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max-hops
This command configures the maximum number of hops in the region before a
BPDU is discarded. Use the
no
form to restore the default.
Syntax
max-hops
hop-number
hop-number - Maximum hop number for multiple spanning tree.
(Range: 1-40)
Default Setting
20
Command Mode
MST Configuration
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
Console(config-mstp)#max-hops 30
Console(config-mstp)#
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)
Example
This example disables the spanning tree algorithm for port 5.
Console(config)#interface ethernet 1/5
Console(config-if)#spanning-tree spanning-disabled
Console(config-if)#
33-11
max-hops
33