Re: Flapping Transport

[Mel Beckman <mel () beckman org>]

 Ask them for an RFO report. They should be able to explain the diagnostics and reason for the original flapping. It's 
quite possible they found a problem somewhere on the path with a DWDM multiplexor or something. That wouldn't need any 
card replacement on your prem.

 -mel
________________________________
From: NANOG <nanog-bounces+mel=beckman.org () nanog org> on behalf of Mike Hammett <nanog () ics-il net>
Sent: Tuesday, August 1, 2023 11:18 AM
To: NANOG <nanog () nanog org>
Subject: Flapping Transport

I have a wave transport vendor that suffered issues twice about ten days apart, causing my link to flap a bunch. I put 
in a ticket on the second set of occurrences. I was told that there was a card issue identified and would be notified 
when the replacement happened. Ticket closed.

Three weeks later, I opened a new ticket asking for the status. The new card arrived the next day, but since no more 
flaps were happening, the card would not be replaced. Ticket closed.


A) It doesn't seem like they actually did anything to fix the circuit.
B) They admitted a problem and sent a new card.
C) They later decided to not do anything.


Is that normal?
Is that acceptable?


To avoid issues flapping causes, I disabled that circuit until repaired, but it seems like they're not going to do 
anything and I only know that because I asked.



-----
Mike Hammett
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