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- Get the current time
- Get the number of flows
- Wait 2 minutesX minutes, for example 2 or 60
- Get the current time
- Get the number of flows
- Do some math, subtract second flow number from first flow number, that is the number of flows for 2 X minutes, divide by 120 X * 60 (so the number of seconds) and you have the number per second. Doing this over more time will give you a better idea of the overall number, it is suggested that you wait much more than 2 minutes
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router> show clock 11:57:51.155 AEST Wed Apr 2 2014 |
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meatball>sh ip flow export Flow export v9 is enabled for main cache Export source and destination details : VRF ID : Default Destination(1) 192.168.1.7 (12345) Destination(2) 192.168.1.42 (12345) Version 9 flow records 25717645 flows exported in 890173 udp datagrams 0 flows failed due to lack of export packet 0 export packets were sent up to process level 0 export packets were dropped due to no fib 1 export packets were dropped due to adjacency issues 0 export packets were dropped due to fragmentation failures 0 export packets were dropped due to encapsulation fixup failures |
Figure Our clock difference was almost exactly 2 minutes, so we will use that number in the example for our calculations.
To figure out flows / 2 min or flows / second:
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