Surfing Internet & SSH connectoin on (to) cloud instance of Fedora 20 or Ubuntu 13.10 via Neutron GRE

Posted by dba477 on Feb 2, 2014 3:28 AM EDT
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When you meet the first time with GRE tunnelling you have to understand that GRE encapsulation requires 24 bytes and a lot of problems raise up , view http://www.cisco.com/en/US/tech/tk827/tk369/technologies_tec... In particular, Two Node (Controller+Compute) RDO Havana cluster on Fedora 20 hosts been built by myself per guidelines from http://kashyapc.wordpress.com/2013/11/23/neutron-configs-for... was Neutron GRE cluster. Hence, for any instance has been setup (Fedora or Ubuntu) problem with network communication raises up immediately. Apt-get update just refuse to work on Ubuntu Salamander Server instance (default MTU value for Ethernet interface is 1500).

In particular, Two Node (Controller+Compute) RDO Havana cluster on Fedora 20 hosts been built by myself per guidelines from http://kashyapc.wordpress.com/2013/11/23/neutron-configs-for... was Neutron GRE cluster. Hence, for any instance has been set up (Fedora or Ubuntu) problem with network communication raises up immediately. Apt-get update just refuse to work on Ubuntu Salamander Server instance (default MTU value for Ethernet interface is 1500).

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