DNS & DHCP
Ingo T. Storm
bind at computerbild.de
Wed Jul 26 07:09:00 UTC 2000
Hi,
> Would anybody be able to guide me in the general direction of finding
> information for setting up DHCP on a server to co-ordinate with DNS,
The fast track (with bind 8.2.2 and ISC dhcpd >=3.0b1pl13):
Put your DHCP clients in their own subdomain and zone (e.g. dhcp.buxtwon.de
where buxtown.de is the static zone). Then add a subnet declaration in
dhcpd.conf
dhcpd.conf:
subnet 192.168.42.0 netmask 255.255.255.0 {
option routers 192.168.42.254;
option domain-name "dhcp.buxtown.de";
ddns-rev-domainname "in-addr.arpa";
range 192.168.42.128 192.168.42.191;
}
Allow updates from the dhcp server
named.conf to the forward and reverse zones:
zone "dhcp.buxtown.de"{
type master;
file "db.dhcp.buxtown.de";
allow-update{
127.0.0.1;
192.168.42.1;
};
};
zone "42.168.192.in-addr.arpa"{
type master;
file "db.192.168.42";
allow-update{
127.0.0.1;
192.168.42.1;
192.168.44.1;
};
};
N.B.: You will have to add static RRs to the reverse zone before opening it
for updates or by using nsupdate. Of course you could split the /24-net in
chunks for static and dynamic and reverse zones, too, but I am still not
comfortable with RFC 2317;-)
I am afraid the rest is left to ardent study of the dhcpd readme, the "DHCP
Handbook" (Ted Lemon/Ralph Droms) and of course "DNS and Bind" (Albitz/Liu)
(Cricket: when can we expect the 4th ed.?;-).
Good luck!
Ingo
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