have a look at:
- http://www.cursos.telemidia.puc-rio.br/cursos_cce/cursotcp/CIDR-FAQ.HTM
- http://www.learntosubnet.com/
- http://www.3com.com/nsc/501302s.html
- www.itprc.com/tcp_ip.htm
In your below example, the "7" is an inverse mask for 248. (255-7=248)
Irwin
> -----Original Message-----
> From: Keith Townsend [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, October 24, 2000 12:15 PM
> To: [EMAIL PROTECTED]
> Subject: Inverse Mask
>
>
> I need help in understanding inverse masks that are used in
> network & access
> list commands. I understabd what 0 and 255 do but I get
> confused when there
> is any number other than these two. For example...
>
> network 10.0.0.0 0.7.255.255 area 0
>
> what does the 7 represent or specifiy for the mask.
>
> Thanks
>
> Keith
>
>
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