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Contents
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Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
OL-9285-05
Special Frame Misconfiguration Example 20-33
Troubleshooting FCIP Link Flaps 20-34
Troubleshooting FCIP ISL Link Failures 20-34
Troubleshooting FCIP and Compression 20-35
iSCSI Issues 20-35
Troubleshooting iSCSI Authentication 20-35
Displaying iSCSI Authentication Using Fabric Manager 20-36
Displaying iSCSI Authentication Using the CLI 20-36
Troubleshooting User Name and Password Configuration 20-37
Verifying iSCSI User Account Configuration Using Fabric Manager 20-37
Verifying iSCSI User Account Configuration Using the CLI 20-37
RADIUS Configuration Troubleshooting 20-38
Verifying RADIUS Key and Port for Authentication and Accounting 20-38
Troubleshooting RADIUS Routing Configuration 20-40
Displaying the Debug Output for RADIUS Authentication Request Routing Using the CLI 20-40
Troubleshooting Dynamic iSCSI Configuration 20-41
Checking the Configuration 20-41
Performing Basic Dynamic iSCSI Troubleshooting 20-41
Useful Show Commands to Debug Dynamic iSCSI Configuration 20-42
Virtual Target Access Control 20-43
Useful Show Commands to Debug Static iSCSI Configuration 20-43
iSCSI TCP Performance Issues 20-48
CLI Commands Used to Access Performance Data 20-49
Understanding TCP Parameters for iSCSI 20-49
Lab Setup 20-50
Configuring from the Bottom Switch Using the CLI 20-50
Verifying Connectivity Between Client and IPS iSCSI Service 20-51
TCP Parameter Changes 20-54
Displaying the Gigabit Ethernet Interface 20-54
Verifying that the Host Is Configured for High MTU or MSS with the CLI 20-57
iSLB Issues 20-58
iSLB Configuration Not Distributed to All Switches in the Fabric 20-58
iSCSI Initiator and Virtual Target Configuration Not Distributed 20-59
iSLB Configuration, Commit, or Merge Failed—”VSAN ID is Not Yet Configured” 20-59
iSLB Configuration, Commit, or Merge Failed—”Failed to Allocate WWN” 20-60
iSLB Configuration, Commit, or Merge Failed—”Duplicate WWN Found as...” 20-60
iSLB Configuration, Commit, or Merge Failed—”Duplicate Node Name” 20-60
iSLB Configuration Failed—”Pending iSLB CFS Config Has Reached Its Limit...” 20-61
iSCSI Disable Failed—”Cannot Disable Iscsi - Large Iscsi Config Present...” 20-61