Re: DHCP on different subnets
- From: wisptech@xxxxxxxxx
- Date: 31 Aug 2006 06:59:00 -0700
Allen Kistler wrote:
wisptech@xxxxxxxxx wrote:
I have a DHCP server with the following config:
[snip]
subnet 66.119.9.0 netmask 255.255.255.0 {
[snip]
subnet 172.19.0.0 netmask 255.255.255.0 {
[snip]
Problem is that it does not want to assign 172.19.0.0/24 addresses..
It will only assign addresses from the 66.119.9.0/24 pool and it does
it quite well. Question is, how do I get it to assign 172.19.0.0/24
addresses as well as 66.119.9.0/24 addresses but with the 172 being the
preferred pool?
Does your DHCP server have an interface on the 172.19/24 network?
Alternatively, do you have a relay on the 172.19/24 network?
A DHCP client does an Ethernet (MAC layer) broadcast to find a DHCP
server or relay. The server or relay offers an address on the same
network as the interface that received the broadcast.
I suspect, but you haven't said, that your DHCP server is dual-homed
with both interfaces on the same physical network, the intent being to
assign routable addresses to specific hosts and non-routable addresses
to all others. I've never tried such a config myself, but at the very
least you'd have to put "ignore unknown-clients;" in the subnet
66.119.9.0 section (if that's what you're trying to do).
Thanks for the info, I'll give it a try and see what happens.
.
- References:
- DHCP on different subnets
- From: wisptech
- Re: DHCP on different subnets
- From: Allen Kistler
- DHCP on different subnets
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