10 messages in net.nether.puck.cisco-nsp[c-nsp] Network Analyser with n-way s...
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Thomas KernenJan 13, 2005 8:12 am 
Marty AdkinsJan 13, 2005 9:22 am 
Ignas BagdonasJan 13, 2005 4:28 pm 
Ted MittelstaedtJan 14, 2005 12:52 am 
Gert DoeringJan 14, 2005 3:15 am 
Thomas KernenJan 14, 2005 8:12 am 
Thomas KernenJan 14, 2005 8:12 am 
Thomas KernenJan 14, 2005 8:12 am 
Ted MittelstaedtJan 15, 2005 3:35 am 
Thomas KernenJan 16, 2005 5:10 am 
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Subject:[c-nsp] Network Analyser with n-way supportActions...
From:Ignas Bagdonas (in-c@ib.sc.vu.lt)
Date:Jan 13, 2005 4:28:24 pm
List:net.nether.puck.cisco-nsp

Currently debugging an issue with autonegociation (n-way) between 2 network devices for which it appears that neither vendor can solve the issue directly. We are now trying to locate an analyser that will allow us to sniff the n-way negociation from both devices but without the ports on the analyser doing their own negociation with the end devices, so basically I'm looking for a "pass through" analyser.

One option could be Tektronix 6000, I recall seeing somewhere a module for protocol intelligence, but that might not be the right solution, it is a perfect tool for messing with PHYs, but too dumb for anything above. I would suggest taking two ordinary ethernet interfaces for PC and tap their RX pairs onto the line between your devices. I use Intel 545s in this way for testing some devices under development, with analyser host running Linux with slightly modified driver for reporting what is happening on the line.

Ignas