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Message-Id: <313C5157.794B_at_numep1.phys.nwu.edu>
Date: Tue, 05 Mar 1996 08:36:07 -0600
From: "Todd K. Pedlar" <todd_at_numep1.phys.nwu.edu>
Reply-to: "Todd K. Pedlar" <todd_at_numep1.phys.nwu.edu>
Organization: Northwestern University
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To: alpha-osf-managers_at_ornl.gov
Subject: Re: [Fwd: Strange failings of internet services]
References: <313B85C6.41C6_at_numep1.phys.nwu.edu>
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Todd K. Pedlar wrote:
yesterday I wrote:
> Subject: Strange failings of internet services
> Date: Mon, 04 Mar 1996 18:02:09 -0600
> Something very strange started happening today on one of our Alphas (only
> on one of the four). The internet services failed at one point today, so
> I reset them using /usr/sbin/rcinet restart. That was fine, for about five
> minutes, when it failed again. This has continued all day long - for about
> five minutes after an rcinet restart, the internet services go down. This
> is only happening to one of our machines, which I find most unusual. Now
> here is some background to let those gurus out there figure out what I've
> done.
>
> Today I reconfigured a machine (b.b.b.b, formerly b.b.b.a) which we used to have
> in the group to have a different IP address and of course a different name. The
> OLD IP address of this machine (b.b.b.b, formerly b.b.b.a) is the same as the one
> (currently called b.b.b.a) which is now failing .
>
> I only noticed the strange failing of internet services after I booted
> up the reconfigured old machine. Is there something that I might have done
> which has caused this problem?
>
> Todd
>
It turns out that the problem was in the subnet mask - I had previously
255.255.0.0 on the machine, and had to switch it to 255.255.255.0. Making
this switch immediately cured the problem.
Thanks for your help and suggestions, esp to:
Dave Golden <golden_at_falcon.invincible.com>
Tom Owano <owano_at_saha.stanford.edu>
Stam Nicolis <nicolis_at_chiral.phys.univ-tours.fr>
Knut Helleboe <Knut.Hellebo_at_nho.hydro.com>
Cheers,
Todd
__________________________________________________________________________
Todd K. Pedlar ! Phones: (847)491-8630 (708)840-5264
Northwestern University ! Fax: (847)491-8627
Particle Physics ! Email: todd_at_numep1.phys.nwu.edu
Fermilab Experiment E835 ! toddp_at_fnalv.fnal.gov
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Received on Tue Mar 05 1996 - 18:15:28 NZDT