help: Hash size for connection tracking table
type: u32

default: 4096

val_help: u32:1-50000000; Size of hash to use for connection tracking table

syntax:expression: ($VAR(@) >= 1 && $VAR(@) <= 50000000) ; "Value must be between 1 and 50000000"

update:
        if ! grep -q "nf_conntrack hashsize=$VAR(@)$" /etc/modprobe.d/vyatta_nf_conntrack.conf
        then
          sudo sh -c "sed -i -e '/options nf_conntrack hashsize/d' \
                /etc/modprobe.d/vyatta_nf_conntrack.conf"
          sudo sh -c "echo options nf_conntrack hashsize=$VAR(@) >> \
                /etc/modprobe.d/vyatta_nf_conntrack.conf"
          echo "Updated conntrack hash size. This change will take affect when the system is rebooted."
        fi