What is the consensus on RPVST+ vs MST? We are doing a network refresh with two core switches in a hybrid collapsed core and distribution design. Original plan was to use HSRP on the core switches, create two MST instances, and load balance the VLANs across those instances & core switches.
Some info:
- Environment only has some 30 VLANs tops
- Upgrading to Catalyst 9300 & 9500s
- Currently running MST only using instance 0
- Not a lot of manpower on the network side - two admins (KISS very relevant)
- Might need to run a slit HP & Cisco environment during a slow rollout (might upgrade access switches first)
- Access switches will use StackWise
Some concerns:
- MST & StackWise: apparently vPC and MST don't play nice when adding a new VLAN, so not sure if there are similar concerns with StackWise
- Needless complexity - ability to bring less experienced admins into some network troubleshooting is ideal. MST requires more manual administration - assigning VLANs to instances, manual revisions, concept of IST 0, regions, etc. What do we gain in our environment? We have no CPU concerns given low number of VLANs. We are still able to load balance RPVST+ via HSRP & core switches.
Any input greatly appreciated.
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