SWITCHING LOOP

[Xyra]

Hello everyone,

Is it normal to experience a loop when our primary core switch is down even though we have a redundancy?
During a troubleshooting we rebooted the core switch and the MX went down at the same time. As we checked the logs, a lot of "loop" detection was seen in the logs.

Logs:

Here is our network diagram:

Thank you.

[CptnCrnch]

Does https://documentation.meraki.com/MX/Networks_and_Routing/MX_Layer_2_Functionality#Spanning_Tree_Prot... answer your question?

[Xyra]

Thank you, I will review this.

[PhilipDAth]

Yes.  This is the reason I only single connect MX to core switches.

[Xyra]

Thank you, Ill consider trying that, too.