I don't have time to walk you through all the details and troubleshoot - but
while 1440 might be a good choice, I'd probably pick something like 1400 or
even 1380. As I've said a few times - if you pick an MTU of 1440 and you really
needed 1339, it won't work. But if you pick 1400 and it could have been as big
as 1440 it will still work, with *slightly* less efficient through-put of
useable data.
Picking exactly 1440, trying one MTU and giving up, seems pretty
counter-productive. [There are some tutorials on testing and picking the
optimal MTU, a Google search might be useful. However, IME, picking something a
bit smaller than your tested optimal MTU helps should something else occur that
reduces the MTU further in a different/new connection.]
Test several MTU sizes; I tend to vary them by say 20 bytes each try.
[TLDR; I'd rather have my MTU 100 bytes too small than 1 byte too large -
because one byte too large will probably fail and 100 bytes too small will
still work [while being slightly less efficient than the maximum.]
Good luck!
F> I am unable to compile 2.4.6. I had compiled 2.4.4 but it would not
F> run.
F> I just tried setting the link-mtu to 1440 with 2.0.9 on the server and that
F> did not work. I was able to connect but still server errors when trying
F> to surf. Plus it
F> gave me inconsistant mtu errors in the log.
F> On 9/26/18 10:42, Gert Doering wrote:
>> HI,
>> On Wed, Sep 26, 2018 at 10:13:09AM -0400, Frank wrote:
>>> The server has an IPV6 address, and it is dual stack. I am not
>>> sure if openvpn was compiled
>>> with ipv6 support. It is openvpn-2.0.9. Let me see what I can do.
>> If you run openvpn 2.0.9 on the *server*, you should upgrade.
>> Like, yesterday...
>> Current release is 2.4.6. More modern cipher support (AES-GCM), much
>> better IPv6 support (inside and outside the tunnel), a number of security
>> issues fixed, ...
>> gert
F> _______________________________________________
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F> Openvpn-users@lists.sourceforge.net
F> https://lists.sourceforge.net/lists/listinfo/openvpn-users
--
Gregory Sloop, Principal: Sloop Network & Computer Consulting
Voice: 503.251.0452 x82
EMail: gr...@sloop.net
http://www.sloop.net
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