On Thursday 18 June 2009 10:27:44 Tim Judd wrote:
> Long ago in 2007, I saw a M$ article that describes that Vista has an
> extremely short delay period to get an IP. If it doesn't get it
> within 1 second, it gives up (and maybe tries again). Common DHCP
> servers ping an IP address, wait 1 second for a reply, and if no
> reply, assumes the IP is available and leases it to the booting
> computer.
ISC-dhcpd doesn't work that way. It keeps a lease db and assumes it's db is
the authority on available iP's for the range.
> Is your DHCP server authoritative?
Yes:
authoritative;
ddns-update-style interim;
subnet 192.168.2.0 netmask 255.255.255.0 {
range 192.168.2.200 192.168.2.254;
option subnet-mask 255.255.255.0;
option broadcast-address 255.255.255.255;
option domain-name "lan.rachie.is-a-geek.net";
option domain-name-servers 192.168.2.51;
option routers 192.168.2.1;
option ntp-servers 192.168.2.10;
option wpad "http://192.168.2.100/proxy.pac";;
# Dynamic DNS setup
<snipped for brevity>
}
> The other question is why you have it as a bridge, when sysctl
> net.inet.ip.forwarding=1 might all you need.
To merge wired and wireless into one network and for the firewall "one
internal interface". Also means I can use lagg(4) on this laptop.
> Another Q is why you might have a DHCP server listen on one IP (let's
> say it's the wired interface), but not on the wifi (this wasn't clear
> in the OP, but it might be the case).
It's on the bridge and as such on both and works on both. I have an IP
assigned to be able to move it off the gateway should the need arrise or to
simulate a migration like that for testing, in case I need it for a client.
--
Mel
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