Sunday, January 17, 2021

BFD “Session admindown” drops

I am investigating an issue with a trunk that has been bouncing recently. We have had telco dispatch to both ends to clean, pad, and reseat fiber but the issue still persists.

In my investigation I have been benchmarking the numbers on the “sh bfd drops” command. I have noticed that consistently the “session admindown” drops are going up the most.

I have not been able to find anything useful as far as definition for this particular type of drop. I am curious what are session admindown drops and what are some situations that could cause them?

tl/dr: what are the session admindown drops that are displayed when running the sh bfd drops command?



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