Users Guide

A–Troubleshooting
Troubleshooting with a Diagnostic Port (D_Port)
122 CU0354604-00 R
To disable the diagnostic port, type the following commands:
Cisco#int fc 1/2
Cisco(config-if)# shut
Cisco(config-if)# no switchport link-diag
Cisco(config-if)# no shut
Checking D_Port Results from a Brocade Fibre Channel 16G
Switch
To view the D_Port test results from a Brocade Fibre Channel 16G switch:
1. To get the port number, issue the switchshow command:
# switchshow
The following example output identifies port 17:
17 17 011100 id N16 Online FC D-Port Loopback->Port 17
2. Issue the portdporttest command as follows:
# portdporttest --show <port_num>
For example:
# portdporttest --show 17
Following is an example output for this command.
portdporttest --show 17
D-Port Information:
===================
Port: 17
Remote WWPN: 21:00:00:0e:1e:11:4a:31
Mode: Automatic
No. of test frames: 1 Million
Test frame size: 1024 Bytes
FEC (enabled/option/active): Yes/No/No
CR (enabled/option/active): Yes/No/No
Start time: Thu Aug 14 01:45:37 2014
End time: Thu Aug 14 01:47:40 2014
Status: PASSED
==============================================================================
Test Start time Result EST(HH:MM:SS) Comments
==============================================================================
Electrical loopback 01:46:08 PASSED -------- ----------