Date: Mon, 12 Aug 2013 17:17:12 +0700 From: Olivier Nicole <olivier.nicole@cs.ait.ac.th> To: s m <sam.gh1986@gmail.com> Cc: Olivier Nicole <on@cs.ait.ac.th>, FreeBSD Net <freebsd-net@freebsd.org>, sthaug@nethelp.no, Andreas Nilsson <andrnils@gmail.com> Subject: Re: how define network with mask 8 for dhcp server? Message-ID: <CA%2Bg%2BBvgAt5qzy%2BT=dHjkVeZKhV9hZTeHO2Z4RZDGb06S34Zr=Q@mail.gmail.com> In-Reply-To: <CAA_1SgF09WTmUbQbUPf-sxTd6iAySp%2BRr8a9bEB8rYG318bMGA@mail.gmail.com> References: <CAA_1SgHWSwm62xsXzas7W0SOtDoLL-0o85%2BdqGeLzDbhb=KWQg@mail.gmail.com> <CA%2Bg%2BBvhvo0Tx0XjyGw7fTV=aribbev1BEh8cUsVLWjxD2d62pg@mail.gmail.com> <CAA_1SgGJdt8h3-5naE32PuuWxX26NhiXietyOsh20Lf73pkrVQ@mail.gmail.com> <20130812.071303.74723582.sthaug@nethelp.no> <CAPS9%2BStfwq309h641hiTGnav=bTWdr5HWdz4evpMqTx6mfx%2BgA@mail.gmail.com> <CAA_1SgGck7Tne56p2yWS261rc6trR1QiDJ1kk-BbcfbDk5yRCQ@mail.gmail.com> <CAPS9%2BStCqGx20rUWyUkQOUX44po6speAoD0tPmc3YtWNvbxa3Q@mail.gmail.com> <CAA_1SgF09WTmUbQbUPf-sxTd6iAySp%2BRr8a9bEB8rYG318bMGA@mail.gmail.com>
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Sam,
> is there any way to improve performance??? do you have any suggestion?
Unless it is on paper, do not even try to offer a /8 network, makes
subnets out of it and have as many DHCP servers as you need.
It is simply impossible to run a /8 network, so it make no sense
offering such a thing. Limit your scripts to what makes sense.
Best regards,
Olivier
>
>
> On Mon, Aug 12, 2013 at 1:38 PM, Andreas Nilsson <andrnils@gmail.com> wrote:
>
>> Well, thats another problem :) At least dhcpd doesn't crash and could
>> deliver the full range of a /8 network.
>>
>> Best regards
>> Andreas
>>
>>
>>
>> On Mon, Aug 12, 2013 at 11:00 AM, s m <sam.gh1986@gmail.com> wrote:
>>
>>> thanks Andreas, but it can not help me. it uses all my RAM memory yet:(
>>>
>>>
>>> On Mon, Aug 12, 2013 at 12:14 PM, Andreas Nilsson <andrnils@gmail.com>wrote:
>>>
>>>>
>>>> On Mon, Aug 12, 2013 at 7:13 AM, <sthaug@nethelp.no> wrote:
>>>>
>>>>> > you're right Olivier, but you know i have a user interface for dhcp
>>>>> and i
>>>>> > should handle all the network and ranges which are inserted by user
>>>>> and
>>>>> > logically are true. network with mask 8, logically is true and having
>>>>> > million available ip address, too.
>>>>> > i just wanna know if there is any solution to improve my performance
>>>>> or not.
>>>>>
>>>>> There is no solution with ISC DHCP. I doubt you'll find other suitable
>>>>> alternatives, but you're free to try of course.
>>>>>
>>>>> Steinar Haug, Nethelp consulting, sthaug@nethelp.no
>>>>>
>>>>>
>>>> One thing to try is to have more range statements in the block, like:
>>>>
>>>> subnet 192.0.0.0 netmask 255.0.0.0
>>>> {
>>>> range 192.0.0.1 192.127.255.255;
>>>> range 192.128.0.0 192.255.255.255;
>>>> }
>>>>
>>>> Best regards
>>>> Andreas
>>>>
>>>
>>>
>>
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