dhcpcd-discuss

On Tuesday 11 August 2009 16:57:35 Ira W. Snyder wrote:
> The network where I am using dhcpcd is unfortunately buggy, and has two
> DHCP servers. I've tcpdumped the DHCP transaction, and one server sends
> an ACK while the other sends a NAK. The NAK comes while dhcpcd is
> testing the ip address with ARP. Blacklisting the NAKing server makes
> dhcpcd-4.0.12 work, as does using the -A option to disable ARP.
>
> I've read the mailing list archives, and noticed that dhcpcd-5.0.7
> should solve this problem by closing the socket listening for DHCP
> responses after receiving an ACK. So I decided to upgrade.

Yes, and fixing dhcpcd-4 for this issue may not happen soon.

> ===== 1: setting timeout to 0 does not wait indefinitely =====

Fixed here
http://roy.marples.name/projects/dhcpcd/changeset/cc04558143c1880167b61d4c8efe8b626ce46c87

> ===== 2: using the -p (persistent) option doesn't work =====

Fixed here
http://roy.marples.name/projects/dhcpcd/changeset/4b6d642fbd14ea690888e11a03b6f6ec148f1020

The same fixes have been pushed to the master and dhcpcd-5 branches.

Thanks for your detailed and accurate problem report :)

Roy