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Reference Guide

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N8406-023 1Gb Intelligent L3 Switch Browser-based Interface Reference Guide 139
MSTP/RSTP General Configuration
To display the following form, select Layer 2 > MSTP/RSTP > General.
The switch supports the IEEE 802.1w Rapid Spanning Tree Protocol (RSTP) and IEEE 802.1s Multiple
Spanning Tree Protocol (MSTP). MSTP allows you to map many VLANs to a small number of spanning tree
groups, each with its own topology.
You can configure up to 32 spanning tree groups on this switch. MSTP/RSTP is turned off by default.
The following table describes the MSTP/RSTP General Configuration controls:
Table 108 MSTP/RSTP General Configuration controls
Control
Description
Region Name
Configures a name for the MSTP region. All devices within a MSTP region must
have the same region name.
The Region Name can have a maximum of 15 characters.
Revision Level (0-65535)
Configures a version number for the MSTP region. The version is used as a
numerical identifier for the region. All devices within a MSTP region must have
the same version number. The revision level is between 0 and 65535. The
default is 1.
Max. Hop Count (4-60)
Configures the maximum number of bridge hops a packet may to traverse before
it is dropped. The range is from 4 to 60 hops. The default is 20.
MSTP/RSTP Mode
Selects either Rapid Spanning Tree Protocol (RSTP) or Multiple Spanning Tree
Protocol (MSTP).
The default mode is RSTP.
MSTP/RSTP State
Globally turns RSTP/MSTP on or off.
Note: When RSTP is turned on, the configuration parameters for STP group 1
apply to RSTP.
Default CIST
This button resets CIST general parameters to their default values.