Technical data

Diagnostics 79
Error Messages
The error message log can be accessed through the Telnet command
errDump. Note any messages before removing power from the switch,
because error messages are stored in RAM and are lost when power is
removed.
For a detailed description of each error message, see the Fabric OS
Reference Manual.
Cross Port Test crossPortTest Checks all switch paths. Frames
transmitted by port M are looped
back using external cable and
received at port N. Switch must
be offline.
Spin Silk Test spinSilk Checks all switch paths at the
maximum speed of 1 Gbps.
Frames transmitted by port M
are looped back using external
cables, and when received by
port N are sent again by port M
in an external loop. Switch must
be offline.
SRAM Data
Retention Test
sramRetention
Test
Verifies that data written into
ASIC memories is retained.
Switch must be offline.
CMem Data
Retention Test
CmemRetention
Test
Verifies that data written into
ASIC SRAMs is retained.
Switch must be offline.
Switch Online switchEnable Returns switch to online state.
Table 9. Diagnostic Tests for the 2250 Switch (continued)
Test Command Description