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
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vlan vlan-id |
The VLAN identifier for the STP instance. |
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ports port-list |
The STP ports. |
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stp-state Disabled|Discarding|Learning|Forwarding |
The forwarding state. |
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role Disabled|Root|Designated|Alternate|Backup |
The port role. |
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selected-role Disabled|Root|Designated|Alternate|Backup |
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 |
The port state machine state. |
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designated-priority designated-priority-string |
The designated priority vector. |
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port-priority port-priority-string |
The port priority vector. |
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message-priority message-priority-string |
The message priority vector. |
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info-is disabled|received|mine|aged |
The origin of the port information. |
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designated-times designated-times-string |
The designated times: age, max age, hello, forward delay |
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port-times port-times-string |
The port times: age, max age, hello, forward delay. |
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message-times message-times-string |
The message times: age, max age, hello, forward delay. |
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hello-timer hello-timer-number |
The hello time value. |
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topology-timer topology-timer-number |
The topology timer value. |
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forward-timer forward-timer-number |
The forward timer value. |
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rcvd-info-timer rcvd-info-timer-number |
The received info timer value. |
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recent-root-timer recent-root-timer-number |
The recent root timer value. |
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recent-backup-timer recent-backup-timer-number |
The recent backup timer value. |
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edge-delay-timer edge-delay-timer-number |
The edge delay timer value. |
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migration-timer migration-timer-number |
The migration timer value. |
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sm-table-bits sm-table-bits-number |
The state machine table state. |
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sm-table sm-table-string |
The state machine table description |
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vlag-peer-port vlag-peer-port-number |
The VLAG peer port if it is an active-active VLAG. |
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peer|no-peer |
The STP peer state. |
Defaults None.
Access CLI
History
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Version 2.4.1 |
Command introduced. |
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