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Dell PowerEdge M420 Manual
Rev 1.00
5
Troubleshooting
This section provides troubleshooting information for common error conditions. If the described
procedure does not solve the problem, please contact your Dell representative for assistance.
Please use the following table to identify the required correctional operation:
Table 6 - Error Conditions and Correctional Operation
Error Condition
10GbE PTM power LED does not turn on See
Downlink connection to a blade server
does not come up
Uplink connection to remote switch does
not come up
Unable to connect to 10GbE PTM10GbE
PTM CLI
10GbE PTM CLI hangs during operation See
10GbE PTM software update procedure
fails
5.1

Resolving 10GbE PTM Power Problems

Make sure the system is powered on.
Take out the 10GbE PTM, wait for 10 seconds and plug it back in.
5.2

Resolving Link Connectivity Problems

1. Check that external cables and/or optical modules are properly inserted.
2. Make sure the cables/modules are supported by the 10GbE PTM.
3. Log in to 10GbE PTM CLI and run the "show port link" command. Check the status of the
downlink and uplink in the relevant port – see
a. If a blade is inserted but not recognized by the 10GbE PTM – restart the network device in the blade and
check again. Reboot the blade if the problem is not resolved.
b. If an Ethernet NIC or switch is connected to an 10GbE PTM external port but the link is down for the
10GbE PTM external port – check cables/modules connectivity in the external device and reboot the exter-
nal device if not resolved.
If none of the above resolves the issue – reboot the 10GbE PTM through the CMC CLI using the
following command:
24
Correctional Operation
Section 5.1, "Resolving 10GbE PTM Power Problems,"
on page 24
Section 5.2, "Resolving Link Connectivity Problems," on
See
page 24
Section 5.2, "Resolving Link Connectivity Problems," on
See
page 24
Section 5.4, "Resolving CLI Connectivity Problems," on
See
page 25
Section 5.5, "Recovery From Non-Responsive 10GbE
PTM CLI," on page 25
Section 5.6, "Recovery From a Software Update Failure,"
See
on page 25
Section 3.7.2
Software User's Manual
for details.