I had a similar issue when RC6 was released and disabling jumbo frames as recommended on this post sorted that out.
However, I just upgraded to RC7 and soon found that none of my VMs had any networking. I stopped the array and explicitly set MTU to be 1500 and the problem went away once things were started up again.
Maybe this will help someone else if they have already disabled jumbo frames but left the MTU field blank to let Unraid apply the default.
Network issues starting with 6.12
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in Prereleases
Posted · Edited by jeremy.markel
I had a similar issue when RC6 was released and disabling jumbo frames as recommended on this post sorted that out.
However, I just upgraded to RC7 and soon found that none of my VMs had any networking. I stopped the array and explicitly set MTU to be 1500 and the problem went away once things were started up again.
Maybe this will help someone else if they have already disabled jumbo frames but left the MTU field blank to let Unraid apply the default.