... Action VLSM and IP Addresses Chapter 6 VLSM and CIDRRouting Protocols and Concepts20VLSMThe network 10.0.0.0/8 has been subnetted using the subnet mask of /16, which gives the potential ... D.192.168.0.0/23, 192.168.2.0/23, 192.168.4.0/22, and 192.168.8.0/21 are all subnets of 192.168.0.0/2016CIDR and Route SummarizationPropagating VLSM and supernet routes requires a classless routing ... the classful mask.15CIDR and Route SummarizationThe 192.168.0.0/20, summarized or aggregated route includes all the networks belonging to customers A, B, C, and D.192.168.0.0/23, 192.168.2.0/23,...