Re: Networking after 7.5 -- MIDRANGE-L

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not knowing how your tcp is configured. i do see some tcp and ethernet ptf's out there. this one mentions not seeing packets.
some others mention hardware
i would suspect ibm support checked.

https://www.ibm.com/support/pages/ptf/MF70479

does not appear to be on the cumulative.

just spitballing here....
bryan

Justin Taylor wrote on 12/1/2022 10:00 AM:

I upgraded from 7.3 to 7.5 over the long holiday weekend while the rest of
the company was enjoying Thanksgiving. The upgrade completed without
issue, but I immediately began experiencing network slow-downs and
time-outs. I don't think I've had an ACS Verify Connection complete
successfully. Only IBMi is having an issue.

IBM support insists this isn't IBMi related, and it's just a coincidence
that it occurred with the 7.5 upgrade. Does anyone have any suggestions on
how I can troubleshoot this?

Here's what IBM support said based on packet traces:
"The IBM i is responding to the SYN with a SYN ACK but the Wireshark trace
doesn't show that the SYN ACKs are being received."

TIA

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