07-19-2021 08:19 AM
I´m seeing in the interfaces the "rcv_fifo_overrun" counter increasing quite a lot and I´d like to find out what´s the root cause. Is there a reliable way to verify in the firewall if the reason of this counter to increase is some bursty traffic or anything else?
07-19-2021 10:06 AM
The rcv_fifo_overrun counters are essentially always buffer shortages due to bursty traffic. There's really not a great way to track this directly on the firewall outside of the counters.
07-19-2021 10:17 AM
Netflow might be able to help you. If you dont have a netflow server, there are free options available. This way you'll know the endpoint causing the burst.
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