
Using Technician Interface Scripts
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Sample Display – show csmacd alerts
CSMACD Modules on Alert:
------------------------
BOFL HW Line
Slot Conn Circuit State MAC Address TMO MTU Filter Speed
---- ---- -------- -------- ----------------- ---- ---- -------- -----
0 0 Not Pres (nil) 5 1518 Disabled 10Mbps
2 31 Down 00-00-A2-0B-67-0C 5 1518 Disabled 100Mbps
Found 2 matches out of 2 entries in table.
State State of the line driver: Disabled, Down, Init (initializing), Not
Present (enabled but not yet started), or Up.
The Not Present state occurs for several reasons. For example, the
Link Module may not be physically present in the chassis. The
software may be booting and has not yet initialized the driver
software. The slot may be running diagnostics. Or there may be a
problem with the configuration.
MAC Address Line’s physical address. The driver assigns this address.
BOFL TMO Time in seconds between transmissions of Breath of Life messages
from this interface. A timeout occurs if five periods elapse without a
successful frame transmission. When timeout occurs, the interface
is disabled and and then enabled again automatically.
MTU Maximum transfer unit size for frames on this line.
HW Filter Status of hardware filtering: Enabled or Disabled. When enabled,
the Link Module filtering hardware prevents the copying of local
frames into system memory. Filtering hardware drops local frames
at the interface. Bridging software performance is improved
because it no longer uses resources to receive and reject local
frames.
Line Speed Circuit’s configured line speed: 10 Mb/s or 100 Mb/s.
Note: The alerts, base, disabled, and enabled tables all include the same
information.
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