anchor.diff:  net.ipv4.icmp_ratemask = 88089
   
   # Disable or Enable IPv6 as it is needed.
  -net.ipv6.conf.all.disable_ipv6 = <%= ((@node['network']['ipv6']['enable']) ? "0" : "1") %>
  +net.ipv6.conf.all.disable_ipv6 = <%= ((@node['network']['ipv6']['enable']) ? 0 : 1) %>
   
   # Protect against wrapping sequence numbers at gigabit speeds:
   net.ipv4.tcp_timestamps = 0
  
positive.code: #           other interfaces, with the hope we will receive reply for our
  #           request and even sometimes no matter the source IP address we
  #           announce.
  net.ipv4.conf.eth0.arp_ignore = <%= ((@node['network']['arp']['restricted']) ? "1" : "0") %>
  
  
  # Define different modes for sending replies in response to received ARP requests that resolve local target IP addresses:
  
negative.code: # ----------
  
  # Only enable IP traffic forwarding, if required.
  net.ipv4.ip_forward = <%= ((@node['network']['forwarding']) ? 1 : 0) %>
  net.ipv6.conf.all.forwarding = <%= ((@node['network']['forwarding']) ? 1 : 0) %>
  
  # Enable RFC-recommended source validation feature. It should not be used for
  # routers on complex networks, but is helpful for end hosts and routers serving
  