67
or
no qos priority
precedence
switch(config)# qos priority
precedence dscp-only
or
switch(config)# qos priority
precedence dscp-first
or
(Default)
switch(config)# no qos priority
precedence
39B
Spanning Tree Commands Set
Commands
Command
Level
Description
Default
Example
show
spanning-tree
Privileged
EXEC
Display a summary of the
spanning-tree states.
switch#show spanning-tree
spanning-tree
enable
or
no spanning-tree
Global
configuration
mode
Enable/disable spanning tree
Disable switch(config)#spanning-tree
enable
or
switch(config)#no
spanning-tree
spanning-tree
priority [0~61440]
Global
configuration
mode
Use the spanning-tree priority
global configuration command
to change the priority.
Priority must be a multiple of
4096
32768 switch(config)#spanning-tree
priority 4096
spanning-tree
max-age
[6~40seconds]
Global
configuration
mode
Use the spanning-tree max-age
global configuration command
to change the interval between
messages the spanning tree
receives from the root switch. If
a switch does not receive a
bridge protocol data unit
(BPDU) message from the root
switch within this interval, it
recomputed the Spanning Tree
Protocol (STP) topology.
20 sec switch(config)#spanning-tree
max-age 15
spanning-tree
hello-time
[1~10seconds]
Global
configuration
mode
Use the spanning-tree
hello-time global configuration
command to specify the interval
between hello bridge protocol
2 sec.
switch(config)#spanning-tree
hello-time 3