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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Sorry for the cross posting but I am ISC DHCP Server V3.1.2 and we were having an issue with clients taking an unusually long time receiving DHCP leases. On the server I realized that DHCPOFFERS are delayed. The server does not issue them right away. Here it took 3 minutes for the server to issue a DHCPOFFER. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Jun 11 16:35:37 ns2 dhcpd: DHCPDISCOVER from 00:24:7e:6b:8a:19 via 134.174.164.1<o:p></o:p></p><p class=MsoNormal>Jun 11 16:35:41 ns2 dhcpd: DHCPDISCOVER from 00:24:7e:6b:8a:19 via 134.174.164.1<o:p></o:p></p><p class=MsoNormal>Jun 11 16:35:49 ns2 dhcpd: DHCPDISCOVER from 00:24:7e:6b:8a:19 via 134.174.164.1<o:p></o:p></p><p class=MsoNormal>Jun 11 16:36:05 ns2 dhcpd: DHCPDISCOVER from 00:24:7e:6b:8a:19 via 134.174.164.1<o:p></o:p></p><p class=MsoNormal>Jun 11 16:38:17 ns2 dhcpd: DHCPDISCOVER from 00:24:7e:6b:8a:19 via 134.174.164.1<o:p></o:p></p><p class=MsoNormal>Jun 11 16:38:20 ns2 dhcpd: DHCPDISCOVER from 00:24:7e:6b:8a:19 via 134.174.164.1<o:p></o:p></p><p class=MsoNormal>Jun 11 16:38:28 ns2 dhcpd: DHCPDISCOVER from 00:24:7e:6b:8a:19 via 134.174.164.1<o:p></o:p></p><p class=MsoNormal>Jun 11 16:38:44 ns2 dhcpd: DHCPDISCOVER from 00:24:7e:6b:8a:19 via 134.174.164.1<o:p></o:p></p><p class=MsoNormal>Jun 11 16:38:45 ns2 dhcpd: DHCPOFFER on 134.174.164.238 to 00:24:7e:6b:8a:19 (jbatista-PC) via 134.174.164.1<o:p></o:p></p><p class=MsoNormal>Jun 11 16:38:45 ns2 dhcpd: Unable to add forward map from jbatista-PC.med.harvard.edu to 134.174.164.238: timed out<o:p></o:p></p><p class=MsoNormal>Jun 11 16:38:45 ns2 dhcpd: DHCPREQUEST for 134.174.164.238 (134.174.17.6) from 00:24:7e:6b:8a:19 (jbatista-PC) via 134.174.164.1<o:p></o:p></p><p class=MsoNormal>Jun 11 16:38:45 ns2 dhcpd: DHCPACK on 134.174.164.238 to 00:24:7e:6b:8a:19 (jbatista-PC) via 134.174.164.1<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>In the meantime the server is handing out leases to other clients on the same subnet as well as to other subnets.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Any ideas why this happens?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Sherif Hashem<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Trebuchet MS","sans-serif";color:#7E0000'>Harvard Medical School </span></b><b><span style='font-size:10.0pt;font-family:"Trebuchet MS","sans-serif";color:#404040'>| Network Operations <br></span></b><span style='font-size:8.0pt;font-family:"Verdana","sans-serif";color:#404040'>25 Shattuck Street | Gordon Hall Suite 500 | Boston, MA, 02115<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Verdana","sans-serif";color:#404040'>d: (617)432-7534 | c: (617)999-7818 | f</span><span style='font-size:8.0pt;font-family:"Verdana","sans-serif";color:#404040'>: (617)432-6804</span><span style='font-size:8.0pt'><o:p></o:p></span></p></div></body></html>