Best practice for defining static IP addresses?

[Ryan McCain]

Todd,

Thanks for the link.

>>> On Wed, Aug 6, 2008 at  9:45 AM, in message
<1D8C9A4471119A40BD574F9D8D464AE301B85A76 at XCH60YKF.rim.net>, "Todd Snyder"
<tsnyder at rim.com> wrote: 
> http://marc.info/?l=dhcp-users&m=121088413725977&w=2 Covers it I think
> 
> Cheers,
> 
> Todd.
> 
> -----Original Message-----
> From: dhcp-users-bounce at isc.org [mailto:dhcp-users-bounce at isc.org] On
> Behalf Of Ryan McCain
> Sent: Wednesday, August 06, 2008 10:24 AM
> To: dhcp-users at isc.org
> Subject: RE: Best practice for defining static IP addresses?
> 
> Todd,
> 
> Thanks for the info.  Do you have a link to your thread?
> 
> 
>>>> On Tue, Aug 5, 2008 at  4:02 PM, in message
> <1D8C9A4471119A40BD574F9D8D464AE301B85A6C at XCH60YKF.rim.net>, "Todd
> Snyder"
> <tsnyder at rim.com> wrote:
>> I thought this very same thing until a few months ago, and after
>> bashing my head about for a while, I came here and was corrected.
>>
>> Static assignments need to be outside any defined ranges.  This is
>> different than Windows DHCP, which lets you 'reserve' an ip in the
>> middle of range.
>>
>> If you want to do the first option, you will have to define 2 ranges
>>
>> range 10.119.14.1 10.119.14.99
>>
>> and
>>
>> range 10.119.14.101 10.199.14.179
>>
>> Which isn't ideal.
>>
>> Cheers,
>>
>> Todd.
>>
>> -----Original Message-----
>> From: dhcp-users-bounce at isc.org [mailto:dhcp-users-bounce at isc.org] On
>> Behalf Of Ryan McCain
>> Sent: Tuesday, August 05, 2008 4:55 PM
>> To: dhcp-users at isc.org
>> Subject: Best practice for defining static IP addresses?
>>
>> Lets assume this is my DHCP scope:
>>
>> subnet 10.119.14.0 netmask 255.255.255.0 {
>>   range 10.119.14.1 10.119.14.179 ;
>>   option routers 10.119.14.254 ;
>>
>> If I wanted to assign a static IP address, would I do?
>>
>> host Black {
>>   hardware ethernet 00:19:5B:EC:A7:11;
>>   fixed-address 10.119.14.100;
>> }
>>
>> or
>>
>> host Heart {
>>   hardware ethernet 00:19:5B:EC:A7:12;
>>   fixed-address 10.119.14.200;
>> }
>>
>> ..Notice that 'Black' is within the defined range while 'Heart' is
> not.
>>
>> I've always assume I could assign a static IP within the defined range
> 
>> and the MAC address would act as a 'key' to prevent it from being
>> handed out  (even though it's in a defined range).
>>
>> Thanks for the clarification..
>>
>>
>>
>>
>>
>>
>>
>>
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> 
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