EDM01-02: DAG 4.2S Card User Guide
©2005
14
Version 7: May 2006
slen=X
capture X bytes of packet data.
[no]varlen
dis/enable variable length capture. Otherwise
record length padded to slen. Defaults to varlen.
Inspect
interface
statistics
Once the card has been configured as expected, the interface statistics
should be inspected to see if the card is locked to the data stream.
dag@endace:~$ dagfour -d dag0 –si
The tool will display a number of status bits as they have occurred since
the last time read. In the following example, the interval is set to one
second via the
-i
option.
Status bits
display
LoS
Loss of signal.
If set, this indicates that there is either no signal at
the receiver or the optical signal strength is too low
to be recognized.
OoF
Out of frame.
If set, the section overhead processor is not locked
to the SONET stream.
LoF
Loss of frame.
If set,
Oof
had been asserted for more than 3
milliseconds.
SectionBIP
SONET/SDH Section Bit Interleaved Parity error.
The link is impaired, check connections and optical
signal level.
LineBIP
SONET/SDH Line Bit Interleaved Parity error. The
link is impaired, check connections and optical
signal level.
LineFEBE
SONET/SDH Line Far End Bit Error. The link is
impaired, check connections and optical signal
level.
PathBIP
SONET/SDH Path Bit Interleaved Parity error. The
link is impaired, check connections and optical
signal level.
PathFEBE
SONET/SDH Path Far End Bit Error. The link is
impaired, check connections and optical signal
level.
