144 Command Reference
fctrace
Description Displays the path from an initiator device port in the fabric to a target device port in the same zone.
To trace the path between two initiator ports, you must disable the I/O StreamGuard feature. Use the
set config port command to change the IOStreamGuard parameter.
Path information includes the following:
• Domain IDs
• Inbound port name and physical port number
• Outbound port name and physical port number
Authority None
Syntax
fctrace [port_source] [port_destination] [hop_count]
Operands
[port_source]
The Fibre Channel port from which to begin the trace. [port_source] can have the following
formats:
• 6-character hexadecimal device Fibre Channel address (hex). Enter addresses with or without
the “0x” prefix.
• 16-character hexadecimal world wide port name (WWPN) with the format
xx:xx:xx:xx:xx:xx:xx:xx or xxxxxxxxxxxxxxxx.
[port_destination]
The Fibre Channel port at which to end the trace. [port_destination] can have the following
formats:
• 6-character hexadecimal device Fibre Channel address (hex). Enter addresses with or without
the “0x” prefix.
• 16-character hexadecimal world wide port name (WWPN) with the format
xx:xx:xx:xx:xx:xx:xx:xx or xxxxxxxxxxxxxxxx.
[hop_count]
Maximum number of hops before stopping the trace. If you omit [hop_count], 20 hops is used.
Examples The following is an example of the fctrace command:
8/20q FC Switch#> fctrace 970400 970e00 hops 5
36 bytes from 0x970400 to 0x970e00, 5 hops max
Domain Ingress Port WWN Port Egress Port WWN Port
------ ---------------- ---- --------------- ----
97 20:04:00:c0:dd:02:cc:2e 4 20:0e:00:c0:dd:02:cc:2e 14
97 20:0e:00:c0:dd:02:cc:2e 14 20:04:00:c0:dd:02:cc:2e 4
See also fcping, page 143
ping, page 174
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