now i must redesign my ISP network for RING and TREE topology.
In core we have Cisco 3750s Stack with 6switches and for secondary we have Cisco SG500X switches, topology in attach.
And now we have problem with Spanning-Tree because both IOS and SB has different services
What is best-practise for configuration of STP between this models?
I preffered RSTP but IOS switches has only RSTP per VLAN
I have a 3750X and an SG300 trunked together and they are both running RSTP.
I set my 3750X to rapid-pvst
I set my SG300 to rstp
A "show spanning" on both devices yields: "Spanning tree enabled protocol rstp".
Both seem to be communicating STP fine.
But probably all VLANs you must have in one instance ?
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