OpenVZ - Reverse path filtering (rp_filter ) - sysctl.conf

If you come across packet loss problem with the OpenVZ VMs, change rp_filter (Reverse path filtering ) to loose mode (rp_filter = 2) on the hardware node to fix the intermittent network connection loss in the VM's. 

####sysctl.conf variables###
net.netfilter.nf_conntrack_max = 196608
net.nf_conntrack_max = 196608
net.ipv4.conf.default.rp_filter = 2
net.ipv4.conf.all.rp_filter = 2

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