Hello,
please help us to setup IPv6 in openvpn. we are not able to fix. do you
have any complete guide for IPv6
Thanks & Regards,
*krishna kumar.*
*BLAZE* Web Services Private Limited
*http://blaze.ws <http://blaze.ws/>*
Ph:9025111144
On Fri, May 11, 2018 at 8:00 PM, Kor Korrd <
kor.korrd+openvpn-us...@gmail.com> wrote:
> Hi,
>
> I am struggling with MTU Problems with a lot of clients, which usually
> results in unusable slow connections.
>
> So I was thinking on how to solve the problem so that almost any client
> can connect to my VPN regardless if their ISP has a reduced MTU.
> After a lot of reading about this MTU topic and possible solutions with
> OpenVPN, I was more confused than enlightened, because the possible
> solutions vary and the documentation regarding MTU options is not
> unambiguous.
>
> Therefore I would like to ask you for some advice regarding MTU problems
> and solutions and furthermore some comments on my solutions or if I made
> some mistakes (e.g. calculating the MTUs).
>
> Following on I will only give the OpenVPN options of relevance. The VPN
> Server is reachable through IPv4+IPv6 and has also IPv4+IPv6 inside the
> tunnel, so it is completely Dual-Stack.
> proto udp6
> server *some IPv4 net*
> server-ipv6 *some IPv6 net*
>
> Basically I came up with two solutions:
> 1. using a combination of
> tun-mtu 1500
> fragment 1300
> mssfix
> to let the the tunnel appear with a normal MTU even when the ISP can not
> handle it and let OpenVPN fragment the packages so that they will fit
> through the Internet connection.
>
> Or 2. make actually the tunnel smaller and let the operating-system
> fragment the packets:
> tun-mtu 1300
> mssfix 1360
>
> In a test with several different clients I found out, that the second
> solution is about 10-20% faster than the first one but has a 30% longer
> ping. I favourite the second solution for now, but I am not sure if my
> mssfix value makes any sense.
> Furthermore some clients report some speed/ping problems with both
> solutions.
>
> I appreciate any help and insight :)
>
> Best regards,
> Kor
>
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