Bit of a random question but I've had it a couple of times now so need to reach out for some advice.We have 6x SG500-52P switches in a stack via 5G SFPs which have worked great so far.  Into that we have Cisco 7841 PoE VOIP phones which via CDP get p...

Has anyone found a fix for this?  We purchased a SG300-52 last week to replace a 5yr old Dlink which has worked perfectly.  1 day after the SG300 went it it started crashing with this fatal error problem so I reverted the firmware back from 1.2.7.76 ...