I hope someone could give me some recommendations, we are having a 100MB Layer 2 Ethernet Link installed within two sites. The plan is to have a 3750 at each end that will terminate to them. Until now the sites have been two completly seperate LANs connected together by MPLS Links (Routed)
As i understand it, A single instance of Spanning Tree will now be running across both networks with a single Root Bridge, we do not have the capability to run RPVST as we use HP switches at the access
One of my thoughts is to run MST at both sites, as all switches support this protocol, aswell as the capability to run two different regions, so one region for one site and another region for another - But this bring up a question... Both networks have been configured so a VLAN on one site matches the VLAN on another site - there is no dynamic VLAN assignment, its all assigned on a port basis. If we run two regions will the VLAN's be an issue and is this solution ideal? I have attached a Visio drawing of our proposed configuration
Site 1 - Running Region 1 Site 2 - Running Region 2
VLAN 10 VLAN10
VLAN 20 VLAN 20
VLAN 30 VLAN 30
If this sounds link the right configuration, is it just a case of configuring MST regions on both sites and then let it do the work?