McDATA ULTRANETTM EDGE STORAGE ROUTER 3000 - Manual (Page 323)

13
Troubleshooting and Diagnostics 13-11
User Interface Commands for the UltraNet Edge 3000
Reference. The following sections highlight the commands useful for
troubleshooting.
fcxl2 dump backbone This command displays the state of the Fibre Channel backbone for
the FCXL2 interface.
tm.0x10> fcxl2
fcxl21.0x10> dump backbone
Example of the fcxl2 dump backbone command screen display showing
a good connection:
Instance 1 Device 0:
Backbone for instance 1 is bound using local LUA 0x10
remote LUA 0x20
to interface TankTrsp
E_Port interface is in passthrough mode
connection is up - READY
batching limit is - 3
flow control is OFF
NOTE: Passthrough mode indicates that you have a good E_port connection.
Example of the fcxl2 dump backbone command screen display showing
a missing connection:
Instance 1 Device 0:
Backbone for instance 1 is bound using local LUA 0x10
remote LUA 0x20
to interface TankTrsp
E_Port interface is in snoop mode
connection is up - READY
batching limit is - 3
flow control is OFF
NOTE: Snoop mode indicates that your E_port connection is down.
fcxl2 regs frame errors This command displays Fibre Channel error counters.
NOTE: Normal initialization of the Fibre Channel interface may log errors. If
the errors continue to increment, this indicates a problem.
fcxl2 stats backbone
Command
This command displays the status of the Fibre Channel backbone.