Brocade Communications Systems StoreFabric SN6500B Troubleshooting Manual page 50

3
4. Enter the portErrShow command; then, check for errors that can cause login problems. A
5. Enter the portFlagsShow command; then, check to see how a port has logged in and where a
6. Enter the portLogDumpPort portid command where the port ID is the port number; then, view
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Device login issues
In some cases, you may find that the port has been locked as an L_Port and the device
attached is a fabric point-to-point device such as a host or switch. This would be an incorrect
configuration for the device and therefore the device cannot log into the switch.
To correct this type of problem, remove the Lock L_Port configuration using the portCfgDefault
command.
switch:admin> portcfgshow
Ports of Slot 0 0
-----------------+--+--+--+--+----+--+--+--+----+--+--+--+----+--+--+--
Speed AN AN AN AN
Trunk Port ON ON ON ON
Long Distance .. .. .. ..
VC Link Init .. .. .. ..
Locked L_Port .. .. .. ..
Locked G_Port .. .. .. ..
Disabled E_Port .. .. .. ..
ISL R_RDY Mode .. .. .. ..
RSCN Suppressed .. .. .. ..
Persistent Disable.. .. .. ..
NPIV capability ON ON ON ON
where AN:AutoNegotiate, ..:OFF, ??:INVALID,
SN:Software controlled AutoNegotiation.
steadily increasing number of errors can indicate a problem. Track errors by sampling the port
errors every five or ten minutes until you see the problem occur again.
login failed (if a failure occurred):
switch:admin> portflagsshow
Port SNMP Physical
-------------------------------
0 Offline In_Sync
1 Online In_Sync
LOGIN NOELP LED ACCEPT
2 Offline No_Light
3 Offline No_Module
4 Offline No_Module
5 Offline No_Light
6 Offline No_Module
7 Offline No_Module
8 Offline No_Light
9 Offline No_Light
10 Offline No_Module
11 Offline No_Module
12 Offline No_Module
13 Offline No_Module
14 Online In_Sync
LOGIN NOELP LED ACCEPT
15 Online In_Sync
LED
the device-to-switch communication.
switch:admin> portlogdumpport 8 | more
time task
1 2 3 4 5 6 7
AN AN AN AN
ON ON ON ON
.. .. .. ..
.. .. .. ..
.. .. .. ..
.. .. .. ..
.. .. .. ..
.. .. .. ..
.. .. .. ..
.. .. .. ..
ON ON ON ON
Flags
PRESENT U_PORT LED
PRESENT ACTIVE F_PORT G_PORT U_PORT LOGICAL_ONLINE
PRESENT U_PORT LED
PRESENT U_PORT LED
PRESENT U_PORT LED
PRESENT U_PORT LED
PRESENT U_PORT LED
PRESENT U_PORT LED
PRESENT U_PORT LED
PRESENT U_PORT LED
PRESENT U_PORT LED
PRESENT U_PORT LED
PRESENT U_PORT LED
PRESENT U_PORT LED
PRESENT ACTIVE F_PORT G_PORT U_PORT LOGICAL_ONLINE
PRESENT ACTIVE E_PORT G_PORT U_PORT SEGMENTED LOGIN
event port cmd args
Fabric OS Troubleshooting and Diagnostics Guide
8 9 10 11 12 13 14 15
AN AN AN AN AN AN AN AN
ON ON ON ON ON ON ON ON
.. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. ..
ON ON ON ON ON ON ON ON
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