TCP Problem ?

[Graham Chapman <gjchap@xxxxxxx>]

Hi..    

 I have a 'small' problem with TCP on a model 500 (V3R7) and was wondering
if anyone else has encountered it. Yesterday one of our Ethernet LANs
crashed. Actually we traced it back to to AS/400 and found that the
*ETHLIND had varied off and could not be restarted. I re-IPLed the IOP
which brought it back alive but everytime I tried to start TCP over this
line, it varied off again. The line has sinced assumed a FAILED state and
the messages in the joblog suggest an internal system failure.
I also tried ending and restarting TCP but the ENDTCP job has now been
active for 24 hours!   
It's worth pointing out also that, owing to security requirements, we are
not allowed an ECS connection to IBM so I cannot send any APAR data
electronically. Before preparing any APAR on tape I thought it worthwhile
to ask everyone their valued opinion.

PS. I have also found a WRKPRB entry predating this problem by 2 days for a
LIC program failure for #F2FEXC. This could be the root of my problem...        

TIA

Graham 



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