Term
spanning-tree mode {pvst |
rapid-pvst | mst} |
|
Definition
Global configuration command to set the STP
mode. |
|
|
Term
spanning-tree [vlan vlan-number]
root primary |
|
Definition
Global configuration command that changes this
switch to the root switch. The switch’s priority is
changed to the lower of either 24,576 or 4096 less
than the priority of the current root bridge when
the command was issued. |
|
|
Term
spanning-tree [vlan vlan-number]
root secondary |
|
Definition
Global configuration command that sets this
switch’s STP base priority to 28,672. |
|
|
Term
spanning-tree [vlan vlan-id] {priority
priority} |
|
Definition
Global configuration command that changes the
bridge priority of this switch for the specified
VLAN. |
|
|
Term
spanning-tree [vlan vlan-number]
cost cost |
|
Definition
Interface subcommand that changes the STP cost to
the configured value. |
|
|
Term
spanning-tree [vlan vlan-number]
port-priority priority |
|
Definition
Interface subcommand that changes the STP port
priority in that VLAN (0 to 240, in increments of
16). |
|
|
Term
channel-group channel-groupnumber
mode {auto | desirable |
active | passive | on} |
|
Definition
Interface subcommand that enables EtherChannel
on the interface. |
|
|
Term
|
Definition
Interface subcommand that enables PortFast on the
interface. |
|
|
Term
| spanning-tree bpduguard enable |
|
Definition
Interface subcommand that enables BPDU Guard on
an interface. |
|
|
Term
| spanning-tree portfast default |
|
Definition
Global command that changes the switch default
for PortFast on access interfaces from disabled to
enabled. |
|
|
Term
spanning-tree portfast bpduguard
default |
|
Definition
Global command that changes the switch default for
BPDU Guard on access interfaces from disabled to
enabled. |
|
|
Term
| no spanning-tree portfast default |
|
Definition
Global command that changes the global setting for
PortFast to disabled. |
|
|
Term
no spanning-tree portfast
bpduguard default |
|
Definition
Global command that changes the global setting for
BPDU Guard to disabled. |
|
|
Term
| spanning-tree portfast disable |
|
Definition
Interface subcommand that disables PortFast on the
interface. |
|
|
Term
| spanning-tree bpduguard disable |
|
Definition
Interface subcommand that disables BPDU Guard
on an interface. |
|
|
Term
|
Definition
Lists details about the state of STP on the
switch, including the state of each port. |
|
|
Term
| show spanning-tree interface interfaceid |
|
Definition
Lists STP information only for the specified
port. |
|
|
Term
| show spanning-tree vlan vlan-id |
|
Definition
| Lists STP information for the specified VLAN. |
|
|
Term
| show spanning-tree [vlan vlan-id] root |
|
Definition
Lists information about each VLAN’s root or for
just the specified VLAN. |
|
|
Term
show spanning-tree [vlan vlan-id]
bridge |
|
Definition
Lists STP information about the local switch for
each VLAN or for just the specified VLAN. |
|
|
Term
| show spanning-tree summary |
|
Definition
Lists global STP settings for a switch, including
the default PortFast and BPDU Guard settings,
and the VLANs for which this switch is the root
switch. |
|
|
Term
| debug spanning-tree events |
|
Definition
Causes the switch to provide informational
messages about changes in the STP topology. |
|
|
Term
show spanning-tree interface type
number portfast |
|
Definition
Lists a one-line status message about PortFast on
the listed interface. |
|
|
Term
show etherchannel [channel-groupnumber]
{brief | detail | port | portchannel
| summary} |
|
Definition
Lists information about the state of
EtherChannels on this switch. |
|
|
