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Is there any issue if I enable storm control broadcat in all port of the switch.
Also what is the best value of storm control broadcast level value???
Yes, there can be an issue since networks use broadcasts legitimately. Broadcast storm control shouldn't be considered a tuning option, but an option to preclude total network meltdown. For latter usage, the network might not work too well when storm control engages, but you might still be able to examine the network (in-band) and mitigate the issue.
Best value varies. Since broadcasts are legitimate, you might analyze your network to baseline what the broadcast volume is, then add some fudge factor. Hopefully, this will then only have storm control engage when something is amiss. Of course, you also then want to continuously monitor your network, as "routine" broadcast volume can change overtime if network usage changes.
