[CentOS] Re: ISC dhcpd and Vista clients
ssilva at sgvwater.com
Thu Jul 31 19:41:50 UTC 2008
on 7-31-2008 12:24 PM Tim Utschig spake the following:
> On 07/31/08 12:02, Scott Silva wrote:
>> The other answer is to get ISC dhcpd to honor the broadcast flag, and
>> broadcast all packets instead of unicasting the answer packets. That I
>> can't find a setting for.
> I have no Vista clients to test with, but have you tried
> "always-broadcast on;" ?
> From "man dhcpd.conf" on CentOS 5.2:
> always-broadcast flag;
> The DHCP and BOOTP protocols both require DHCP and BOOTP clients
> to set the broadcast bit in the flags field of the BOOTP
> message header. Unfortunately, some DHCP and BOOTP clients do
> not do this, and therefore may not receive responses from the
> DHCP server. The DHCP server can be made to always broadcast
> its responses to clients by setting this flag to 'on' for the
> relevant scope; relevant scopes would be inside a conditional
> statement, as a parameter for a class, or as a parameter for a
> host declaration. To avoid creating excess broadcast traffic
> on your network, we recommend that you restrict the use of this
> option to as few clients as possible. For example, the
> Microsoft DHCP client is known not to have this problem, as are
> the OpenTransport and ISC DHCP clients.
SO... I have to flood my network with broadcast traffic or pay the microsoft
extortion... Bill strikes again!
Thanks for that. I had been reading the dhcp man page (I should say book! What
a long one.) I guess I missed that. I'll have to set any Vista clients to
named hosts so I can limit the traffic.
According to that man page, ISC implies that Vista is broken, and Microsoft
implies that ISC is broken. Were playing the blame game again!
How fun! ;-P
And I thought it was going to get boring...
MailScanner is like deodorant...
You hope everybody uses it, and
you notice quickly if they don't!!!!
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