Rapid Spanning Tree Protocol/Multiple Spanning Tree Protocol Configuration - HP 445860-B21 - 10Gb Ethernet BL-c Switch Command Reference Manual

Rapid Spanning Tree Protocol/
Multiple Spanning Tree Protocol configuration
Command: /cfg/l2/mrst
[Multiple Spanning Tree Menu]
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.
MSTP supports up to 32 Spanning Tree Groups on the switch (STG 32 is reserved for switch
management). MRST is turned off by default.
NOTE: When Multiple Spanning Tree is turned on, VLAN 1 is moved from Spanning Tree Group 1
to the Common Internal Spanning Tree (CIST). When Multiple Spanning Tree is turned off, VLAN 1
is moved back to Spanning Tree Group 1.
The following table describes the Multiple Spanning Tree Configuration Menu options.
Multiple Spanning Tree Configuration Menu options
Table 106
Command
cist
name <1-32
characters>
rev <0-65535>
maxhop <4-60>
mode rstp|mstp
on
off
cur
cist - Common and Internal Spanning Tree menu
name - Set MST region name
rev - Set revision level of this MST region
maxhop - Set Maximum Hop Count for MST (4 - 60)
mode - Spanning Tree Mode
on - Globally turns RSTP/MSTP ON
off - Globally turns RSTP/MSTP OFF
cur - Display current MST parameters
Description
Displays the Common Internal Spanning Tree (CIST) Menu.
Configures a name for the MSTP region. All devices within a MSTP region must have the same
region name.
Configures the revision level for the MSTP region. The revision level is used as a numerical
identifier for the region. All devices within a MSTP region must have the same revision level
number. The default value is 1.
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 value is 20.
Selects either Rapid Spanning Tree mode (rstp) or Multiple Spanning Tree mode (mstp). The
default mode is RSTP.
Globally turn RSTP/MSTP ON.
When RSTP is turned on, the configuration parameters for STP group 1 apply to RSTP.
NOTE:
Globally turn RSTP/MSTP OFF.
Displays the current RSTP/MSTP configuration.
Configuration Menu
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