[Dnsmasq-discuss] DHCP Issue

Simon Kelley simon at thekelleys.org.uk
Sun Jul 22 17:27:59 BST 2007

Steven wrote:
> Many thanks!!!
> I disabled checksum offload with this command:
> sudo ethtool -K eth0 rx off tx off
> and now everything works... :)

Good to find it.

That explains the discrepancy between ISC dhcpd and dnsmasq too. dhcpd 
will be calculating the checksum itself and sending raw packets, thus 
avoiding the broken hardware. dnsmasq trusts the kernel, and gets 



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