Dell Brocade M5424 Brocade 7.1.0 Fabric OS Troubleshooting and Diagnostics Gui - Page 119
optical tests pass but the link test fails.
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Diagnostic Port (D_Port) 10 Example The following example shows the results of a portdporttest - -show output where the electrical and optical tests pass but the link test fails. switch:admin> portdporttest --show 10/39 D-Port Information: Slot: 10 Port: 39 Remote WWNN: 10:00:00:05:33:7e:69:c4 Remote port: 24 Mode: Manual No. of test frames: 12 Million Test frame size: 1024 Bytes Payload Pattern: JTSPAT FEC (enabled/option/active): Yes/No/No CR (enabled/option/active): No/No/No Start time: Mon Jan 16 05:57:51 2012 End time: Mon Jan 16 05:58:56 2012 Status: FAILED Test Start time Result EST(HH:MM:SS) Comments Electrical loopback05:57:52 PASSED -------- ---------- Optical loopback 05:58:06 PASSED --------- --------- Link traffic test 05:58:13 FAILED -------- See failure report Roundtrip link latency: 934 nano-seconds Estimated cable distance: 1 meters Buffers required: 1 (for 1024 byte frames at 16Gbps speed) Failure report: Errors detected (local): Errors detected (remote): CRC, Bad_EOF, Enc_out CRC, Bad_EOF Please use portstatsshow and porterrshow for more details on the above errors. Example Use the portDportTest - -show all command to display the capabilities and test results of all the D_Ports in a switch. switch:admin> portdporttest --show all Port State SFP Capabilities Test Result 24 ONLINE E,O PASS 26 ONLINE E,O RESPONDER 33 OFFLINE --- RESPONDER Fabric OS Troubleshooting and Diagnostics Guide 103 53-1002751-01