How to connect 2 MX on a 2 MS CORE Switch without aggregate ?

[dimatt]

Hello,

I would like to do this configuration:

I have 2 MX for Wan redundancy, and a CORE STACK with 2 MS.

I need a trunk between the MX and MS because MX does inter-vlan routing.

How can i connect the stack to the 2 MX without creating a loop, because MX doesn't support aggregate ?

Thanks

[Brash]

If you cable the topology this way, it will work but spanning tree will disable one of the ports in order to prevent a loop (the MX will pass along the bpdu's).

[dimatt]

The 2 differents MX ports have the same MAC address ?

[ww · Accepted solution]

Trunk all ports with the same vlans to the switches.  Make sure the switches have the spaning-tree protocol  enabled on the ports to mx/other swtiches

https://documentation.meraki.com/MX/Networks_and_Routing/MX_Layer_2_Functionality#Spanning_Tree_Prot...)

https://documentation.meraki.com/MX/Deployment_Guides/MX_Warm_Spare_-_High_Availability_Pair#Fully_R...)

[dimatt]

thanks for the links.