IBM 2109 Service Guide - Page 119

cmemRetentionTest, cmiTest, crossPortTest

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switch: admin> centralMemoryTest Running Central Memory Test ... passed. Figure 47. centralMemoryTest command example Related error messages: DIAG-CMBISTRO, DIAG-CMBISRF, DIAG-LCMTO, DIAG-LCMRS, DIAG-LCMEM, DIAG-LCMEMTX, DIAG-CMNOBUF, DIAG-CMERRTYPE, DIAG-CMERRPTN, DIAG-PORTABSENT, DIAG-BADINIT, DIAG-TIMEOUT. cmemRetentionTest Figure 48 shows the cmemRetentionTest command, which is used to verify that data written into the SRAMs that make up the central memory are retained and that data bits do not drop when read after some amount of delay since the write operation. Attention: This command cannot be performed on an operational switch. Before issuing the cmemRetentionTest command, disable the switch by using the switchDisable command. Disabling the switch halts all operation on the switch. switch:admin> cmemRetentionTest Running cmemRetention Test .. passed. Figure 48. cmemRetentionTest command example Related error messages: DIAG-LCMEM, DIAG-LCMRS, DIAG-LCMTO. cmiTest Figure 49 shows the cmiTest command, which verifies that control messages are correctly sent from any ASIC to any ASIC. It also tests that the checksum check is OK. Attention: This command cannot be performed on an operational switch. Before issuing the cmiTest command, disable the switch by using the switchDisable command. Disabling the switch halts all operation on the switch. switch: admin> cmiTest Running CMI Test passed. Figure 49. cmiTest command example Related error messages: DIAG-BADINIT, DIAG-INTNIL, DIAG-CMISA1, DIAG-CMINOCAP, DIAG-CMIINVCAP, DIAG-CMIDATA, DIAG-CMICKSUM. crossPortTest The crossPortTest command verifies the intended functional operation of the switch by sending frames from the transmitter of each port by way of the GBIC and external cable and back to the receiver of another port. It exercises the entire path of the switch. | A port can be connected to any port in the same switch provided that the | connection is of the same technology; meaning copper ports must connect to | copper ports, SWL ports to SWL ports, and LWL ports to LWL ports. Appendix B. Diagnostics 103

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Related error messages:
DIAG-CMBISTRO, DIAG-CMBISRF, DIAG-LCMTO,
DIAG-LCMRS, DIAG-LCMEM, DIAG-LCMEMTX, DIAG-CMNOBUF,
DIAG-CMERRTYPE, DIAG-CMERRPTN, DIAG-PORTABSENT, DIAG-BADINIT,
DIAG-TIMEOUT.
cmemRetentionTest
Figure 48 shows the
cmemRetentionTest
command, which is used to verify that
data written into the SRAMs that make up the central memory are retained and that
data bits do not
drop
when read after some amount of delay since the write
operation.
Attention:
This command cannot be performed on an operational switch. Before
issuing the
cmemRetentionTest
command, disable the switch by using the
switchDisable
command. Disabling the switch halts all operation on the switch.
Related error messages:
DIAG-LCMEM, DIAG-LCMRS, DIAG-LCMTO.
cmiTest
Figure 49 shows the
cmiTest
command, which verifies that control messages are
correctly sent from any ASIC to any ASIC. It also tests that the checksum check is
OK.
Attention:
This command cannot be performed on an operational switch. Before
issuing the
cmiTest
command, disable the switch by using the
switchDisable
command. Disabling the switch halts all operation on the switch.
Related error messages:
DIAG-BADINIT, DIAG-INTNIL, DIAG-CMISA1,
DIAG-CMINOCAP, DIAG-CMIINVCAP, DIAG-CMIDATA, DIAG-CMICKSUM.
crossPortTest
The
crossPortTest
command verifies the intended functional operation of the
switch by sending frames from the transmitter of each port by way of the GBIC and
external cable and back to the receiver of another port. It exercises the entire path
of the switch.
A port can be connected to any port in the same switch provided that the
connection is of the same technology; meaning copper ports must connect to
copper ports, SWL ports to SWL ports, and LWL ports to LWL ports.
switch: admin> centralMemoryTest
Running Central Memory Test ... passed.
Figure 47. centralMemoryTest command example
switch:admin> cmemRetentionTest
Running cmemRetention Test .. passed.
Figure 48. cmemRetentionTest command example
switch: admin> cmiTest
Running CMI Test
..............
passed.
Figure 49. cmiTest command example
Appendix B. Diagnostics
103
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