Spanning Tree Protocol Commands
stp-modify
This command is used to configure Spanning Tree Protocol (STP).
Syntax stp-modify
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mst-config-name name-string |
Specify the name of the Multiple Spanning Tree (MST) configuration. |
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enable|disable |
Specify if you want to enable or disable STP. |
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stp-mode rstp|mstp |
Specify the STP mode as RSTP or MSTP. |
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Specify one or more of the following options: |
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bpdus-bridge-ports|bpdus-all-ports |
Specify if you want BPDU packets to bridge specific ports or all ports. |
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bridge-priority bridge-priority-number |
Specify the bridge priority. |
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hello-time seconds |
Specify the hello time in seconds. This is a value between 1 and 10 seconds. The default value is 2 seconds. |
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forwarding-delay seconds |
Specify the forwarding delay in seconds. This is a value between 4 and 30 seconds. |
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max-age seconds |
Specify the maximum age of the bridge. This is a value between 6 and 40 seconds. The default value is 20 seconds. |
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mst-max-hops number |
Specify the maximum hop count for MSTP BPDUs. The default value is 20 with a range of 1 to 32 hops. |
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mst-config-name mst-config-name-string |
Specify the name of the MST configuration instance. |
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mst-config-revision mst-config-revision-number |
Specify an MST revision number from 0 to 65535. |
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root-guard-wait-time seconds |
Specify the time to wait for root guard in seconds. The range is 0 (disable) to 300 seconds with a default value of 20 seconds. |
Defaults None.
Access CLI
History .
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Version 1.2 |
Command introduced. |
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Version 2.4 |
The parameters, mst-config, stp-mode, and mst-max-hops, added. |
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Version 3.0.0 |
The parameter, root-guard-wait-time, added. |
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Version 6.0.1 |
The parameter, mst-config-revision, mst-config-name, added. |
Usage STP is a standard inter-switch protocol 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 cause a decrease in network performance. If you are certain that your network is loop-free, you do not need to enable STP. Use this command to enable or disable STP on the network.
Examples To enable STP, use the following command:
CLI network-admin@switch > stp-modify enable