dhcpcd-discuss

I checked out the latest source and PD is working correctly once again. Thanks
for the quick fix! As for the leases I did have a problem with releasing and
renewing leases with PD occasionally previously. I will check how this goes and
send my findings if any problem occurs.

Spyros

On 03/12/2014 03:02 AM, Roy Marples wrote:
> Hi!
> 
> On 11/03/2014 17:51, Spyros Stathopoulos wrote:
>> I have been using dhcpcd for about a year now as a prefix delegation client for
>> my home network. dhcpcd acquires a /56 from the ISP on the ppp interface (ppp0)
>> and assigns a /64 address to the internal LAN interface (int0). Everything else
>> is handled by SLAAC. In case it is of any use, I also assign a local unicast
>> address to my clients in order to preserve ipv6 connectivity within my LAN even
>> if Internet is down (this is handled by dnsmasq/SLAAC along with dhcpv4). My
>> configuration file is pretty simple and has served me nice so far.
>>
>> duid
>> ipv6only
>> # without noipv6rs dhcpcd picks my
>> # local unicast address instead
>> noipv6rs
>> interface ppp0
>> ia_pd 1 int0
>>
>> Until 6.2 everything worked fine (dhcpcd6.conf is the config file above)
>>
>> # /usr/bin/dhcpcd -B -6 --waitip -f /etc/dhcpcd6.conf
>> dhcpcd[4710]: version 6.2.1 starting
>> dhcpcd[4710]: DUID 00:01:00:01:1a:0c:ec:07:90:2b:34:d7:a7:61
>> dhcpcd[4710]: ext0: IAID 34:d7:a7:61
>> dhcpcd[4710]: int0: IAID 34:d7:a7:41
>> dhcpcd[4710]: ppp0: IAID 00:00:00:00
>> dhcpcd[4710]: ppp0: IAID 00:00:00:01
>> dhcpcd[4710]: ppp0: confirming Prefix Delegation
>> dhcpcd[4710]: ppp0: REPLY6 received from fe80::eab7:48ff:fefe:ca00
>> dhcpcd[4710]: int0: adding address 2a02:2149:[whatever]
>> dhcpcd[4710]: ppp0: renew in 21600 seconds, rebind in 34560 seconds
>>
>> However with 6.3 I am taking this, and of course int0 has no global unicast
>> address from the ISP
>>
>> dhcpcd[4471]: version 6.3.1 starting
>> dhcpcd[4471]: DUID 00:01:00:01:1a:0c:ec:07:90:2b:34:d7:a7:61
>> dhcpcd[4471]: ext0: IAID 34:d7:a7:61
>> dhcpcd[4471]: int0: IAID 34:d7:a7:41
>> dhcpcd[4471]: ppp0: IAID 00:00:00:00
>> dhcpcd[4471]: ppp0: IAID 00:00:00:01
>> dhcpcd[4471]: ppp0: confirming Prefix Delegation
>> dhcpcd[4471]: ppp0: dhcp6_sendmessage: sendmsg: Invalid argument
>> dhcpcd[4471]: timed out
>>
>> Is this a dhcpcd issue? It is entirely possible that this is a misconfiguration
>> on my part, but so far it worked ok. Any ideas on what to look for?
> 
> Entirely my fault.
> Fixed here:
> http://roy.marples.name/projects/dhcpcd/fdiff?v1=0090629d5fbba20b&v2=696b08430bcf23b1&sbs=1
> 
> 
> A subsequent patch as well to adjust the hop limit for DHCP messages:
> http://roy.marples.name/projects/dhcpcd/ci/202b0d24e5?sbs=0
> 
> Can you also test that the renew/confirm steps work with PD in 6.3 as well?
> With the patch of course :)
> Could be easier to test the latest dhcpcd code in fossil though as a few
> related fixes have since gone in.
> 
> Thanks
> 
> Roy
>