spanning tree - RSTP / MSTP use cases and best practices - Network ...
Feb 15, 2022 · Three MSTP instances (one for each of the rings: A, B and C) - VLANs 2/22 mapped to each instance. First question here - should MSTP instances map different VLAN numbers to them …
Multiple spanning tree terminology (CST/IST/CIST) and exact behavior
Mar 16, 2016 · All of the other spanning tree instance information is contained in MSTP records (M-records), which are encapsulated within MST BPDUs. Because the MST BPDU carries information …
MSTP and Rapid-PVST+ - Network Engineering Stack Exchange
Mar 14, 2019 · The best way (IMHO) is using Layer3 communication (routing, not switching) between two networks origins from two different organization and built with different vendors. But if you need …
Maximum switch using RSTP or MSTP - Network Engineering Stack …
Jul 16, 2024 · RSTP and MSTP can support up to 40 switches It's not about the number of switches but about the diameter, the maximum number of hops between any two nodes. You can easily run a …
Using MSTP with RSTP - Network Engineering Stack Exchange
One of the important concepts in MSTP is the MSTP region, which is a set of directly connected MSTP switches with the same configuration (digest). MSTP rules apply only to the region and intra-regional …
spanning tree - MSTP with different VLANs blocking port - Network ...
In order for MSTP to split VLAN traffic across redundant trunks you need to configure MSTP instances within a region. The switches exchange config digests that need to match . Otherwise, all switches …
spanning tree - MSTP Path Selection Issue in Ring Topology (Juniper ...
May 13, 2025 · I'm currently setting up a prototype ring (or small mesh) network using MSTP, and I'm running into an issue with path selection. The network consists of three switches: Switch N: Juniper …
How fast can STP, RSTP, and MSTP find a new route?
Oct 20, 2016 · If I have two switches connected redundantly and both are capable of using STP, RSTP, or MSTP, how quickly can an alternate route be detected and normal communication resume if the …
MST Spanning Tree BPDU`s - Network Engineering Stack Exchange
Jun 22, 2015 · The short answer is that MSTP actually uses a special instance in addition to the user defined ones to handle all MSTP control traffic, called the Internal Spanning Tree instance (IST0).
MSTP: same VLANs in different regions - Network Engineering Stack …
May 9, 2020 · MSTP (and all STP versions) is to prevent routing loops, not separate VLANs. VLANs are separated by routers (layer-3 devices). You can have the same VLAN number on different router …