DHCP Server¶

This is installed on bridge.dev.ru.is, which is our router/bridge. eth1 is DevNet, so only have DHCP answer on that interface.
To keep things managable, we should use LDAP as our central host configuration database. Unfortunately, the ubuntu isc-dhcp-server-ldap package only appears to be in ubuntu versions later than 10.04. It may be time to upgrade.

Status:¶

• I give up trying to make dhcpd work on the bridge machine because shorewall won't allow it on a bridge port. I am no moving it to gryla --foley
• It is working on gryla. I have made a dns alias for dhcp.dev.ru.is --foley 2012-04-11

Possible software¶

There are also links on the OpenLDAP wiki page because of the possible integration efforts

• dhcp-3 https://help.ubuntu.com/community/dhcp3-server
• DHCP server on CentOS http://www.centos.org/docs/5/html/Deployment_Guide-en-US/s1-dhcp-configuring-server.html
• DHCP and shorewall http://www.shorewall.net/dhcp.htm
• http://phpdhcpadmin.sourceforge.net/
• DHCP from LDAP info https://launchpad.net/ubuntu/natty/+package/isc-dhcp-server-ldap
  • Schema RFC http://tools.ietf.org/id/draft-ietf-dhc-ldap-schema-00.txt
  • Grotan hints http://www.grotan.com/ldap/dhcp-ldap-readme
• Ubuntu package https://launchpad.net/ubuntu/natty/+package/isc-dhcp-server-ldap

Installation¶

1. ssh dhcp.dev.ru.is
2. sudo apt-get install dhcp3-server
3. Copy the sample file to get started
   

   sudo cp /usr/share/doc/dhcp-4.1.1/dhcpd.conf.sample /etc/dhcp3/dhcpd.conf

4. Edit heavily. Should include these lines
   

   authoritative;subnet 130.208.209.0 netmask 255.255.255.224 {
   # option definitions common to all supported networks...
     option domain-name "dev.ru.is";
     option domain-name-servers ns1.dev.ru.is, ns2.dev.ru.is;
     option subnet-mask 255.255.255.224;
     option broadcast-address 130.208.209.47;
     option routers 130.208.209.35;
     option domain-name-servers 130.208.209.35, 130.208.209.37;
     default-lease-time 600;
     max-lease-time 7200;
   
          # very limited because most are already allocated
          # we also don't dhcp for sigdor's machine in 33 and 34
          range 130.208.209.35 130.208.209.46;  
          host eir {
               hardware ethernet 00:06:5b:ec:3f:b0;
               fixed-address eir.dev.ru.is;
          }
   
   #.... more static hosts ...
   }
   

5. restart the dhcp
   

   sudo service dhcp3-server restart