Setup Neutron&Dnsmasq on Two Node GRE+OVS F20 Cluster to launch VMs with MTU 1454 automatically

Posted by dba477 on Mar 17, 2014 8:07 PM EDT; By Boris Derzhavets
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When you first time boot cloud instance (RDO Havana) via `nova boot ..` or via Dashboard associated with ssh keypair , the default MTU value for eth0 of instance has been built would be 1500. The last one in case of GRE tunnelling makes useless attempt to connect to instance via ssh.

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