Re: ARP probe not checking for valid IP in reply
Roy Marples
Mon Jun 06 09:46:00 2016
Hi Diana
On 02/06/2016 20:27, Eichert, Diana wrote:
> I am running 6.11.0 on RHEL 6.8.
>
> I see the following when the system makes a DHCP request. The DHCP
> server provides a valid IP address, but when the system does an ARP
> request for the assigned IP address a broken system on the network
> responds that it is "0.0.0.0".
>
> SNIP eth1: ARP probing 10.3.8.204 (1 of 3), next in 1.6 seconds eth1:
> hardware address 00:16:5d:4f:53:ac claims 0.0.0.0 SNIP
>
> My last C coding was done ~ 25 years ago, but it looks like the code
> does not check whether the ARP reply is valid, but ARP reply !NULL.
> I did see where ARP replies from itself are ignored.
>
> I submitted a ticket too.
http://roy.marples.name/projects/dhcpcd/info/05a4883e1e
Should be fixed for the next release.
Roy
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