tests/many-neighbors.py

   1 #!/usr/bin/env python
   2
   3 # Simple script to generate a lot of neighbors. This uses scapy. It
   4 # needs a version of Scapy that contains an LLDP dissector. There is
   5 # one in the scapy community repository:
   6 #  https://hg.secdev.org/scapy-com/file/dc0876d1c302/scapy/layers/lldp.py
   7
   8 from scapy.all import *
   9 from optparse import OptionParser
  10
  11 parser = OptionParser()
  12 parser.add_option("-o", "--output", dest="output",
  13                   help="write PCAP file to FILE", metavar="FILE",
  14                   default="out.pcap")
  15 parser.add_option("-n", "--neighbors", dest="neighbors",
  16                   help="generate N neighbors", metavar="N",
  17                   default=60, type="int")
  18
  19 (options, args) = parser.parse_args()
  20
  21 wrpcap(options.output,
  22        [Ether(dst="01:80:c2:00:00:0e", src="00:17:d1:a8:35:be")/
  23         LLDP(tlvlist=[LLDPChassisId(subtype="Locally assigned", value="titi-%03d" % i),
  24                       LLDPPortId(subtype="Interface name", value="eth0"),
  25                       LLDPTTL(seconds=120),
  26                       LLDPDUEnd()])
  27         for i in range(options.neighbors)])
  28
  29 # The generated pcap can be replayed with tcpreplay:
  30 #  tcpreplay -i veth0 -t out.pcap