Homework #4
Autumn 03/04 TDC375 - Network Protocols
Name:

1. Do Perlman question #6 at the end of chapter 12.




2. Using your available resources (book and the Internet), discover
   what protocols the following routing protocols are layered on top
   of.  Fill in the underlying protocol next to each routing protocol:
   (assume each protocol is used for IP routing)

   RIP    _______

   RIPv2  _______

   OSPF   _______

   BGP    _______

   bonus (worth an extra point for complete and correct answer):

   IS-IS  _______




3. Telnet to: route-views.routeviews.org
   At the command line prompt, type: show ip bgp 140.192.0.0
   Paste the output of the first 10 or so lines below. 
   Then, in a web browser, visit the following page: www.geektools.com
   Click the whois link.  In the whois text box, enter: 20130
   Then submit: 16631
   Then submit: 22335
   What are the three organizations associated with each of the 3
   numbers submitted above?




4. Which type of routing protocol algorith would be better at avoiding
   routing loops in the topology:

   ___ Distance Vector

   ___ Link State




5. Assume two routers are misconfigured so that they each point to each
   other for the next best hop towards a destination route.  Why won't
   IP packets destined for the destination route in question bounce
   between the two routers forever?