tracking bursty traffic with the firewall

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tracking bursty traffic with the firewall

L3 Networker

Dear community!


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?


Thank you!


Cyber Elite
Cyber Elite


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. 

Cyber Elite
Cyber Elite


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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