From: David Meuleman (dmeuleman@defiance.edu)
Date: Wed Jun 11 2003 - 10:50:53 CDT
Does your router know where to send DHCP Requests from vlans 5-7? With
Cisco routers, the command is "ip helper-address <DHCP server addr>." I
don't know what it would be on a Nortel Passport Router.
Dave
On Wed, 11 Jun 2003 11:33:21 -0400, Carpenter, Adam
<acarpenter@stonehill.edu> wrote:
> Hello,
> I've been banging my head for days trying to figure this out. I'm
> positive
> that the problem is my dhcpd.conf file. Any help is appreciated.
>
> First my network config:
>
> There are 4 vlans in use, vlan 4 - 7. Vlan 4 is for the dhcp server and
> the
> others are for test clients. All vlans connect into a Nortel Passport
> 8600
> routing switch which is doing DHCP relay for the vlans. All vlan
> networks
> are class b's. Authorized users get a 10.VID.1.x IP and unauthorized
> users
> get a 10.VID.200.x IP. The dhcp server functions properly for vlan 4
> only.
> So either my dhcp relay isn't working or my dhcpd.conf file is bad.
>
> Thanks in advance for any help.
>
> - Adam
>
>
> My dhcpd.conf file looks like this:
>
> # dhcpd.conf
>
> # Options common to all networks
>
> option domain-name "stonehill.edu";
> option netbois-node-type 8;
> server-identifier romulus.stonehill.edu;
> ignore bootp;
> ddns-update-style interim;
> ddns-updates off;
> omapi-port 7911;
>
> # DHCP Server Network Begin
> shared-network "DHCP Vlan 4" {
> subnet 10.4.0.0 netmask 255.255.0.0 {
> option routers 10.4.10.253;
> authoritative;
>
> # Begin authorized client pool
> pool {
> option domain-name-servers 10.2.14.4,10.2.14.2;
> one-lease-per-client true;
> max-lease-time 120;
> default-lease-time 120;
> range 10.4.1.1 10.4.1.49;
> deny unknown clients;
> } # End authorized client pool
> } # End subnet 10.4.0.0/16
> } # End shared network DHCP Vlan 4
>
> # Test Vlan 5 begin
> shared-network "Test Vlan 5" {
> subnet 10.5.0.0 netmask 255.255.0.0 {
> option routers 10.5.10.253;
> authoritative;
>
> # Begin unauthorized pool
> pool {
> option domain-name-servers 10.4.10.10;
> one-lease-per-client true;
> max-lease-time 120;
> default-lease-time 120;
> range 10.5.200.1 10.5.200.49;
> allow unknown clients;
> } # End unauthorized pool
>
> # Begin authorized pool
> pool {
> option domain-name-servers 10.2.14.4,10.2.14.2;
> one-lease-per-client true;
> max-lease-time 691200;
> default-lease-time 691200;
> range 10.5.1.1 10.5.1.49;
> deny unknown clients;
> } # End authorized pool
> } # End subnet 10.5.0.0/16
> } # End shared-network Test Vlan 5
>
> ==============================
> Adam Carpenter
> Network Administrator
> Stonehill College
> 320 Washington St
> Easton, MA 02375
> 508-565-1557
>
> http://www.stonehill.edu
> ==============================
>
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