ip address on lan getting hijacked

mike mike at mga.demon.co.uk
Sat May 31 10:06:43 UTC 2008


Raghu Vadapalli wrote:
> this is what I did with my home setup. on my wireless router set the 
> start address to be 1+ of the static ip address poool. let's say your 
> static ipaddress pool is from 192.168.1.2 <http://192.168.1.2> to 
> 192.168.1.15 <http://192.168.1.15> and use 192.168.1.16 
> <http://192.168.1.16> as your DHCP pool start address.
>
> On Fri, May 30, 2008 at 8:54 PM, SYNass IT Ubuntu / Linux 
> <i-ubux at synass.net <mailto:i-ubux at synass.net>> wrote:
>
>
>     On Fri, 2008-05-30 at 16:11 -0600, Karl Larsen wrote:
>     > chris dunn wrote:
>     > > My home lan is set up based upon a Linksys wireless access
>     point and router
>     > > which has an address of 192.168.1.1 <http://192.168.1.1>.
>     >     OK the router has a old standard 192.168.1.x ip.
>     >
>     > >  My main work station is set with a
>     > > static ip address of 192.168.1.2 <http://192.168.1.2>, (in
>     /etc/network/interfaces) and I use
>     > > other work stations to access this machine via nxclient and
>     nxserver (running
>     > > on 192.168.1.2 <http://192.168.1.2>).
>     > >
>     > >
>     >     In other words you set the work station with a static ip of
>     > 192.168.1.2 <http://192.168.1.2> and it works. From a router I
>     always use DHCP so the router
>     > just gives me the next ip/
>     > > All works well until 9.30 a.m. every morning when 192.168.1.2
>     <http://192.168.1.2> is taken down
>     > > and reset to 192.168.1.100 <http://192.168.1.100>, apparently
>     by dhclient accessing the dhcp server
>     > > running on the wap.
>     >     Your wireless part of the router is causing the problem.
>     >
>     > >  Any nxclient connections crash as the nxserver ip address
>     > > has changed.
>     > >
>     > > Syslog provides the following messages :
>     > >
>     > > May 30 09:30:04 bessie dhclient: DHCPREQUEST of <null address>
>     > > Tia.
>     > >
>     > >
>     >     To fix this put your work station not on static but DHCP and
>     relax.
>     > It will change but who cares?
>     >
>     > Karl
>
>
>     Hi Karl,
>     Your suggestion isn't accurate ...
>     ... the OP clearly wants to have static IP adresses,
>     so your hint is nonsense !!!
>
>     You may go as you like and be happy !!  ;-)
>     Myself too I always prefer static IP's in my setups ! ;-D
>
>     Cheers, svobi
>
>
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>
having now read this i see the problem change your router to static IPs 
that is the prob.its trying to recycle then at 09.30 why use a router 
when your machine is acting as a router?




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