Cisco 9134 - MDS Multilayer Fabric Switch Troubleshooting Manual page 174

Initial Troubleshooting Checklist
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
Checklist
Check the physical media to ensure there are no damaged parts.
Verify that the SFP (small form-factor pluggable) devices in use are those authorized by
Cisco and that they are not faulty.
Verify that you have enabled the port by right-clicking the port in Device Manager and
selecting enable or by using the no shut CLI command.
Right-click the port in Device Manager or use the show interface CLI command to verify
the state of the interface. Refer to
operational state.
Verify that you if you have one host-optimized port configured as an ISL, you have not
connected to the other three ports in the port group.
Verify that no ports on a Generation 2 module are out of service.
Use the show running interface CLI command to view the interface configuration in Cisco SAN-OS
Note
Release 3.0(1) or later. The interface configuration as seen in the show running-config CLI command
is no longer consolidated.
Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
8-2
Table 8-1 for reasons why a port may be in a down
Chapter 8 Troubleshooting Ports
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