+default_attributes(
+ :networking => {
+ :roles => {
+ :internal => {
+ :inet => {
+ :prefix => "20",
+ :gateway => "10.0.0.3"
+ }
+ },
+ :external => {
+ :zone => "ucl",
+ :inet => {
+ :prefix => "24",
+ :gateway => "128.40.168.126"
+ }
+ }
+ }
+ },
+ :sysctl => {
+ :sack => {
+ :comment => "Disable SACK as the UCL firewall breaks it",
+ :parameters => {
+ "net.ipv4.tcp_sack" => "0"
+ }
+ }
+ }
+)
+