Need to know wether 2930f support vsf on 1gig.
The answer to your question is no.
VSF can be achived only using 10gig and 40gig.
I think 1Gbit can be used for VSF. In the past this didn't work but since the latest firmware release (WC.16.04.0010) it should. I haven't test this myself.
Copy from the release notes.
Symptom: The switch fails to form a VSF stack when using a 1G connection for a VSF switch link.
Scenario: The switch fails to form the VSF stack when the VSF link is configured for a 1G interface. The standby switch reboot process triggered by the stack role election process hangs at "Initializing…"., while the commander switch reports a warning event log message similar to: I 01/01/90 00:04:00 03279 stacking: ST1-CMDR: Member 2 (941882-11c860) chosen as standby.Reason: Only available standby W 01/01/90 00:06:03 03838 chassis: ST1-CMDR: Co-Processor failed to boot. Timeout reached: System initialization failure
Workaround: Configure the VSF link on 10G interfaces.
Aruba 2930F Switch Series do support VSF on 1G and 10G interfaces. You can use RJ45 1G ports or 1G SFP, or 10G SFP+ to support VSF stacking. The reference here to an issue in one particular release, which is about to be fixed with a new release.
They have always been able to stack with 1G ports, as long as VSF has been supported.
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