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Bring performance and reliability to your network with the Aruba Core, Aggregation, and Access layer switches. Discuss the latest features and functionality of the ArubaOS-Switch and ArubaOS-CX devices, and find ways to improve security across your network to bring together a mobile first solution.
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ArubaOS-CX VLAN mirroring

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  • 1.  ArubaOS-CX VLAN mirroring

    Posted Apr 12, 2021 11:22 AM
    I have a couple of ArubaOS-CX switches running OS version TL.10.04.3011. Currently I'm trying to find a way to use port mirroring with specific VLAN's defined as source. I know Cisco switches have this option for many years, but I can't find a way to configure it in ArubaOS-CX. So far I've only found options to mirror an entire physical or LAG interface. 
    Is there a way to only mirror a VLAN or a set of VLANs?

    Thank you.

    Martijn Noij

  • 2.  RE: ArubaOS-CX VLAN mirroring

    Posted Apr 13, 2021 12:43 PM
    This functionality is available starting 10.7 on some platforms, but not on 8320.

    Vincent Giles

  • 3.  RE: ArubaOS-CX VLAN mirroring

    Posted Oct 15, 2021 11:10 AM

    Why this functionality isn't available on 8320, it's a hardware limitation ?

    Geoffrey lepers

  • 4.  RE: ArubaOS-CX VLAN mirroring

    Posted Oct 16, 2021 05:17 AM
    Hi Geoffrey, it seems that - apart than dealing with an updated Aruba 8230 to be on the safe side (thus working with an ArubaOS-CX 10.7 or possibily at newer 10.8) - of the Aruba 83xx Switch series, only the Aruba CX 8360, speaking about system interfaces' mirroring feature, provides the additional [no] source vlan <VLAN-NUM> [rx|tx|both] CLI command which "Adds or removes VLAN as a source of traffic to be mirrored. More than one source VLAN can be configured in a mirror session. Each VLAN may specify its own direction." this as per latest Aruba AOS-CX 10.08 Monitoring Guide (83xx Switch Series).

    Davide Poletto

  • 5.  RE: ArubaOS-CX VLAN mirroring

    Posted Oct 16, 2021 05:41 AM
    Forgot to end my previous reply saying that, to me, it looks like more a software related restriction (a whole command or just an option not implemented) than a hardware one.

  • 6.  RE: ArubaOS-CX VLAN mirroring

    Posted Oct 18, 2021 03:17 AM
    Hi Parnassus,

    Thank you for your information, I hope that future version will allow to have this feature.

    Geoffrey lepers