Simple ip question

Simple ip question
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Subject Author Date
Simple ip question Not2Bright 07-03-2006
Posted by Not2Bright on July 3, 2006, 7:09 pm
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Extreme nubie here

What does the /24 mean? As in 10.5.2.1/24
thanks

Posted by on July 3, 2006, 8:20 pm
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Not2Bright wrote:

> Extreme nubie here
>
> What does the /24 mean? As in 10.5.2.1/24
> thanks

netmask consists of 24 contiguous 1 bits from the left
and therefor the last 8 bits are zero bits.

i.e. netmask in dotted decimal is 255.255.255.0


Posted by Not2Bright on July 3, 2006, 9:22 pm
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On 3 Jul 2006 17:20:05 -0700, anybody43@hotmail.com wrote:

>
>Not2Bright wrote:
>
>> Extreme nubie here
>>
>> What does the /24 mean? As in 10.5.2.1/24
>> thanks
>
>netmask consists of 24 contiguous 1 bits from the left
>and therefor the last 8 bits are zero bits.
>
>i.e. netmask in dotted decimal is 255.255.255.0


So 10.5.2.1/22 would be 255.255.252.0 ?



Posted by Barry Margolin on July 3, 2006, 9:52 pm
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> On 3 Jul 2006 17:20:05 -0700, anybody43@hotmail.com wrote:
>
> >
> >Not2Bright wrote:
> >
> >> Extreme nubie here
> >>
> >> What does the /24 mean? As in 10.5.2.1/24
> >> thanks
> >
> >netmask consists of 24 contiguous 1 bits from the left
> >and therefor the last 8 bits are zero bits.
> >
> >i.e. netmask in dotted decimal is 255.255.255.0
>
>
> So 10.5.2.1/22 would be 255.255.252.0 ?

Yes.

--
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***
*** PLEASE don't copy me on replies, I'll read them in the group ***

Posted by Not2Bright on July 4, 2006, 10:08 am
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Thank you for the help.
It is most appreciated!


On Mon, 03 Jul 2006 21:52:48 -0400, Barry Margolin

>
>> On 3 Jul 2006 17:20:05 -0700, anybody43@hotmail.com wrote:
>>
>> >
>> >Not2Bright wrote:
>> >
>> >> Extreme nubie here
>> >>
>> >> What does the /24 mean? As in 10.5.2.1/24
>> >> thanks
>> >
>> >netmask consists of 24 contiguous 1 bits from the left
>> >and therefor the last 8 bits are zero bits.
>> >
>> >i.e. netmask in dotted decimal is 255.255.255.0
>>
>>
>> So 10.5.2.1/22 would be 255.255.252.0 ?
>
>Yes.


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