HP ProCurve 2910al Series Installation And Getting Started Manual page 69

Tip Problem
➐
The port may be Use the switch console to see if the port is part of a dynamic trunk (through the LACP
improperly feature) or to see if Spanning Tree is enabled on the switch, and to see if the port may
configured, or have been put into a "blocking" state by those features. The show lacp command displays
the port may be in the port status for the LACP feature; the show spanning-tree command displays the port
a "blocking" status for Spanning Tree.
state by the
Also check the Port Status screen using the show interfaces command to see if the port
normal operation
has been configured as "disabled".
of the Spanning
Other switch features that may affect the port operation include VLANs and IGMP. Use
Tree, LACP, or
the switch console to see how the port is configured for these features.
IGMP features.
For software troubleshooting tips, see the chapter "Troubleshooting" in the Management
and Configuration Guide, which is on the ProCurve Website at
manuals.
Make sure also, the device at the other end of the connection is indicating a good link to
the switch. If it is not, the problem may be with the cabling between the devices or the
connectors on the cable.
➑
An RPS is Check the RPS unit to make sure it is plugged in to an active power source. If this is ok
connected but but the LEDs are still blinking, the power supply in the RPS unit may have failed. Try
the switch has reversing R1 and R2 power cords. Also check the log files of the connected switch for
experienced a more information. This condition can also be caused by an RPS unit fan failure or an over
fault. temperature condition. If necessary to resolve the problem, contact your ProCurve
authorized LAN dealer, or use the electronic support services from ProCurve to get
assistance. See the Customer Support/Warranty booklet for more information.
➒
An EPS is Check the EPS unit to make sure it is plugged in to an active power source. If this is ok
connected but but the LEDs are still blinking, the power supply in the EPS unit may have failed. Try
the switch has reversing EPS1 and EPS2 power cords. Also check the log files of the connected switch
experienced a for more information. This condition can also be caused by an RPS unit fan failure or an
fault. over temperature condition. If necessary to resolve the problem, contact your ProCurve
authorized LAN dealer, or use the electronic support services from ProCurve to get
assistance. See the Customer Support/Warranty booklet for more information.
➓
Expansion al Check the rear of the switch. Check the module LEDs for indications. This will only occur
module is during an initialization self test.
plugged in but
has experienced
a fault.
Diagnosing with the LEDs
Solution
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Troubleshooting
4-7