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[Archive][SRX] Information on Expanded Performance and Capacity License for SRX3x00 (SRX3K-EXTREME-LTU )

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Article ID: KB23853 KB Last Updated: 25 Jun 2020Version: 5.0
Summary:
This documents explains about the license : SRX3K-EXTREME-LTU
Symptoms:
The output of 'show system license usage' is always 0 for Licenses used:

SRX3X00.1> show system license usage
                         Licenses       Licenses      Licenses      Expiry
Feature name                 used      installed        needed
full-cp-key                     0              1             0      permanent
Solution:
The license acts as a key to increase the max cp-session value, which works after installing this license.

Note: A reboot is necessary to find the change on the device
Maximum concurrent sessions
2.25/ 6 million sessions *
* Additional Extreme License required for 6M sessions

See: SRX Specifications

Note the cp-session value (Maximum sessions) after installing the license :

Before Reboot :
root> show security flow cp-session summary

Valid sessions: 0
Pending sessions: 0
Invalidated sessions: 0
Sessions in other states: 0
Total sessions: 0
Maximum sessions: 2359296
Maximum inet6 sessions: 1179648
After Reboot :
root> show security flow cp-session summary

Valid sessions: 0
Pending sessions: 0
Invalidated sessions: 0
Sessions in other states: 0
Total sessions: 0
Maximum sessions: 6291456
Maximum inet6 sessions: 3145728
After installing the license, the cp-session capacity is enhanced by 2.67 times.
 
Modification History:
2020-06-25: Archived article.

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