MST, defined by 802.1s standard, is an alternative of #202207081637 that maps multiple 202207061741# with similar topologies to a single 202207081445# instance. This drastically reduces the overal number of spanning tree instances which improves the traffic load balancing and network recovery time, as the set-up of the instance can be CPU-intensive.
Multiple Spanning Tree (MST)
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Spanning Tree Protocol (STP)
Since each 202207061741# on a switch had to have its own root, it scales real bad with switches with a lot of VLANs. The alternative of it is 202207122011#.