
6
CLI
Spanning Tree
Table 8: Spanning Tree
Function
Privilege
Description
Example
show spanning-tree
[instance <0-15>]
User EXEC
Show spanning-tree
instance information.
switch# show spanning-tree
instance 10
show spanning-tree
interfaces IF_PORTS
[instance <0-15>]
User EXEC
Show spanning-tree
instance information per
port.
switch# show spanning-tree
interface gi1 instance 10
show spanning-tree
User EXEC
Show spanning-tree infor-
mation.
switch# show spanning-tree
show spanning-tree
interfaces IF_PORTS
User EXEC
Show spanning-tree state of
one port.
switch# show spanning-tree
interface gi1
show spanning-tree
interfaces IF_PORTS
statistic
User EXEC
Show spanning-tree statis-
tics of one port.
switch# show spanning-tree
interface gi1 statistic
[no] spanning-tree
Admin EXEC
Enable or Disable Span-
ning-Tree Protocol.
switch# configure
switch(config)# spanning-tree
switch(config)# exit
spanning-tree bpdu (fil-
tering|flooding)
Admin EXEC
Specify the forwarding
action of BPDU to filtering
or flooding.
switch# configure
switch(config)# spanning-tree
bpdu filtering
switch(config)# exit
no spanning-tree bpdu
Admin EXEC
Restore to default BDPU
action. Default action is
flooding.
switch# configure
switch(config)# no spanning-
tree bpdu
switch(config)# exit"
spanning-tree mode
(stp|rstp|mstp)
Admin EXEC
Specify the mode to Span-
ning Tree Protocol.
Specify the mode to Rapid
Spanning Tree Protocol.
Specify the mode to Multi-
ple Spanning Tree Protocol.
switch# configure
switch(config)# spanning-tree
mode stp
switch(config)# exit
no spanning-tree force-
version
Admin EXEC
Restore to default stp ver-
sion. Default stp version is
rstp.
switch# configure
switch(config)# no spanning-
tree force-version
switch(config)# exit
spanning-tree priority
<0-61440>
Admin EXEC
Specify the bridge priority;
must use multiples of 4096.
switch# configure
switch(config)# spanning-tree
priority 16384
switch(config)# exit
no spanning-tree priority Admin EXEC
Restore to default priority.
Default priority is 32768.
switch# configure
switch(config)# no spanning-
tree priority
switch(config)# exit
spanning-tree hello-time
<1-10>
Admin EXEC
Specify the hello-time inter-
val (seconds).
switch# configure
switch(config)# spanning-tree
hello-time 5
switch(config)# exit