Specifications

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Rev. 9.41 Module 5 – 151
MSTP regions
A group of switches that collectively define multiple instances is called an MSTP
region.
Within the same region, each switch must have the following configuration attributes
in common:
 Configuration name
 Configuration revision number
 Associations between VLANs and MSTP instances
When configuring MSTP on your network, you should be aware that each switch can
belong to only one MSTP region. For example, Switch A is in the MSTP region shown
below. This switch cannot support another MSTP instance, unless you configured that
instance on the other switches in the same MSTP region.
For HP Internal Use Only