User`s guide

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RSTP will not be enabled if the router is in "Port Isolate" mode. If an Ethernet interface is
configured with a hub group, RSTP will be disabled on that interface.
Enable RSTP
Enables RSTP on the router.
Priority
Sets the RSTP priority.
Group
Sets the RSTP group that the router is in.
Related CLI Commands
Entity Instance Parameter Values
Equivalent Web
Parameter
stp 0 enable on, off Enable RSTP
stp 0 prio 0 – 65535 Priority
stp 0 group - Group
stp 0 debug 0, 1
Not available on the WEB
interface.
Port status
To view the status of RSTP/STP on a router’s Ethernet ports, the following commands can
be used.
stp show
Port 0, Designated, Forwarding ctrl2:0x6
Port 1, Backup, Discarding ctrl2:0x1
Port 2, Backup, Discarding ctrl2:0x1
Port 3, Disabled, Discarding ctrl2:0x1
The port roles are
Disabled There is nothing physically connected to this Ethernet port.
Root A forwarding port that has been elected for the spanning-tree topology,
towards the root bridge.
Designated A forwarding port for every LAN segment, away from the root bridge.
Alternate An alternate path to the root bridge. This path is different than using
the root port.
Backup A backup/redundant path to a segment where another bridge port
already connects.
The STP port states are:
Disabled The port is not functioning and cannot send or receive data.