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5 – Diagnostics/Troubleshooting
POST Diagnostics
59021-08 B 5-7
D
5.1.2.1
E_Port Isolation
A Logged-In LED error indication is often the result of E_Port isolation. An isolated
E_Port is indicated by a red link in the SANbox Manager topology display. E_Port
isolation can be caused by the following:
FL_Port is connected to another switch
Conflicting domain IDs
Conflicting timeout values
Conflicting zone membership between active zone sets
Refer to the SANbox2-8c/16 Switch Management User’s Guide for information
about how to change domain IDs, timeout values, and edit zoning.
Review the event browser and do the following to diagnose and correct an
isolated E_Port:
1. Does the event browser show a repeating alarm about an unsupported
E_Port command on the affected port?
Yes - The port is configured as an FL_Port and connected to another
switch. Correct the port connection or the port type.
No - Continue.
2. Display the fabric domain IDs using the Show Domains command or the
Switch data tab in the SANbox Manager topology display. Are all domain IDs
in the fabric unique?
Yes - Continue.
No - Correct the domain IDs on the offending switches using the Set
Config Switch command or the SANbox Manager Switch Properties
window. Reset the port. If the condition remains, continue.
3. Compare the RA_TOV and ED_TOV timeout values for all switches in the
fabric using the Show Config Switch command or the Switch data tab of the
SANbox Manager topology display. Is each timeout value the same on every
switch?
Yes - Continue.
No - Correct the timeout values on the offending switches using the
Set Config Switch command or the SANbox Manager Switch
Properties dialog. Reset the port. If the condition remains, continue.