Description

 Is port-mirroring supported on a sub-interface on SRX300 series and how to verify?

Solution

Yes, port mirroring is supported on sub-interfaces of the SRX300 series.


root@testSRX> show forwarding-options port-mirroring

 Instance Name: &global_instance

 Instance Id: 1

 Input parameters:

  Rate         : 1

  Run-length      : 0

  Maximum-packet-length : 0

 Output parameters:

  Family       State  Destination     Next-hop

  inet        up    ge-0/0/3.0     20.0.0.10


root@testSRX> show version

 Hostname: testSRX

Model: srx345

 Junos: 22.2R1.9

Modification History

2025-07-30 : Article Created