topic Re: RSPAN on EXOS in ExtremeSwitching (EXOS/Switch Engine)

RSPAN on EXOS

Amir90 — Tue, 14 Jul 2026 13:58:38 GMT

Hi everyone,
I followed the configuration instructions in this post, but I still can't get RSPAN to work. Can anyone help, please?
https://extreme-networks.my.site.com/ExtrArticleDetail?an=000080241

Here is my topology and my configurations:

SW2:

create mirror Remote
configure mirror Remote to port 1 remote-tag 100
configure mirror Remote add port 4 ingress-and-egress
enable mirror Remote

SW-Mid:

create vlan remote-mirror
configure vlan remote-mirror tag 100 remote-mirroring
configure vlan remote-mirror add ports 1-2 tagged

SW1:

create vlan remote-mirror
configure vlan remote-mirror tag 100 remote-mirroring
configure vlan remote-mirror add ports 1 tagged
configure vlan remote_mirror add ports 5 untagged

I have Wireshark on analyzer PC and I can catch data when I set up SPAN but I cant capture any data when I set up RSPAN.

Any idea or any mistake I did here?

Re: RSPAN on EXOS

olivia55mix — Thu, 16 Jul 2026 10:33:16 GMT

Hello,
On SW2, you are mirroring port 4 to the remote VLAN, but make sure port 1 is actually connected to the RSPAN trunk path toward SW-Mid. The remote-tag setting only adds the VLAN tag; it does not automatically create the VLAN transport.

Best Regadrs

Re: RSPAN on EXOS

Amir90 — Fri, 17 Jul 2026 11:23:02 GMT

Hi,
thanks for your message. I also thought this could be a problem, so I created VLAN 100 on SW2 and added it as tagged on port 1, but that didn't help either.

Re: RSPAN on EXOS

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I tried your suggestion today, and the results were better than I expected. The instructions were simple, accurate, and easy to follow. Thank you for taking the time to share them.
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Re: RSPAN on EXOS

pelisflixhd — Wed, 29 Jul 2026 16:28:42 GMT

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Re: RSPAN on EXOS

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Re: RSPAN on EXOS

JackAlexxx — Fri, 31 Jul 2026 07:32:10 GMT

Thanks for sharing this technical explanation. It answered several questions I had, and the troubleshooting tips were straightforward enough for beginners while remaining useful for experienced users too.
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Re: RSPAN on EXOS

JackSmeth — Wed, 12 Aug 2026 13:59:32 GMT

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Re: RSPAN on EXOS

NonalKe — Tue, 25 Aug 2026 21:30:06 GMT

Hello, On SW2, you are mirroring port 4 to the remote VLAN, but make sure port 1 is actually connected…

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Re: RSPAN on EXOS

Michaelllll — Sun, 30 Aug 2026 20:27:30 GMT

I found the troubleshooting discussion helpful because it explains RSPAN clearly. The notes about VLAN tagging, trunk paths, and configuration details make diagnosing missing mirrored traffic much easier for beginners.
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Re: RSPAN on EXOS

KennethJack — Mon, 14 Sep 2026 22:26:53 GMT

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Re: RSPAN on EXOS

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Re: RSPAN on EXOS

Joshuaaaaa — Tue, 06 Oct 2026 22:18:24 GMT

I tried your suggestion today, and the results were better than I expected. The instructions were simple, accurate, and easy to follow. Thank you for taking the time to share them.
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Re: RSPAN on EXOS

swatchserieshd — Mon, 19 Oct 2026 12:16:36 GMT

Thanks for explaining the RSPAN setup on EXOS. I’m comparing remote mirroring options for troubleshooting and would appreciate any notes about configuration limits, supported models, and practical examples from experience.
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Re: RSPAN on EXOS

swatchserieshdt — Mon, 19 Oct 2026 12:58:36 GMT

I’m troubleshooting a similar remote mirroring setup and found this discussion helpful. It’s interesting how a small VLAN tagging or port configuration detail can prevent packets from reaching the analyzer. I’ll double-check the configuration on each switch.
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Re: RSPAN on EXOS

ymovieshd — Fri, 23 Oct 2026 18:16:48 GMT

Thanks for sharing the configuration details and troubleshooting discussion. Remote traffic mirroring can be tricky when several switches are involved, so checking VLAN tagging, trunk connectivity, and the mirror destination seems like a sensible starting point.
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