6 – Port ConfigurationTesting a Port59183-01 A 6-13A6.6.2Offline Tests for PortsAn offline test is a disruptive test that exercises the port connections. You mustplace the port in the diagnostics state using the Set Port command before startingthe test. There are two types of offline test: internal loopback and externalloopback. An internal loopback test exercises the internal port connections. An external loopback test exercises the port and its transceiver. Atransceiver with a loopback plug is required for the port.The following example performs an offline test:SANbox #> admin startSANbox (admin) #> set port 1 state diagnosticsSANbox (admin) #> test port 1 offline internalA list of attributes with formatting and current values will follow. Enter a newvalue or simply press the ENTER key to accept the default value. If you wish toterminate this process before reaching the end of the list press 'q' or 'Q' andthe ENTER key to do so.LoopCount (decimal value, 1-4294967295) [429496729]FrameSize (decimal value, 40-2148) [256 ]DataPattern (32-bit hex value or 'Default') [Default ]StopOnError (True / False) [True ]LoopForever (True / False) [False ]Do you want to start the test? (y/n) [n] yThe test has been started.A notification with the test result(s) will appearon the screen when the test has completed.SANbox (admin) #>Test for port 1 Passed.When the test is complete, remember to place the port back online.SANbox (admin) #> set port 1 state online
