Guys, I am not detecting any problems related to "MTU = 1500" when using VXLAN!
It is easy to reproduce the "GRE MTU problem", when using GRE tunnels with MTU = 1500, from a Instance, it is impossible to use RubyGems (Ubuntu 12.04 Instance), for example, "gem install bundler" (neither "bundle install" your RoR App) doesn't work with MTU 1500 on top of a GRE tunnel, with MTU 1400 is fine. But, now with VXLAN, I'm using MTU 1500 again without any problems! Honestly, I don't know for sure if RubyGems changed too or, if it is related to VXLAN being a bit better than GRE, anyway, I'll keep my Havana cloud running with MTU 1500 from now on. Cheers! Thiago
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