1556 | E-Series Debugging and Diagnostics
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Offline Diagnostic Commands
The offline diagnostics test suite is useful for isolating faults and debugging hardware. The tests results 
are written to a file in flash memory and can be displayed on screen. Detailed statistics for all tests are 
collected. 
These statistics include:
• last execution time
• first test pass time and last test pass time
• first test failure time and last test failure time
• total run count
• total failure count
• consecutive failure count
• error code
The offline diagnostics commands are:
• diag linecard
• offline
• online
• show diag
diag linecard 
e
Run offline diagnostics on a line card(s).
Syntax
diag linecard number {alllevels | level0 | level1 | level2} | {terminate}
To terminate the offline diagnostics, use the diag linecard number terminate command.
Parameters
 
show environment (C-Series 
and E-Series) 
Display
 system component status.
show processes memory 
(C-Series and E-Series)
Display memory usage based on running processes. 
number
Enter the line card slot number.
Range: 0 to 13 on a E1200, 0 to 6 on a E600, and 0 to 5 on a E300.
alllevels Enter the keyword alllevels to run the complete offline diagnostic test.
level0 Enter the keyword level0 to check the device inventory and verify the 
existence of the devices.
level1 Enter the keyword Level1 to verify that the devices are accessible via the 
designated paths (line integrity tests) and test the internal registers of the 
devices.
level2 Enter the keyword level2 to perform on-board loopback tests on various 
data paths (data Port-Pipe and Ethernet).
terminate Enter the keyword terminate to stop the offline diagnostics tests.