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arp inspection limit

jonmmyers
Level 1
Level 1

Can anyone help explain to me the way that arp inspection packet per second limiting works when enabling burst. For example, if my config is "ip arp inspection limit rate 25 burst 3", does the switch check every three seconds to see if arp packets were beyond the threshold every second of that interval? Is it simply checking every three seconds to see if the total arp packets are above 75 for the entire interval? Is it checking every three seconds or every second for the prior three second interval?

I am having a consistent issue with multiple devices in one building violating our arp packet per second limit.  Is anyone else using a burst interval, and have you come across any client hardware that consistently violates the pps limit? What is your pps limit?

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