Yes port mirroring is supported on all Arista devices. On some models you can also apply filters and sending mirrored traffic to CPU.
For configuration step, see the EOS manual at the chapter “Configuring ports”, which is chapter 17 at the time of writing, then under “Port mirroring”.
You can find supported features per platform at this link:
We are using Arista DCS-7124SX-F with EOS version 4.13.16M. We want to use port mirroring. Is it possible to have multiple destinations mapped to the same source? I did try it but it didn’t work, so wanted to know if it is expected work and I was doing something wrong.
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