stp-port-state-show
This command is used to display information about the state of Spanning Tree Protocol (STP) ports.
Syntax stp-port-state-show
|
vlan vlan-id |
Displays the VLAN identifier for the STP instance. |
|
ports port-list |
Displays STP ports. |
|
stp-state Disabled|Discarding|Learning|Forwarding |
Displays the forwarding state. |
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role Disabled|Root|Designated|Alternate|Backup |
Displays the port role. |
|
selected-role Disabled|Root|Designated|Alternate|Backup |
Displays the selected port role. |
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state new-info|proposing|proposed|agreed|agreed|learn|learning|forward|forwarding|reselect|selected|reroot|rcvd-bpdu|rcvd-msg|rcvd-tc|rcvd-tc-ack|send-rstp|tc-prop|tc-ack|update-info|sync|synced|disputed|fdb-flush|online|looping|manual-online|edge|vlag-local-up|vlag-remote-up|requested-online|first-sync|p-is-d|p-is-m|root-guard-active |
Displays the port state machine state. |
|
designated-priority designated-priority-string |
Displays the designated priority vector. |
|
port-priority port-priority-string |
Displays the port priority vector. |
|
message-priority message-priority-string |
Displays the message priority vector. |
|
info-is disabled|received|mine|aged |
Displays the origin of the port information. |
|
designated-times designated-times-string |
Displays the designated times: age, max age, hello, forward delay |
|
port-times port-times-string |
Displays the port times: age, max age, hello, forward delay. |
|
message-times message-times-string |
Displays the message times: age, max age, hello, forward delay. |
|
hello-timer hello-timer-number |
Displays the hello time value. |
|
topology-timer topology-timer-number |
Displays the topology timer value. |
|
forward-timer forward-timer-number |
Displays the forward timer value. |
|
rcvd-info-timer rcvd-info-timer-number |
Displays the received info timer value. |
|
recent-root-timer recent-root-timer-number |
Displays the recent root timer value. |
|
recent-backup-timer recent-backup-timer-number |
Displays the recent backup timer value. |
|
edge-delay-timer edge-delay-timer-number |
Displays the edge delay timer value. |
|
migration-timer migration-timer-number |
Displays the migration timer value. |
|
sm-table-bits sm-table-bits-number |
Displays the state machine table state. |
|
sm-table sm-table-string |
Displays the state machine table description |
|
vlag-peer-port vlag-peer-port-number |
Displays the VLAG peer port if it is an active-active VLAG. |
|
peer|no-peer |
Displays the STP peer state. |
Defaults None.
Access CLI
History Command introduced in Version 2.4.1.
Usage STP is a standard inter-switch protocol is used to ensure that an ad hoc network topology is loop-free at Layer 2, on a per VLAN basis. If your network connections form loops, and STP is disabled, packets recirculate between the switches and causes a decrease in network performance. If you are certain that your network is loop-free, you do not need to enable STP. One drawback of STP is that it does not allow for Layer 2 multipathing and may result in suboptimal utilization of available network links. Therefore, a fabric of Pluribus Networks switches does not use STP within the boundaries of the fabric. The use of STP is recommended for ad hoc networks that interoperate in a heterogeneous, multi-vendor switch environment. Use this command to enable or disable STP on the network.
Examples To display STP port state information, use the following command:
CLI network-admin@switch > stp-port-state-show