# File lib/aws/ec2/subnet_collection.rb, line 72
      def create cidr_block, options = {}

        client_opts = {}
        client_opts[:vpc_id] = vpc_id_option(options)
        client_opts[:cidr_block] = cidr_block
        client_opts[:availability_zone] = az_option(options) if 
          options[:availability_zone]

        resp = client.create_subnet(client_opts)

        Subnet.new_from(:create_subnet, resp.subnet, 
          resp.subnet.subnet_id, :config => config)

      end