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B-4
Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
OL-9285-05
Appendix B Troubleshooting Tools and Methodology
Using Cisco MDS 9000 Family Tools
FC Ping and FC Traceroute
Note Use the Fibre Channel ping and Fibre Channel traceroute features to troubleshoot problems with
connectivity and path choices. Do not use them to identify or resolve performance issues.
Ping and traceroute are two of the most useful tools for troubleshooting TCP/IP networking problems.
The ping utility generates a series of echo packets to a destination across a TCP/IP internetwork. When
the echo packets arrive at the destination, they are rerouted and sent back to the source. Using ping, you
can verify connectivity to a particular destination across an IP routed network.
The traceroute utility operates in a similar fashion, but can also determine the specific path that a frame
takes to its destination on a hop-by-hop basis.
license Enables license debugging.
logfile Directs the debug command output to a logfile.
module Enables module manager debugging.
ntp Enables NTP debugging.
platform Enables platform manager debugging.
port Enables port debugging.
port-channel Enables PortChannel debug.
qos Enables QOS Manager debugging.
radius Enables RADIUS debugging.
rib Enables RIB debugging.
rlir Enables RLIR debugging.
rscn Enables RSCN debugging.
scsi-target Enables scsi target daemon debugging.
security Enables security and accounting debugging.
snmp Enables SNMP debugging.
span Enables SPAN debugging.
svc Enables SVC debugging.
system Enables System debugging.
tlport Enables TL Port debugging.
vni Enables virtual network interface debugging.
vrrp Enables VRRP debugging.
vsan Enables VSAN manager debugging.
wwn Enables WWN manager debugging.
zone Enables zone server debugging.
Table B-1 Debug Commands (continued)
Debug command Purpose
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