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Allied Telesis AT-8100 Series User Manual

Page 867

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AT-8100 Switch Command Line User’s Guide

867

An MSTP region can be considered as a virtual bridge. The implication is
that other MSTP regions and STP and RSTP single-instance spanning
trees cannot discern the topology or constitution of an MSTP region. The
only bridge they are aware of is the regional root of the CIST instance.