For WAAS Capacity Planning I'm trying to work out a way to gather WAAS appliance and module TFO connection statistics over time for each device. I'm looking to gather the number of TFO connections at regular intervals to allow us to get an accurate picture of the current WAAS capacity utilisation. The central manager reports a "The TFO accelerator is overloaded (connection limit)" when the maximum TFO connection limit for a devices is exceeded but it does not tell you the number of connections that exceeded the limit on the box.
But it does not allow reporting of this statistic as far as I can work out.
If you run "show stat conn" on a WAAS device it gives you the "Current Active Optimized Flows", but this is the current number of flows and not the maximum number of TFO connections reached since the counters were last cleared?
Current Active Optimized Flows: 3258
Current Active Optimized TCP Plus Flows: 812
Current Active Optimized TCP Only Flows: 2453
Current Active Optimized TCP Preposition Flows: 0
Current Active Auto-Discovery Flows: 411
Current Reserved Flows: 99
Current Active Pass-Through Flows: 540
Historical Flows: 532
Does anyone know anyway of anyway to either manually gather this statistic from a WAAS appliance or module? Or poll this statistic from a monitoring system like Solarwinds?
I believe the "show statistics tfp detail", under the "Policy Engine Statistics" section, then "Rejected Connection Counts Due To: (Total: xx)", you have "Connection Limit", which shows the number of connections been rejected by TFO duo to reaching the device connection limit isnt this what you are looking for?
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