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MSTP Multi-Process II

Latest reply: Jan 28, 2021 18:47:48 156 6 4 0

To understand the need for MSTP multi-process we ask ourselves the following question

What is achieved with MSTP Multi-process?

Figure 1 Application with both MSTP and STP/RSTP


On the network shown in Figure 1, MSTP multi-process is configured to implement the following:

  • Greatly improves applicability of STP to      different networking conditions.

To help a network running different spanning tree protocols run properly, you can bind the devices running different spanning tree protocols to different processes. In this manner, every process calculates a separate spanning tree.

  • Improves the networking reliability. For a      network composed of many Layer 2 access devices, using MSTP multi-process      reduces the adverse effect of a single node failure on the entire network.

The topology is calculated for each process. If a device fails, only the topology corresponding to the process to which the device belongs changes.

  • Reduces the network administrator workload during      network expansion, facilitating operation and maintenance.

To expand a network, you only need to configure new processes, connect the processes to the existing network, and keep the existing MSTP processes unchanged. If device expansion is performed in a process, only this process needs to be modified.

  • Implements separate Layer 2      port management

An MSTP process manages parts of ports on a device. Layer 2 ports on a device are separately managed by multiple MSTP processes.

In the next post we continue with the principles of the multi-process MSTP

Previous post MSTP Multi-Process I

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Created Jan 11, 2021 20:24:11 Helpful(0) Helpful(0)

good post
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lucian2003 Created Jan 12, 2021 18:40:06
Ballester Reply lucian2003  Created Jan 15, 2021 15:56:45
Created Jan 13, 2021 03:00:03 Helpful(0) Helpful(0)

Good stuff. There should be a dedicated thread collecting all these links in one place.
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lucian2003 Created Jan 13, 2021 13:44:03
Thanks for the suggestion  
Created Jan 28, 2021 18:47:48 Helpful(0) Helpful(0)

Great explanation!
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