Hi,
I have a problem with Spanning-tree on mixed brand switch
FOR RESUME :
There is one C3850 (SW1) using only spanning tree and 2 Siemens Scalance Switch (SW2 and SW3)
In the configuration below, SW3 manage "Alternate port" between SW3/SW2
C3850...
On C3850 by default, SW3 manage the alternate port between (SW2/SW3).
When i disconnect the patch between SW1/SW2, it's always the root;I reconnect the patch, SW3 disconnect directly (before the connection is ok between SW1/SW2)SW2 is isolate (SW...
OK, but is the simple drawing with for identical VLAN, there is 4 different loop with scalance connected on this network. There is no risk to define on each subloop a Root ?