<html><head><base href="x-msg://230/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>On Feb 12, 2012, at 7:21 AM, Moayad mohammad wrote:</div><div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div lang="EN-US" link="blue" vlink="purple"><div class="WordSection1" style="page: WordSection1; "><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">Dears,<o:p></o:p></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "> I am facing problems with my DHCP server to serve our WiMAX customers (DHCP Version: dhcp-4.2.1-P1) as follows:<o:p></o:p></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0.75in; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; text-indent: -0.25in; "><span>1-<span style="font: normal normal normal 7pt/normal 'Times New Roman'; "> <span class="Apple-converted-space"> </span></span></span><span dir="LTR"></span>sometimes the dhcpd service provide CPE with duplicated IP’s (Already assigned or reserved to other CPE), so the CPE connect for 1-2 seconds then disconnected then try again to connect and get the same duplicated IP then disconnected. To solve this issue I have to add new pool of IP’s.<o:p></o:p></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0.75in; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; text-indent: -0.25in; "><span>2-<span style="font: normal normal normal 7pt/normal 'Times New Roman'; "> <span class="Apple-converted-space"> </span></span></span><span dir="LTR"></span>Also sometime when I do MAC reservation then delete this reservation the CPE try to connect with the same IP till I force it to get another IP through another reservation.<o:p></o:p></div></div></div></span></blockquote><div><br></div><div>Don't put reservations inside dynamic ranges. Doing so will cause both of these problems.</div><br><div></div></div>Regards,<div>Chris Buxton</div><div>BlueCat Networks</div></body></html>