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  • Subject: Network Problems Big Time
  • From: "Murphy, Guy" <murphy@xxxxxxxxxxxxxxxxx>
  • Date: Tue, 10 Aug 1999 08:58:36 -0500

Title: Network Problems Big Time

        Our campus had a denial-of-service attack a week ago today.  Everyone is back to normal *except* our AS/400s.  We can connect to them by tcp/ip from within our vlan but we cannot get a reliable connection through the router.  Half of our 400 users come through the router and they cannot work.  IBM says that the router has been changed so that the tcp/ip packets are smaller than the tcp/ip packet header says they are, which is a protocol error.  The campus network dudes say this not happening.  To bolster their case they point out that no other machine on this router (and there are a lot of them) is having this problem.  They have a point.  We have an NT server on the same switch as our 400s and it's working just fine, which really p*sses me off.

        Has anyone else experienced this problem and what did you do about it.  We are at V4R3.

Guy Murphy - FACTS system
University of Illinois
217-333-8670



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