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<DIV>To be honest the request didn't make sense to me either but I had to ask. I'll inquire as to the </DIV>
<DIV>reason and respond back to the list. </DIV>
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<DIV>Thanks for the response.</DIV>
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<DIV>Brendan Forsyth<BR>Senior System Administrator</DIV>
<DIV>Poudre Valley Health Care<BR>3702 Automation Way<BR>Fort Collins CO 80525<BR><A href="mailto:bff@pvhs.org">bff@pvhs.org</A><BR>(970) 495-7731 office<BR>(970) 689-2503 cell<BR></DIV><BR><BR>>>> Simon Hobson <dhcp1@thehobsons.co.uk> 1/23/2009 1:20 PM >>><BR>Brendan Forsyth wrote:<BR>>Our dhcp server gives out leases from the end of the subnet back to <BR>>the beginning.<BR>><BR>>Is it possible to reverse this ordering?<BR><BR>Actually, the ISC server allocates (never used before) addresses in <BR>an implementation specific and undocumented order - it just so <BR>happens that AT THE MOMENT it does it "top down".<BR><BR>That is only the case when there are addresses that have never been <BR>used. Once there are no such addresses, it will reclaim expired <BR>leases in a least recently used manner and normally addresses will <BR>then appear to be allocated randomly.<BR><BR><BR>There is no direct way to influence allocation order of addresses, <BR>but you can fudge the issue if you really care (why ?). If you write <BR>a script that will create dummy leases for all available addresses, <BR>then you can determine the order that addresses will be allocated in <BR>future by simply ordering the expiry date/time of each dummy lease.<BR><BR><BR>The obvious question is why do you want a specific order ? There <BR>isn't really any good reason other than your are trying to do <BR>something that probably has a another way.<BR><BR>-- <BR>Simon Hobson<BR><BR>Visit <A href="http://www.magpiesnestpublishing.co.uk/">http://www.magpiesnestpublishing.co.uk/</A> for books by acclaimed<BR>author Gladys Hobson. Novels - poetry - short stories - ideal as<BR>Christmas stocking fillers. Some available as e-books.<BR>_______________________________________________<BR>dhcp-users mailing list<BR>dhcp-users@lists.isc.org<BR><A href="https://lists.isc.org/mailman/listinfo/dhcp">https://lists.isc.org/mailman/listinfo/dhcp</A>-users<BR></DIV><BR>
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