check_mrtgtraf No Output

[list at furyworks.com]

When check_mrtgtraf --version = check_mrtgtraf (nagios-plugins 1.3.1) 1.4 reaches warning or critical levels I am not able to retrieve output:
./check_mrtgtraf -F /home/nagios/Routers/Site/X.X.X.X_12.log  -w 
135100,135100 -c 177560,177560
nagios at nmc:/usr/local/nagios/libexec#
When goes back to OK levels I get:
./check_mrtgtraf -F /home/nagios/Routers/Site/X.X.X.X_12.log  -w 
135100,135100 -c 177560,177560
Traffic OK - Avg. In = 57.1 KB/s, Avg. Out = 15.4 KB/s
nagios at nmc:/usr/local/nagios/libexec#
Can any tell me how I can fix this? I can set the warning and critical down to 100 and 560 respectively and the same thing occurs.


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