On 2016-07-29, kasak <ka...@kasakoff.net> wrote: > Hello everybody. I have a strange issue with ipv6 on my router. I have a > HE.net tunnel on gif0: > > here is my hostname.gif0: > > $ cat /etc/hostname.gif0 > tunnel 91.210.228.4 216.66.86.114 > inet6 alias 2001:470:6c:12d::2 128 > dest 2001:470:6c:12d::1 > !route -n add -inet6 default 2001:470:6c:12d::1 > > my routable net is 2001:470:6d:12d:: > > I have added address 2001:470:6d:12d::e1 on my em1 (lan) interface and > can successfully ping it from lan network > > but if I add 2001:470:6d:12d::e0 to em0 interface none of my lan > computers can ping it. disabling of pf doesn't solve issue. > > I have rtadvd enabled on em1. here is hostname.em1: > > inet 192.168.0.1 255.255.255.0 > inet6 2001:470:6d:12d::e1 64 > > Does somebody know what I am doing wrong? > >
You need more subnets. What you are doing now is like having 10.0.0.1/24 on one interface and 10.0.0.2/24 on another separate interface. Machines on a network attached to one interface can't resolve the address by ARP (in the case of IPv4) or NDP (in the case of IPv6) for the address on the other interface. I'm not too familiar with he.net's setup any more, but it's fairly common for a tunnel broker to give you a /48 which you can divide up yourself.
