5 – Diagnostics/TroubleshootingPower-On Self Test Diagnostics5-8 59096-06 ASE_Port IsolationA Logged-In LED error indication is often the result of E_Port isolation. E_Portisolation can be caused by the following: Security failure A port configured as FL_Port is connected to another switch Conflicting domain IDs Conflicting timeout values Conflicting zone membership between active zone setsUsing QuickTools, review the event browser, and do the following to diagnose andcorrect an isolated E_Port:1. Does the event browser show an alarm about an invalid attach on theaffected port? Yes - If device security is configured, review the ISL group in the activesecurity set to ensure that the membership includes the necessaryports and that the secrets on all switches are correct. No - Continue.2. Does the event browser show a repeating alarm about an unsupportedE_Port command on the affected port? Yes - The port is configured as an FL_Port and connected to anotherswitch. Correct the port connection or the port type. No - Continue.3. Display the fabric domain IDs using the Show Domains command, or clickthe Switch tab and Summary icon in QuickTools. Are all domain IDs in thefabric unique? Yes - Continue. No - Correct the domain IDs on the offending switches using the SetConfig Switch command. Reset the port. If the condition remains,continue.