6.1 RIPv1 broadcasts route update packets. (to 255.255.255.255)
6.2 RIPv2 multicasts route info to 224.0.0.9
6.3 EIGRP listens to 224.0.0.10
Rip		RIPv2
15 hops	15 hops
30 sec	30 sec
broadcast	multicast 224.0.0.9
classful	classless (VLSM, CIDR)  **no auto-summary
		next hop (see 7.2.1)
		route tag
		Authentication

Lab 7.5.1: RIPv2 Basic Configuration Lab

10 Homework:
download pka.pka from http://www.eng.fsu.edu/~tsai/download/ccna2/
and finish the assignment.  If IP address info is not available, 
please create your own with proper subnet masks so that there are no
overlaps among subnets.