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spinSilk
1-415
Telnet Commands
At each pass, the frame is created from a different data type. There are
seven data types:
If seven passes are requested, the seven different data types are used
in the test. If eight passes are requested, the first seven frames use
unique data types, and the eighth is the same as the first.
spinSilk Modes There are the test modes. These modes can be used together to test
specific ports.
◆ Loopback mode
◆ SFP mode
LoopBack Mode Four loopback modes can be used when executing the
spinSilk
command. The modes are specified by entering:
◆ 0 for cable mode. This loopback mode is the default mode and
tests only M-to-N connections. It requires that the user connect a
cable from one port to a different port.
◆ 1 for singleportalso loopback mode. This lb_mode tests M-to-N
and M-to-M connections.
If M-to-N cable connections are used, the
spinsilk command
operates identically in lb_mode
0 and lb_mode 1.
If M-to-M
loopback plugs are used with SPLB mode disabled the
spinsilk command will circulate frames between pairs of
M-to-M connected ports as follows:
P1 TX >>> P1 RX -> P2 TX >>> P2 RX -> P1 TX
where:
>>> is a cable or internal loopback
-> is a routing table entry
1.CSPAT: 0x7e, 0x7e, 0x7e, 0x7e, ...
2.BYTE_LFSR: 0x69, 0x01, 0x02, 0x05, ...
3.CHALF_SQ: 0x4a, 0x4a, 0x4a, 0x4a, ...
4.QUAD_NOT: 0x00, 0xff, 0x00, 0xff, ...
5.CQTR_SQ: 0x78, 0x78, 0x78, 0x78, ...
6.CRPAT: 0xbc, 0xbc, 0x23, 0x47, ...
7.RANDOM: 0x25, 0x7f, 0x6e, 0x9a, ...