#17 Create arbitrary prefixes within a CIDR block

[Max Schubert]

Hi,

Great improvements in phpIP over the last 6 months,
keep up the good work, very glad you have added CIDR
support.

In the environments I work in, rarely do we have
equally divided prefixes within our CIDR blocks .. so
only allowing prefixes that are even divisions of a
block doesn't work for them .. within a /24 we might
have several /29s, /28s, etc ..

I saw that I could make the smaller CIDR blocks the top
level of IPs but then the prefix is the CIDR block so
the two tier menu just becomes repetition :).

ipPlan is a project you have probably heard of, it
supports areas and arbitrary subnets within them, might
want to check out that program for examples of what I
mean.

Your interface is overall very intuitive and definitely
very easy to use .. more flexibility with subnetting
would be excellent.

[mearls]

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Hi Max,

I appreciate your thoughts on how to improve phpIP, I have
added this to the task list. If you have any other
suggestions please let me know.

Thanks,

mearls

[Max Schubert]

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I'd be happy to help with coding this as well if you would like help.

[mearls]

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Hi Max,

I have updated part of my development code for phpip http://vw.vermeer.org/phpip-4.4/ please check out the new CIDR add page. I feel this is what you are looking for regarding arbitrary subnets. I would suggest using the back button to add other ranges within the CIDR block until I have upload the new prefix add code.

Thanks again,

Michael

[Anonymous]

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reconsider how you enter your data.

if you enter your /24 prefixes under a large CIDR, maybe a /16, you can start to add your prefix to that /16. that prefix would be the 256 addresses you are interested in. use the prefix, instead of making a /24 cidr.

once added, you can then view 256 addresses all at once in a single page, marking different /25, /26, /27, /28, /29 ....etc by using the subnetmask field.

here is what i do. at the edge of the small subnets, i set the subnetmask to the dashed line option ---------

between the ------- fields, i then select the different subnetmasks for the subent which is between the lines.

-kreg