table ipv4_lpm {
  key = {
    hdr.ipv4.dstAddr : lpm;
    // standard match kinds: 
    // exact, ternary, lpm
  }
  // actions that can be invoked
  actions = {
    ipv4_forward;
    drop;
    NoAction;
  }
  // table properties
  size = 1024;
  default_action = NoAction();
}