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4–Non-Interactive CommandsCommand SummarySN0054614-00 K 4-23DataSize (DS)For the loopback test, the data size specifies the data (frame payload) size inbytes. The data size is the actual data that is transferred during any given pass ofthe test.DS value>DataSize value>The valid data sizes are as follows: Read/write buffer test. The data size can be 8, 16, 32, 64, or 128 bytes.The default value is 128 bytes. Echo test. The data size can be 8, 16, 32, 64, 128, 256, 512, 1024, or 2048.The default size is 512. Loopback test (Windows, Solaris, and Macintosh systems). The datasize can be 8, 16, 32, 64, 128, 256, 512, 1024, or 2048. The default value is512 bytes. Loopback test (Linux systems). The data size can be 8, 16, 32, 64, 128,256, 512, 1024, 2048, 4096, 8192, 16384, 32768, or 65535. The defaultvalue is 512 bytes.TestCount (TC)The test count specifies the number of loopback tests:TC <param value>TestCount <param value>For a read/write buffer test, the number of tests run must be in the range of0–10000.For a loopback test, the number of tests run must be in the range of 0–65535.For both tests, a value of 0 indicates that the test runs continuously (it stopswhen you press ENTER). The default number of tests run is 500.TestIncrement (TI)The test increment for the loopback test is either of the following:TI <param value>TestIncrement <param value>For a read/write buffer test, the test increment must be in the range of 1–10000.For a loopback test, the test increment must be in the range of 1–65535.If the number of tests is continuous (see “TestCount (TC)” on page 4-23), the testincrement is automatically set to one of the following:
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