dhcp reserved address support

Samer Sayeed samers at teamf1.com
Wed Oct 8 13:43:56 UTC 2008


Hi,

       I am using 4.1.0a2 version of isc dhcp, can anyone please let me know
which version of isc-dhcp support the fixes which Bates has mentioned. I
will be glad if anyone can help me out.

On Wed, Oct 8, 2008 at 6:40 PM, Glenn Satchell
<Glenn.Satchell at uniq.com.au>wrote:

> >Date: Wed, 8 Oct 2008 18:30:49 +0530
> >From: "Samer Sayeed" <samers at teamf1.com>
> >To: dhcp-users at isc.org
> >Subject: Re: dhcp reserved address support
> >
> >Its not a very good option to give multiple range statements. ....
> >Any other better idea ???
>
> Well unfortunately that's the way ISC dhcpd works.
>
> You may have used the MS dhcp, where typically you specify the whole
> subnet, then mark certain IPs as not to be used. That's just as messy
> if not more so, IMHO.
>
> The way most people do it it to assign all their host based
> fixed-addresses in a block at either the top or bottom of the subnet,
> and then have a single contiguous dynamic range.
>
> regards,
> -glenn
>
>
> >On Wed, Oct 8, 2008 at 6:09 PM, Glenn Satchell
> ><Glenn.Satchell at uniq.com.au>wrote:
> >
> >> You can specify multiple range statements and omit the IPs that should
> >> not be handed out dynamically, eg you want to exclude 192.168.10.25:
> >>
> >> subnet ... {
> >>  range 192.168.10.20 192.168.10.24;
> >>  range 192.168.10.26 192.168.10.29;
> >>  ... other options ...
> >> }
> >>
> >> or a single IP can be in the range, eg:
> >>
> >> subnet ... {
> >>  range 192.168.10.50;
> >>  ... othe roptions ...
> >> }
> >>
> >> regards,
> >> -glenn
> >>
> >> >Date: Wed, 8 Oct 2008 17:52:09 +0530
> >> >From: "Samer Sayeed" <samers at teamf1.com>
> >> >To: dhcp-users at isc.org
> >> >Subject: dhcp reserved address support
> >> >
> >> >Need help on how to reserve and ip address from dhcp default range.
> Does
> >> >anyone have any patch related to this please reply.
> >> >
> >> >On Wed Oct 08 11:51:13 2008, samers at teamf1.com wrote:
> >> >> HI,
> >> >>
> >> >>          In following case the the resolution which you gave fails.
> >> >>
> >> >> Ex.
> >> >>
> >> >> dhcp default range is 192.168.10.25 to 192.168.10.26.
> >> >> I have declared a host as you mentioned using host declaration
> >> >>
> >> >> host hostname {
> >> >> hardware ethernet one_of_my_clients_mac_address;
> >> >> fixed-address  192.168.10.25;
> >> >> }
> >> >>
> >> >> >>> Issue which I am facing is if I try to run dhclient from another
> >> >before
> >> >> my "one_of_my_clients_mac_address" lan host contacts then the other
> lan
> >> >host
> >> >> is getting 192.168.10.25 ip address.
> >> >
> >> >If you do not want an address given out by the DHCP server, it should
> not
> >> >be in a range statement.  The "host" statement will provide the address
> to
> >> >the given mac, but will NOT block it from being handed out if it is
> >> >available in a pool.
> >> >
> >> >Again, I ask that your questions be taken to the mailing list or that
> you
> >> >consider a support contract allowing you to support ISC.
> >> >
> >> >AlanC
> >> >--
> >> >Alan Clegg
> >> >ISC Training and Support
> >> >--
> >> >Thanks & Regards
> >> >SAmer SAyeed
> >> >
> >> >
> >> >
> >> >--
> >> >Thanks & Regards
> >> >SAmer SAyeed
> >>
> >>
> >>
> >
> >
> >--
> >Thanks & Regards
> >SAmer SAyeed
>
>
>


-- 
Thanks & Regards
SAmer SAyeed
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