Date: Fri, 9 May 2003 09:24:12 -0500 (CDT) From: mark tinguely <tinguely@web.cs.ndsu.nodak.edu> To: Lars.Koeller@uni-bielefeld.de, silby@silby.com, tinguely@web.cs.ndsu.nodak.edu Cc: freebsd-questions@freebsd.org Subject: Re: Please, Urgent: Need ideas/help to solve PR bin/51586 Message-ID: <200305091424.h49EOCVe022225@web.cs.ndsu.nodak.edu> In-Reply-To: <200305091222.h49CM9j29360@rayadm.hrz.uni-bielefeld.de>
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It is interesting that your original problem report bin/51586 has problem with the same port (623) that is giving problems in this trace.: machine1 trace: 14:13:08.046004 vscan1.623 > odie.961: S 3379784543:3379784543(0) 14:13:08.046030 odie.961 > vscan1.623: S 2648818122:2648818122(0) ack 3379784544 (missing tcpdump entry of a SYN from vscan?) 14:13:11.038115 odie.961 > vscan1.623: S 2648818122:2648818122(0) ack 3379784544 14:13:11.044130 vscan1.623 > odie.961: S 3379784543:3379784543(0) 14:13:11.044147 odie.961 > vscan1.623: S 2648818122:2648818122(0) ack 3379784544 14:13:14.244139 vscan1.623 > odie.961: S 3379784543:3379784543(0) 14:13:14.244163 odie.961 > vscan1.623: S 2648818122:2648818122(0) ack 3379784544 and so on machine2 trace: 14:13:08.047366 vscan1623 > odie.961: S 3379784543:3379784543(0) 14:13:11.045502 vscan1623 > odie.961: S 3379784543:3379784543(0) 14:13:14.245542 vscan1623 > odie.961: S 3379784543:3379784543(0) and so on could there be something in your network that is eatting the port 623 packets? I would suggest crafting a connection from vscan1 port 623 to a port on odie and see if it can connect. A network analyzer or tcpdump from machine on the networks that vscan1 and odie are locate upon to see if the traffic made it over the router/switch/hub that is between these two devices. --Mark Tinguely.
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