dhcp3 IP address allocation based on part of MAC doesn't work

[b5b5b5b5]

Hm, didn't thought about that it was needed to deny the "class-ed" MAC 
addresses.
Anyway, now it works.

Thx a lot.
Daniel


Simon Hobson wrote:
> b5b5b5b5 wrote:
> 
>> For few last days i'm trying to find why the IP address allocation 
>> based on part of MAC doesn't work.
>> Everything else works fine.
>> But when i try to make some allocation based on the part of MAC 
>> address, e.g.:
>>
>> class "vm-vmware" {
>>     match if substring (hardware, 1, 2) = 00:0C:29;
>> }
>>
>> subnet 192.168.0.0 netmask 255.255.0.0 {
>>     range 192.168.20.160 192.168.20.240;
>>     option subnet-mask 255.255.0.0;
>>     pool {
>>         range 192.168.23.50 192.168.23.150;
>>         allow members of "vm-vmware";
>>         option subnet-mask 255.255.0.0;
>>         option routers 192.168.22.1;
>>         option broadcast-address 192.168.23.255;
>>     }
>> }
>>
>> ... then it doesn't work.
>> The destination system takes it's IP address from the first range: 
>> "range 192.168.20.160 192.168.20.240".
> 
> That's because you didn't tell the server that those clients CAN'T use 
> that range.
> 
> You need :
> 
> subnet 192.168.0.0 netmask 255.255.0.0 {
>     pool {
>         range 192.168.20.160 192.168.20.240;
>         deny members of "vm-vmware";
>     }
>     option subnet-mask 255.255.0.0;
>     pool {
>         range 192.168.23.50 192.168.23.150;
>         allow members of "vm-vmware";
>         option subnet-mask 255.255.0.0;
>         option routers 192.168.22.1;
>         option broadcast-address 192.168.23.255;
>     }
> }
>