[Dnsmasq-discuss] multiple subnets behind DHCP relay

[richardvoigt at gmail.com]

2011/3/19 Takács Balázs <takyka at freemail.hu>:
> Dear all,
>
> I have a setup where there are two (or more) separate subnets behind a DHCP relay.
>
>                 DHCP relay
>               |------------|           |-------------|
>    10.1.0.1/16|eth1        |10.0.0.0/16|Dnsmasq sever|
>  --------------|        eth2|-----------|             |
>   195.x.x.1/24|eth1.1      |           |             |
>               |------------|           |-------------|
>
>
>  The relay sends all the request from 10.1.0.1 IP address. The default subnet for clients is the 10.1.0.0. This works ok.
>  Based on client mac address I would like to place some clients in 195.x.x.0/24 (public ip)subnet.
> I have set both the pools for 10.1.0.0 and 195.x.x.0 subnets in dnsmasq.conf and placed mac address ip address pairs to /etc/ethers file for clients have to get public address. But the specified clients still get ip from 10.1.0.0 pool. Is there a possibility to force dnsmasq to ignore the DHCP relay address and try to give out address even in case of subnet missmatch?

Just to be sure, you're saying both these subnets are used on the same
logical network (i.e. they can reach each other directly without
passing through a router)?

>
> Thank you in advance,
>
> T.
>
>
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