[j-nsp] SRX 3400 maximum number of concurrent NAT sessions

Adam Vitkovsky Adam.Vitkovsky at gamma.co.uk
Tue May 31 04:02:46 EDT 2016


Hi folks,

I’d like to confirm whether I’m looking at the right number.
I’d like to understand the limitations of  a SRX3400 in terms of maximum number of concurrent NAT sessions.

Datasheet lists:
Maximum concurrent sessions 2.25 (3 million with Additional Extreme License).


show security flow cp-session summary
node0:
--------------------------------------------------------------------------
Maximum sessions: 2359296

However on this output I see only 500K on (SPU Cp-Flow) and 1M+ on (SPU Flow):
> show security flow session summary
node0:
--------------------------------------------------------------------------
Flow Sessions on FPC1 PIC0:
Maximum-sessions: 524288 <<<
Flow Sessions on FPC2 PIC0:
Maximum-sessions: 1048576


So is it actually good for 2M or just 1.5 concurrent NAT sessions please?
I'd appreciate any pointers
Thank you.


adam








        Adam Vitkovsky
        IP Engineer

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