[CentOS] DHCP static hosts and subnet configuration
Marcus Moeller
mm at gcug.de
Sat Oct 18 15:15:55 UTC 2008
Dear John.
> The two commands I posted for you to set it up that way can be done in a
> Single File Configuration. The last config file I posted for you was for two
> NICS on two different Subnets.
I am not yet sure if we are talking about the same problem, so here is
my current configuration. Unless I add an host definition WITH
fixed-address statement to the 10.2.0.0 subnet, too LaptopWLAN won't
get an IP address within this network range.
...
authoritative;
ddns-update-style interim;
ddns-updates on;
update-static-leases true;
key "rndckey" {
algorithm hmac-md5;
secret "my-rndckey";
}
zone extra.net
{
primary 127.0.0.1;
key rndckey;
}
zone 2.10.in-addr.arpa
{
primary 127.0.0.1;
key rndckey;
}
zone intra.net
{
primary 127.0.0.1;
key rndckey;
}
zone 2.168.192.in-addr.arpa
{
primary 127.0.0.1;
key rndckey;
}
failover peer "intra-net" {
primary;
address 192.168.2.2;
port 647;
peer address 192.168.2.50;
peer port 647;
max-response-delay 60;
max-unacked-updates 10;
mclt 3600;
split 128;
load balance max seconds 3;
}
subnet 10.2.0.0 netmask 255.255.0.0
{
pool {
allow unknown-clients;
ignore client-updates;
deny dynamic bootp clients;
option routers 10.2.1.2;
option router-discovery false;
option domain-name "extra.net";
option domain-name-servers 10.2.1.2;
option ip-forwarding false;
option ntp-servers 10.2.1.2;
ddns-domainname "extra.net";
range 10.2.2.1 10.2.2.254;
}
}
subnet 192.168.2.0 netmask 255.255.255.0
{
pool {
failover peer "intra-net";
deny unknown-clients;
ignore client-updates;
deny dynamic bootp clients;
option routers 192.168.2.2;
option router-discovery false;
option domain-name "intra.net";
option domain-name-servers 192.168.2.2, 192.168.2.50;
option netbios-name-servers 192.168.2.50;
option netbios-dd-server 192.168.2.50;
option netbios-node-type 2;
option ip-forwarding false;
option ntp-servers 192.168.2.50;
ddns-domainname "intra.net";
range 192.168.2.150 192.168.2.151;
host LaptopWLAN {
hardware ethernet 00:15:17:17:0E:A8;
fixed-address 192.168.2.201;
ddns-hostname "LaptopWLAN";
}
# ... a LOT of other host declarations ...
}
}
...
Best Regards
Marcus
More information about the CentOS
mailing list