Command Line Reference Guide

Defaults 20 hops
Command Modes MULTIPLE SPANNING TREE
Command History
Version 9.0(1.3) Introduced on the S5000.
Usage
Information
The max-hops command is a configuration command that applies to both the IST and all MST
instances in the MSTP region. The BPDUs sent out by the root switch set the remaining-hops
parameter to the configured value of max-hops. When a switch receives the BPDU, it
decrements the received value of the remaining hops and uses the resulting value as
remaining-hops in the BPDUs. If the remaining-hops reaches zero, the switch discards the
BPDU and ages out any information that it holds for the port.
msti
Configure multiple spanning tree instance, bridge priority, and one or multiple VLANs mapped to the MST instance.
S5000
Syntax
msti instance {vlan range | bridge-priority priority}
To disable mapping or bridge priority, use the no msti instance {vlan range |
bridge-priority priority} command.
Parameters
msti instance Enter the MSTP instance. The range is zero (0) to 63.
vlan range Enter the keyword vlan followed by the identifier range value. The
range is 1 to 4094.
bridge-priority
priority
Enter the keywords bridge-priority followed by a value in
increments of 4096 as the bridge priority. The range is zero (0) to
61440.
Valid priority values are: 0, 4096, 8192, 12288, 16384, 20480, 24576,
28672, 32768, 36864, 40960, 45056, 49152, 53248, 57344, and 61440. All
other values are rejected.
Defaults default bridge-priority is 32768.
Command Modes INTERFACE
Command History
Version 9.0(1.3) Introduced on the S5000.
Usage
Information
By default, all VLANs are mapped to MST instance zero (0) unless you use the vlan range
command to map it to a non-zero instance.
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