On 2016-10-13 00:51, Brian E Carpenter wrote:
[..]
> Kernel IPv6 routing table
> Destination                    Next Hop                   Flag Met Ref Use If
> fd00::/64                      fe80::be05:43ff:fe8e:ce39  UG   600 1    12 
> wlp2s0
> fe80::/64                      ::                         U    256 0     0 
> wlp2s0
> ::/0                           ::                         !n   -1  1   137 lo
> ::1/128                        ::                         Un   0   3     7 lo
> fd00::c5bb:40f2:f3d5:94e4/128  ::                         Un   0   3    19 lo
> fe80::9051:543a:4c9e:e93e/128  ::                         Un   0   2    11 lo
> ff00::/8                       ::                         U    256 2  1763 
> wlp2s0
> ::/0                           ::                         !n   -1  1   137 lo

Do you receive those prefixes over RA or manual config?
Is forwarding enabled? What does the ra_accept sysctl say?

Also 'ip -6 ro get <prefix>' can be very useful to check where the
routing table thinks packets are supposed to go.

In general on a Linux install from the last decade or so, avoid
'netstat' and 'ifconfig' and use iproute: 'ip ro sho' or 'ip -6 ro sho',
'ip -6 addr show'

Greets,
 Jeroen

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