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3-13 MSTP
The implementation of MSTP is according to IEEE 802.1Q 2005 Clause
13 – Multiple Spanning Tree Protocol. MSTP allows frames assigned to different
VLANs to follow separate paths, each based on an independent Multiple Spanning
Tree Instance (MSTI), within Multiple Spanning Tree (MST) Regions composed of
LANs and or MST Bridges. Proper configuration of MSTP in an 802.1Q VLAN
environment can ensure a loop-free data path for a group of vlans within an MSTI.
Redundant path and load balancing in vlan environment is also achieved via this
feature. A spanning tree instance called CIST(Common and Internal Spanning
Tree) always exists . Up to 64 more spanning tree instances (MSTIs) can be
provisioned.
3-13-1 Status
Function name:
MSTP State
Function description:
To enable or disable MSTP. And to select a version of Spanning Tree protocol
which MSTP should operate on.
Parameter description:
Multiple Spanning Tree Protocol:
Disabled / Enabled
Force Version:
STP / RSTP / MSTP
Fig. 3-153 MSTP State
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