code: public static base_response update(nitro_service client, l3param resource) throws Exception {
  		l3param updateresource = new l3param();
  		updateresource.srcnat = resource.srcnat;
  		updateresource.icmpgenratethreshold = resource.icmpgenratethreshold;
  		updateresource.overridernat = resource.overridernat;
  		updateresource.dropdfflag = resource.dropdfflag;
  		updateresource.miproundrobin = resource.miproundrobin;
  		updateresource.externalloopback = resource.externalloopback;
  		updateresource.tnlpmtuwoconn = resource.tnlpmtuwoconn;
  		updateresource.usipserverstraypkt = resource.usipserverstraypkt;
  		updateresource.forwardicmpfragments = resource.forwardicmpfragments;
  		updateresource.dropipfragments = resource.dropipfragments;
  		updateresource.acllogtime = resource.acllogtime;
  		return updateresource.update_resource(client);
  	}
docs: Use this API to update l3param.