DHCP: ARP issue, FR2.x vs FR 3.x
aland at deployingradius.com
Fri Jan 13 16:17:44 CET 2012
Fajar A. Nugraha wrote:
> First, while migrating my old test config, I forgot to uncomment
> mac2ip, which means there are no DHCP-Your-IP-Address attribute. When
> it receive dhcp discover packet, the server died with
> I don't think it should do that.
Nope. I've pushed a fix.
> Second, there's still no packet sent to the client. And there's
> nothing in the debug log about updating
> ARP cache. FR debug log (starting from dhcp section):
It doesn't print a debug message, but you can add one. See
src/main/dhcpd.c, look for "arp".
> If I manually force add arp entry using "arp -i dummy1 -s
> 172.16.101.101 08:00:27:a2:13:b9", then it works. Looks like there's
> still problem in arp cache update code.
I don't have time to test this myself.
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