Command Line Interface
810 1553-KDU 137 365 Uen D 2006-06-16
Command Usage
An MSTI region is treated as a single node by the STP and RSTP protocols.
Therefore, the message age for BPDUs inside an MSTI region is never
changed. However, each spanning tree instance within a region, and the
internal spanning tree (IST) that connects these instances use a hop count
to specify the maximum number of bridges that will propagate a BPDU.
Each bridge decrements the hop count by one before passing on the BPDU.
When the hop count reaches zero, the message is dropped.
Example
7.15.15 spanning-tree spanning-disabled
This command disables the spanning tree algorithm for the specified interface.
Use the no form to reenable the spanning tree algorithm for the specified
interface.
Syntax
[no] spanning-tree spanning-disabled
Default Setting
Enabled
Command Mode
Interface Configuration (Ethernet, Port Channel)
Console(config-mstp)#max-hops 30
Console(config-mstp)#
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