Ethereal-users: [Ethereal-users] Viewing this capture to help find the problem

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From: "Mark Holloway" <mholloway@xxxxxxxxxxxxxxxxxxx>
Date: Thu, 22 May 2003 12:02:41 -0700

I am having HUGE problems with TCP communications between an AS400 and Stratus (running VOS).  The Stratus has data it is sending to the AS400 on TCP port 22211.  I have confirmed the category 5 cable is good, the switch ports are good, and everything is set for 100 Full Duplex. 

 

I have posted a capture that is available for download (11MB) at http://www.markholloway.com/arclight.cap

 

I setup a mirror port on my Foundry switch and filtered the capture for host 10.11.2.4. 

 

10.11.2.4 = AS400
10.11.2.5 = STRATUS

 

I appreciate any help or feedback in regards to troubleshooting.  I have been trying to resolve this but I am stuck!  I had another guy run Sniffer on this capture and the Expert reporting shows long ack time and retransmitted packets.  I’m new to Ethereal, so I’m not sure of the best method to ‘search’ for anomalies.

 

Regards,

Mark Holloway

Sr. Network Engineer - Arclight Systems, LLC

702-253-3861 // mobile 702-349-6170