set protocols spanning-tree rstp interface root-guard
- Tracy Yang (Unlicensed)
The set protocols spanning-tree rstp interface root-guard command is used to enable or disable root guard function for RSTP.
Command Syntax
set protocols spanning-tree rstp interface <interface-name> root-guard <true | false>
Parameter
Parameter | Description |
interface <interface-name> | Specifies the interface name. |
root-guard <true | false> | Enables or disables root guard function for RSTP. The value could be true or false.
By default, root guard function for RSTP is disabled. |
Usage Guidelines
If a port is enabled with the root guard function, its port role on all instances can only be the designated port. Once the port that is enabled with root guard receives BPDUs with a higher priority, the port enters the Discarding state and does not forward packets. If the port does not receive any BPDUs with a higher priority for a long time, the port automatically returns to the Forwarding state.
Example
- Enable root guard function for RSTP on port ge-1/1/1.
admin@Xorplus# set protocols spanning-tree rstp interface ge-1/1/1 root-guard true admin@Xorplus# commit
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