This article describes how we can clear the values listed in the output for "show security flow session summary"

Sample output:

root> show security flow session summary no-forwarding

Unicast-sessions: 1163

Multicast-sessions: 0

Services-offload-sessions: 0

Failed-sessions: 128221

Sessions-in-use: 1509

 Valid sessions: 1163

 Pending sessions: 0

 Invalidated sessions: 346

 Sessions in other states: 0

Maximum-sessions: 131072

If customer would like to clear the value, please use the command below:

clear security flow session all

To understand the output fields, refer the tech doc below:

https://www.juniper.net/documentation/us/en/software/junos/cli-reference/topics/ref/command/show-security-flow-session-summary-node.html