Tuesday, September 05, 2017

Re: Amazon AWS, OpenBSD and IPv6

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Hi...

Are you sure than AWS provide dhcpv6? or slaac?


Le 09/05/17 à 11:45, Zbyszek Żółkiewski a écrit :
> Thanks, but it also do not work:
>
> cat /etc/hostname.xnf0
> dhcp
> inet6 autoconf
>
> ksh /etc/netstart
> DHCPREQUEST on xnf0 to 255.255.255.255
> DHCPACK from 172.30.0.1 (06:21:2f:5e:51:4d)
> bound to 172.30.0.120 -- renewal in 1800 seconds.
>
> ifconfig xnf0
> xnf0: flags=208843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,AUTOCONF6> mtu 1500
> lladdr 06:e2:3b:b3:f6:52
> index 1 priority 0 llprio 3
> groups: egress
> media: Ethernet manual
> status: active
> inet6 fe80::4e2:3bff:feb3:f652%xnf0 prefixlen 64 scopeid 0x1
> inet 172.30.0.120 netmask 0xffffff00 broadcast 172.30.0.255
>
> as you can see only fe80 is there...
>
> _
> Zbyszek Żółkiewski
>
>> Wiadomość napisana przez Janne Johansson <icepic.dz@gmail.com> w dniu 05.09.2017, o godz. 11:30:
>>
>> That is not DHCPv6 but SLAAC. Perhaps that is why you get confused by people saying openbsd doesn't have dhcpv6 in base.
>>
>> https://en.wikipedia.org/wiki/IPv6#Stateless_address_autoconfiguration_.28SLAAC.29
>>
>> 2017-09-05 11:27 GMT+02:00 Zbyszek Żółkiewski <zbyszek@onefellow.com>:
>> AWS uses DHCP, so i need DHCP to configure it, when i do manually:
>>
>> ifconfig xnf0 inet6 2a05:d018:501:3802:82b7:5ec2:6403:992b/64 autoconf up
>>
>> then:
>>
>> # ping6 google.com
>> PING google.com (2a00:1450:400b:c03::66): 56 data bytes
>> 64 bytes from 2a00:1450:400b:c03::66: icmp_seq=0 hlim=49 time=1.148 ms
>> 64 bytes from 2a00:1450:400b:c03::66: icmp_seq=1 hlim=49 time=1.219 ms
>>
>> any other place to look for possible misconfiguration of DHCP?
>>
>> _
>> Zbyszek Żółkiewski
>>
>>> Wiadomość napisana przez Stephane HUC PengouinBSD <bsd@stephane-huc.net> w dniu 05.09.2017, o godz. 11:20:
>>>
>>> Hi...
>>> Perhaps, It is possible that I did not understand the question!
>>>
>>> But :
>>> - for OpenBSD 6.1, use 'ipv6 autoconf' into your iface file
>>> - for oldiers OpenBSD, use 'rtsol'.
>>>
>>>
>>> Le 09/05/17 à 11:12, Zbyszek Żółkiewski a écrit :
>>>>>
>>>>> Wiadomość napisana przez Peter Hessler <phessler@theapt.org> w dniu 05.09.2017, o godz. 11:05:
>>>>>
>>>>> OpenBSD's dhclient is IPv4 only. We do not have an IPv6 DHCP client in
>>>>> base.
>>>>
>>>> how does it works then on vultr for example where in same setup IPv6 is leased from DHCP? I do not see any other daemons running there...
>>>>
>>>> _
>>>> Zbyszek Żółkiewski
>>>>
>>>
>>> --
>>> ~ " Fully Basic System Distinguish Life! " ~ " Libre as a BSD " +=<<<
>>> ----
>>> <me>Stephane HUC as PengouinBSD or CIOTBSD</me>
>>> <mail>bsd@stephane-huc.net</mail>
>>>
>>
>>
>>
>>
>> --
>> May the most significant bit of your life be positive.
>

--
~ " Fully Basic System Distinguish Life! " ~ " Libre as a BSD " +=<<<
----
<me>Stephane HUC as PengouinBSD or CIOTBSD</me>
<mail>bsd@stephane-huc.net</mail>

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