Dell 6.2 Troubleshooting RSTP

488| RST P DellPowerConnect W- Series ArubaOS 6.2 | User Guide
Feature DefaultValue/Range
PortFast Changefrom blockingto forwarding
Default:disabled
Point-to-Point Enabled—Setthe interface as a point-to-point link
In the CLI
Changethe default configurations via the command line.
(host) (config-if)#spanning-tree ?
cost Change an interface's spanning tree path cost
point-to-point Set interface as point-to-point link
port-priority Change an interface's spanning tree priority
portfast Allow a change from blocking to forwarding
Monitoring RS TP
Statistical information for point-to-point, role, BPDU etc. can be viewed from the WebUI (see Figure 149).
Figure 149: MonitoringRSTP
Troubleshooting RSTP
The followingpoints give some troubleshooting tips.
lThe show spantree command displays the root and the bridgei nformation;verify that they are correct. Also
displayed is the port/interfacei nformation(for example state, role, etc.); makes urethat the stat e androle
information correspondt o each other.
(host) (config) #show spantree
Designated Root MAC 00:0b:86:50:3c:20
Designated Root Priority 32768
Root Max Age 20 sec Hello Time 2 sec Forward Delay 15 sec