely, sometimes its network interface
> > becomes unusable but the machine can still be used. Sometimes it behaves
> > like the other machines.
> >
> >> The other machines do what in this situation? wait? report error?
> >
> > Time out and then report they can't lookup the hostname or can't connect
> > to the host.
> >
> > They will still be able to ping each other and the router, sometimes
> > even the modem if that hasn't started to rebuild the connection yet (it
> > can take several minutes before the modem realises the CMTS has dropped
> > the connection).
> >
> > Oddly enough the connection is now nearing 48 hours of uninterrupted
> > uptime. It's really starting to look like the ISP has fixed things at
> > their end.
> >
> > Regards,
> > Frank
>
> How is your DNS configured on the iyonix?
>
> The way DNS works is that it always uses the first configured server
> unless it is unreachable, when it tries the next one. It should timeout
> after 2 minutes if there is no response. My suspicion is that it cannot
> connect to the first server, but fails to time-out the connection.
But that wouldn't explain a complete freeze.
Dave
---
To alter your preferences or leave the group,
visit //www.freelists.org/list/iyonix-support
Other info via //www.freelists.org/webpage/iyonix-support
List-related queries to iyonix-support-moderators@xxxxxxxxxxxxx
Other related posts:
