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I can't find any documentation supporting spanning-tree capabilities on SRX devices. I'm running a virtual image, which I thought was more-or-less the vSRX:

root> show version           
Model: firefly-perimeter
JUNOS Software Release [12.1X47-D20.7]

But no commands like show spanning-tree bridge are available. So either (a) I have the wrong virtual image, or (b) the SRX doesn't support spanning-tree features, which I kind of find hard to believe?

... or (c) I just don't know what command I really want.

1 Answer 1

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The vSRX doesn't support switching features, so the answer is:

(b) the SRX doesn't support spanning-tree features.

vSRX is designed to be a virtual firewall, therefore it doesn't need "switching". It's only the physical SRX devices, that support switching. Take a look at this product datasheet from Juniper, it lists all of the available features on that platform.

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  • Thanks! Do you know if an image exists to mimic a physical SRX?
    – ctote
    Jun 18, 2015 at 14:31
  • 1
    There is no official image, but you can find guides on how to create an "Olive" image.
    – Indigo
    Jun 18, 2015 at 14:35

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