Netmask issue

[Antonio Guerrieri]

On Oct 1, 2009, at 6:26 PM, Simon Hobson wrote:

> At 17:16 +0200 1/10/09, Antonio Guerrieri wrote:
>> Hi all,
>> I have a dhcp3 server running on debian lenny hosted as virtual  
>> machine on a xen server.
>>
>> I am testing a new wireless system and I configured the dhcp in  
>> this way:
>>
>> subnet 10.0.200.0 netmask 255.255.254.0 {
>>    range 10.0.200.10 10.0.201.254;
>>
>>    option broadcast-address 10.0.201.255;
>>    option routers 10.0.200.1;
>> }
>>
>> Well, mac and windows clients receive all 255.255.255.0 as netmask  
>> and they "mysteriously" work "perfectly".
>>
>> Some linux client (slackware) refuse, correctly, such netmask.
>>
>> Sniffing packets revealed that clients receive 255.255.255.0.
>
> What happens if you specify a value for the netmask option ? Ie :
>  option netmask 255.255.254.0

I get this error when restarting:

Internet Systems Consortium DHCP Server V3.1.1
.
.
/etc/dhcp3/dhcpd.conf line 87: unknown option dhcp.netmask

Thanks for reply.

Antonio


>
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>
> -- 
> Simon Hobson
>
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