I have several Ubuntu 12.04.2 64bit server VMs running under XenServer 6.1.
Whenever they are left for ~30 mins with no traffic over ipv6, the network becomes unavailable, requiring the restart of the networking service to bring it back up. IPv4 is still active.
They are able to ping other VMs running on the same Host OS, but nothing above the host, even though the host and other VMs have IPv6 access.Code::~# ping6 google.com connect: Network is unreachable
Any help is appreciated. Wader