I have IPv6 point to point connection. Going to transmit IPv4 inside IPv6 tunnel.
client has IPv6 AAAA:BBBB:CCCC::2 gateway has IPv6 AAAA:BBBB:CCCC::1 Martin ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Friday, May 8, 2020 8:55 PM, Brian Brombacher <br...@planetunix.net> wrote: > From your description, you want to pass IPv4 inside a tunnel that has an > outer protocol of IPv6. Your resulting hostname.gif0 looks like the exact > opposite of your description (IPv6 inside the tunnel with IPv4 outer). > > Clarify what you need please. Provide your existing hostname.if files for the > other interfaces if you need to. > > > On May 8, 2020, at 3:09 PM, Martin martin...@protonmail.com wrote: > > Last thing I have to understand about gif(4) and IPv6 tunneling. > > Should I set gif(4) 'inet6 alias' = the same IPv6 of the local end of IPv6 > > tunnel interface or just set 'inet6 alias' for gif(4) in tunnel's IPv6 > > subnet? > > Martin > > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ > > > > > > On Friday, May 8, 2020 4:41 PM, Tom Smyth tom.sm...@wirelessconnect.eu > > > > wrote: > > > > Hi Martin, > > > > If I understand your question correctly > > > > you need 2 endpoints to the tunnel... > > > > for gif(4) or any gre((4) based tunnel > > > > you need the interface setup on both the client and the server (gateway) > > > > if you have a gateway serving multiple clients... then you need one > > > > interface per client that you intend to connect > > > > Thanks > > > > Tom Smyth > > > > On Fri, 8 May 2020 at 17:38, Martin martin...@protonmail.com wrote: > > > > Thanks for confirmation. > > > > Hope I understand gif(4) functionality right from its configuration. > > > > Can I set /etc/hostname.gif0 from client's side only like below: > > > > /etc/hostname.gif0 > > > > tunnel 10.20.30.40 195.203.212.221 > > > > inet6 alias 2001:05a8:0000:0001:0000:0000:0000:8542 128 > > > > dest 2001:05a8:0000:0001:0000:0000:0000:8541 > > > > where > > > > tunnel 10.20.30.40 is client's address, 195.203.212.221 gateway machine > > > > egress IPv4 > > > > inet6 alias is the same IPv6 address of client's IPv6 local interface > > > > or an IPv6 address in the same subnet. > > > > dest IPv6 is a destination IPv6 interface address of gateway machine. > > > > Do I need to setup gif0 on gateway machine to have encapsulation > > > > working? > > > > Martin > > > > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ > > > > > > > > > On Friday, May 8, 2020 1:43 PM, Kristjan Komlosi > > > > > kristjan.koml...@gmail.com wrote: > > > > > gif(4) should work fine, as it's designed to do what you described. > > > > > The > > > > > best approach depends on the level of security you want to achieve. > > > > > IPIP > > > > > tunnels aren't encrypted... > > > > > regards, kristjan > > > > > On 5/8/20 3:32 PM, Martin wrote: > > > > > > > > > > > I have IPv6 unidirectional tunnel between two machines. One of them > > > > > > is gateway, another one is a client. > > > > > > The goal is to route IPv4 packets over IPv6 tunnel from client to > > > > > > gateway and NAT IPv4 packet to egress on gateway machine. > > > > > > May I use gif(4) for it or what is the best approach to traverse > > > > > > IPv4 packets over IPv6 tun? > > > > > > Martin > > > > > > -- > > > > > > Kindest regards, > > > > > > Tom Smyth.
