IPs , Netmasks and Broadcast.
Eric Schuele
e.schuele at computer.org
Thu Sep 15 08:07:14 PDT 2005
Grant Peel wrote:
> Hi All,
>
> Now I am really confused.
>
> Up until this morning I thought I had a good handle on when I need to
> use the real Netmask and Broadcast.
>
> For example, If I have 3 servers, and my upline asigns me a block of 128
> addresses, for the first ip used (from this block) on each server, I
> would need to specify the IP, true netmask and a broadcase. Then, when
> using more IPs from that block, I would use a 255.255.255.255 netmask
> and a broadcast equal to the IP.
Google
CIDR
IP Netmask
IP broadcast
HTH.
>
> Today, I was in this exact position where I was tring to add an (the
> first one one THAT machine, from that block) IP from a block that is
> almost completely used up on another server, and the one I was adding it
> to would not take it. When I tried adding it with a 255.255.255.255
> netmask, and a broadcast eaqual to the amount of IPs from that block -
> it worked.
>
> this is on a FreeBSD 4.10 machine.
>
> WHich way is correct for 4.7 and higher?
>
> -Grant
>
>
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--
Regards,
Eric
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