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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Because I am using VLANs to segment the three networks, for security reasons, it is simpler to allow the router to do the DHCP. This allows the router to control all the ACLs since it knows about the internal network from the DMZ from the guest network. This is the reason for using the router for the DHCP.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> plug-discuss-bounces@lists.phxlinux.org [mailto:plug-discuss-bounces@lists.phxlinux.org] <b>On Behalf Of </b>Bryan O'Neal<br><b>Sent:</b> Saturday, May 24, 2014 1:40 PM<br><b>To:</b> Main PLUG discussion list<br><b>Subject:</b> Re: Bind9 and a Cisco router<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><p>Your better at this then I am so I am curious... why not have the bind server do DHCP? <o:p></o:p></p><div><p class=MsoNormal>On May 24, 2014 12:18 PM, "David Demland" <<a href="mailto:demland@cox.net">demland@cox.net</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I have a Cisco 881W router and it does the DHCP to all my VLANs. I need to configure Bind9 for DDNS so that my windows systems can be pinged by name by all systems. Since DHCP is coming from the router I have no idea how to configure Bind to use an external DHCP server for DDNS. Does anyone know where I might find more information on this, or has someone already done this and knows how I need to configure Bind9.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I used to do DDNS with Bind9 and DHCP on my Linux system, but the new network configuration will not support that architecture so I have to come up with a different way to make this work.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thank You,<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>David<o:p></o:p></p></div></div><p class=MsoNormal><br>---------------------------------------------------<br>PLUG-discuss mailing list - <a href="mailto:PLUG-discuss@lists.phxlinux.org">PLUG-discuss@lists.phxlinux.org</a><br>To subscribe, unsubscribe, or to change your mail settings:<br><a href="http://lists.phxlinux.org/mailman/listinfo/plug-discuss" target="_blank">http://lists.phxlinux.org/mailman/listinfo/plug-discuss</a><o:p></o:p></p></div></div></body></html>