[mrtg] how to show all ports graphs ?

[ehaha]

 hello,i am a mrtg user .may i ask you some question ? thanks.
 
 
i have a 24 ports switch , some ports up and some ports down . but when i use cfgmaker create a mrtg configuration file , the configuration file only create up ports , the down ports is commentaries with "#".
 
 
i also use "--show-op-down" or "--no-down" ,but it nothing change !
 
 
i don't know how to show all ports use cfgmaker .
 
 
if you are free ,please tell me how to do .
 
thank you .
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