DHCP client how to make it pose as windows dhcp client

Lars Jacobsen lars-jacobsen at newmail.dk
Sun Apr 27 09:56:07 UTC 2008

Arup Malakar <amalakar at gmail.com> wrote:

> Hello dhcp-users,
> The isp dhcp server doesn't offer me network details if I am
> requesting it from Linux. If I request the same from windows it
> happily grants me
> ip address along with other details. Is their a way I could configure
> dhclient to pose as windows so that the isp doesn't know I am on
> linux and grants me ip address.
> I am using Reliance, WiMax. Where the basestation is connected to an
> antenna, and I connect my laptop using a lan chord to the base
> station.
> I first need to get the network configuration using dhcp and then
> authenticate in the ISP's web interface. But when I am on Linux
> acquiring network address using dhcp client
> itself fails. I tried the following configuration in
> /etc/dhcp3/dhclient.conf
> interface "eth0" {
> send dhcp-client-identifier 1:XX:XX:XX:XX:XX:XX;
> send dhcp-lease-time 86400;
> send vendor-class-identifier "MSFT 5.0";
> }
> Where XX:XX:XX:XX:XX:XX is the mac address of the ethernet card. I
> tried this configuration
> both in Ubuntu Gutsy, Debian Etch but no luck till now. I am
> desperate to get internet connection on
> my linux boxes. I would appreciate any help/pointer.
> Thanks and Regards,
> Arup Malakar

Have you tried releasing the IP form Windows before requesting IP from
Linux. Or let the lese time out. If neigher worksy you should contact the
ISP to hear if they may have something misconfigured.



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