Not done Juniper but on Cisco have helper on each VLAN interface, then dhcp server knows which subnet scope from DISCOVER request.<br><br>~your Juniper;<br><br> forwarding-options {<br> helpers {<br> bootp {<br>
relay-agent-option;<br> server 10.100.1.100;<br> interface {<br> apn1-interface;<br> apn2-interface;<br> }<br> }<br> }<br>
}<br><br><br># Configuration file for ISC dhcpd<br>#<br>local-address 10.100.1.100;<br>ddns-update-style none;<br>authoritative;<br><br>#apn1 subnet scope<br><br> subnet 192.168.220.0 netmask 255.255.255.0 {<br> default-lease-time 86400; # 1 day<br>
max-lease-time 2592000; # 1 month<br><br> range 192.168.220.10 192.168.220.50;<br> }<br><br>#apn2 subnet scope<br><br> subnet 10.124.0.0 netmask 255.255.255.0 {<br> default-lease-time 86400; # 1 day<br>
max-lease-time 2592000; # 1 month<br><br> range 10.124.0.1 10.124.0.50;<br> }<br><br><br>jim<br><br><br><div class="gmail_quote">2010/11/1 Dánial Olsen <span dir="ltr"><<a href="mailto:DOL@ft.fo">DOL@ft.fo</a>></span><br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">That's very helpful.<br>
<br>
I'm still not sure what my problem is, but I think I need to have an<br>
extra look at my Juniper setup and do some comparing.<br>
<div class="im"><br>
--<br>
Dánial<br>
<br>
<br>
> -----Original Message-----<br>
> From: dhcp-users-bounces+dol=<a href="http://ft.fo" target="_blank">ft.fo</a>@<a href="http://lists.isc.org" target="_blank">lists.isc.org</a> [mailto:<a href="mailto:dhcp-users-">dhcp-users-</a><br>
> bounces+dol=<a href="http://ft.fo" target="_blank">ft.fo</a>@<a href="http://lists.isc.org" target="_blank">lists.isc.org</a>] On Behalf Of Tim Gavin<br>
</div><div class="im">> Sent: Monday, November 01, 2010 10:13 PM<br>
> To: Users of ISC DHCP<br>
> Subject: Re: DHCP relay and multiple shared-network statements<br>
><br>
</div><div><div></div><div class="h5">> I think I got all the relevant parts, here are my configs. . .<br>
><br>
><br>
><br>
><br>
><br>
><br>
> On my Juniper:<br>
><br>
> forwarding-options {<br>
> helpers {<br>
> bootp {<br>
> relay-agent-option;<br>
> server 172.24.220.158;<br>
> interface {<br>
> ge-0/0/2.703;<br>
> ge-0/0/2.283;<br>
> }<br>
> }<br>
> }<br>
> }<br>
><br>
><br>
> interfaces {<br>
> ge-0/0/2 {<br>
> vlan-tagging;<br>
> unit 283 {<br>
> description Chelan;<br>
> vlan-id 283;<br>
> family inet {<br>
> address <a href="http://10.215.27.1/24" target="_blank">10.215.27.1/24</a>;<br>
> }<br>
> }<br>
><br>
><br>
> unit 703 {<br>
> description Douglas;<br>
> vlan-id 703;<br>
> family inet {<br>
> address <a href="http://192.168.232.1/23" target="_blank">192.168.232.1/23</a> {<br>
> preferred;<br>
> }<br>
> }<br>
> }<br>
> }<br>
><br>
><br>
><br>
> /\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/<br>
> \/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\<br>
> /\<br>
><br>
><br>
> DHCP Server:<br>
><br>
> #########################<br>
> #Douglas DHCP - VLAN 703#<br>
> #########################<br>
><br>
> #$Douglas - vlan 703<br>
> subnet 192.168.232.0 netmask 255.255.255.0 {<br>
> range 192.168.232.3 192.168.232.254;<br>
> option domain-name-servers 172.24.220.131, 172.24.220.132;<br>
> option domain-name "<a href="http://mydomain.tv" target="_blank">mydomain.tv</a>";<br>
> option routers 192.168.232.1;<br>
> option broadcast-address 192.168.232.255;<br>
> default-lease-time 43200; #12 hours<br>
> max-lease-time 86400; #24 hours<br>
> # default-lease-time 3600; #1 hour<br>
> # max-lease-time 7200; #2 hours<br>
> authoritative;<br>
> }<br>
><br>
><br>
> ########################<br>
> #Chelan DHCP - VLAN 283#<br>
> ########################<br>
><br>
> #$Chelan - vlan 283<br>
> subnet 10.215.27.0 netmask 255.255.255.128 {<br>
> range 10.215.27.10 10.215.27.120;<br>
> option domain-name-servers 172.24.220.131, 172.24.220.132;<br>
> option domain-name "<a href="http://mydomain.tv" target="_blank">mydomain.tv</a>";<br>
> option routers 10.215.27.1;<br>
> option broadcast-address 10.215.27.127;<br>
> default-lease-time 43200;<br>
> max-lease-time 86400;<br>
> authoritative;<br>
> }<br>
><br>
><br>
><br>
> (Chelan is part of a shared-network statement, but it has nothing to do<br>
> with this functionality)<br>
><br>
><br>
><br>
> On 11/01/2010 03:01 PM, Dánial Olsen wrote:<br>
> > Thanks for the quick response.<br>
> ><br>
> > I've tried that (again just now), and without the 10.102.8.x neither<br>
> > subnet is working - both produce a "wrong network" and DHCPNAK.<br>
> ><br>
> > Also tried removing both shared-network statements, same problem.<br>
> ><br>
> ><br>
> > --<br>
> > Dánial<br>
> ><br>
> ><br>
> ><br>
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</div></div></blockquote></div><br>