Software Vesrion 1.2(1A) And Below - Cisco MDS 9000 Series Troubleshooting Manual

Chapter 3 Troubleshooting Switch Level Issues and Interswitch Connectivity
Using Port Debug Commands
S e n d 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 .
show hardware internal fc-mac2 port <port-num> flow-control
show hardware internal fc-mac2 port <port-num> config-reg
show hardware internal fc-mac2 port <port-num> mask-reg
show hardware internal q-engine status
show hardware internal q-engine som-status
show hardware internal packet-flow interface fc<module>/<port-num>
show port-config internal link-events
show port-config internal port-control
show port-config internal port-cfg-error

Software vesrion 1.2(1A) and below:

Use the following commands to get debug information for a FC module in an MDS 9509 or MDS 9216
switch:
show hardware internal fc-mac port <all-ports> error-statistics
show hardware internal q-engine error-statistics
show hardware internal q-engine intr-counts
show hardware internal fwd-engine 0 error-statistics
show hardware internal fwd-engine 1 error-statistics
show hardware internal fwd-engine 0 interrupt-counts
show hardware internal fwd-engine 1 interrupt-counts
show hardware internal up-xbar 0 error-statistics
show hardware internal up-xbar 0 interrupt-counts
show hardware internal down-xbar 0 error-statistics
show hardware internal down-xbar 0 interrupt-counts
show process exceptionlog
show hardware internal fc-mac port <port-num> portinfo
show hardware internal fc-mac port <port-num> stsreg
show hardware internal fc-mac port <port-num> stateinfo
show hardware internal fc-mac port <port-num> gbic-info
show hardware internal fc-mac port <port-num> statistics
show hardware internal fc-mac port <port-num> flow-ctrl-info
show hardware internal fc-mac port <port-num> config-registers
show hardware internal fc-mac port <port-num> maskreg
show hardware internal packet-flow fc <port-num>
show hardware internal packet-flow fc <port-num>
show process link-events
Cisco MDS 9000 Family Troubleshooting Guide
3-27
OL-5183-02, Cisco MDS SAN-OS Release 1.3