[syslinux] Network Boot IP Configuration Dilemma

[H. Peter Anvin]

Stephen Brown wrote:
> On Mon, 8 Sep 2003, Fred Feirtag wrote:
> 
> 
>>>The thing is, if someone is running a rogue DHCP server on your network,
>>>you'd have people's workstations hanging anyway.
>>>
>>
>>Yes, though since my Linux server is often faster than the MS
>>servers that may appear from time to time, the hanging on bootup
>>can be rather intermittant.  And I guess the conclusion is, I see
>>reducing the number of failure modes, and reducing the ways
>>failures will be seen and reported by users as a priority, and you
>>see uniformity of usage as a priority.
> 
> 
> I'll interject here that we are seeing more Mac Powerbooks show up as
> rogue DHCP servers -- seems that the default configuration is to set up
> ad-hoc networks... Macs seem to listen to the other Macs rather than our
> Cisco access points if they are available.  Really a weird one to
> troubleshoot.  Off topic, I'll admit, but if you are looking for
> solutions to rogue DHCP servers, it might be something to watch for.

EEK.  Geez... that's just insane.  You can't even firewall them off
since DHCP is inherently local -- I guess you can filter if your layer-2
switches are sufficiently smart, but I can't imagine a more disruptive
default configuration.

	-hpa