Very weird VLAN issue (not 100% sure where to pinpoint the issue...)

All,

I am having a very weird issue with one VLAN.

The Infrastructure consists of two 10G Switches with MLAG, two Uplink Switches (uplink using 2x 10G LACP to the MLAG Switches), a NetApp (Interface connected using LACP to the MLAG Switches) and seven Servers (active/backup to the MLAG Switches).

Now... I have a VM in VLAN 1001 connecting to a NFS Share on an interface on that same VLAN.

After ~2-3min it looks like the traffic is disrupted (i.e.: hangs). Funny enough... I don't see any...

Read more