<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">It will be something like this example. eth1 / eth3 are the interfaces where it is watching for dhcp / PXE discovery requests and server is the ip of the dhcp server it will relay it to.<div><br></div><div><div style="margin: 0px; font-size: 11px; font-family: Menlo;">service {</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"> dhcp-relay {</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"> interface eth3</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"> interface eth1</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"> server 192.168.2.5</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"> }</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;">}</div><div><div>On 1 May 2014, at 10:27 pm, Daniel Watson <<a href="mailto:daniel@dwatson.me">daniel@dwatson.me</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">Gday Rob<br><br>Cheers mate<br><br>Ill give that a shot and see how it goes.<br><br>Daniel<br><br>On Thu, May 1, 2014 11:17 pm, Robert Hudson wrote:<br><blockquote type="cite">ip helper-address will certainly work for DHCP. You specify the IP<br>address of your DHCP server, and what happens is that the switch listens<br>for DHCP requests and forwards them to the DHCP server on another VLAN,<br>and then ensures that an IP in the correct IP address range for that<br>subnet is returned for the client.<br><br>Your DHCP server should then give the IP address of the PXE server as a<br>scope option.<br><br>Now you just need to find the command on the vyatta (assuming it can do<br>it). Is this helpful?<br><br><a href="http://openmaniak.com/vyatta_case_dhcp.php">http://openmaniak.com/vyatta_case_dhcp.php</a><br><br><br><br>On 1 May 2014 22:11, Daniel Watson <daniel@dwatson.me> wrote:<br><br><br><blockquote type="cite">Gday Rob<br><br><br>Ive never used it on Cisco before either, However ive been told its<br>one of these 3<br><br>"ip helper-address", "DHCP relaying” or “Broadcast forwarding”<br><br><br>Just not entirely sure on which one would apply for Vyatta<br><br><br>Daniel<br><br><br>On Thu, May 1, 2014 11:09 pm, Robert Hudson wrote:<br><br><blockquote type="cite">Are you familiar with how such things are done on a standard layer 3<br>switch (using ip helper-address in the Cisco world for instance)? If<br><br></blockquote>so,<br><blockquote type="cite">does the Vyatta have an equivelent?<br><br><br>On 1 May 2014 22:03, Daniel Watson <<a href="mailto:daniel@dwatson.me">daniel@dwatson.me</a>> wrote:<br><br><br><br><blockquote type="cite">Gday Guys<br><br><br><br>We are looking at running multiple VLAN’s and would like to pass<br>PXE<br>/<br>DHCP traffic through multiple VLAN’s on Vyatta<br><br><br><br>I was wondering if anybody can provide assistance here?<br><br><br><br><br>_______________________________________________<br>AusNOG mailing list<br><a href="mailto:AusNOG@lists.ausnog.net">AusNOG@lists.ausnog.net</a><br><a href="http://lists.ausnog.net/mailman/listinfo/ausnog">http://lists.ausnog.net/mailman/listinfo/ausnog</a><br><br><br><br></blockquote><br></blockquote><br><br><br></blockquote><br></blockquote><br><br>_______________________________________________<br>AusNOG mailing list<br><a href="mailto:AusNOG@lists.ausnog.net">AusNOG@lists.ausnog.net</a><br><a href="http://lists.ausnog.net/mailman/listinfo/ausnog">http://lists.ausnog.net/mailman/listinfo/ausnog</a></div></blockquote></div><br></div></body></html>