[ipv6-wg] IPv6-only network at RIPE70

On Tue, May 12, 2015 at 3:00 PM, Jen Linkova <furry13 at gmail.com> wrote:
> On Tue, May 12, 2015 at 2:50 PM, Jérôme Fleury <jerome at fleury.net> wrote:
>> I suspect Dropbox to hardcode their IP in their application. It's not
>> working at all on ipv6-only.
>
> Yeah, looks like that:
>
> furry at Wintermute:~>sudo tcpdump -i en0 -s 1500 -n  'net
> 64:ff9b::6ca0:0/120 or net 108.160.172.0/24'
> tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
> listening on en0, link-type EN10MB (Ethernet), capture size 1500 bytes
> 14:59:48.934365 ARP, Request who-has 108.160.172.193 tell
> 169.254.64.90, length 28
> 14:59:49.323255 ARP, Request who-has 108.160.172.204 tell
> 169.254.64.90, length 28
> 14:59:50.019231 ARP, Request who-has 108.160.172.193 tell
> 169.254.64.90, length 28
> 14:59:50.420251 ARP, Request who-has 108.160.172.204 tell
> 169.254.64.90, length 28

Seems to be a know issue:
https://www.dropboxforum.com/hc/communities/public/questions/203283805-IPv6-Support-

"After checking in with our engineering team, unfortunately we can't
commit to a timeline for IPv6 access right now. "

However I do see some difference between 'not support v6' and
'hardcode v4 addresses' ;-\


-- 
SY, Jen Linkova aka Furry