All computers will be able to access the Internet. The existing network equipment that the company has is listed below:
■one router (to connect to the Internet)
■two 4-port routers
■two 4-port switches
■two 24-port switches
■one 48-port switch
The private CIDR IP (v4) address ranged from 192.168.1.0 – 192.168.1.255 is used for all the computers and network devices for the company. Each device obtains its IP from a DHCP server when it is switched on.
(a) Suppose a fixed-length subnet mask is used, what should it be? Show all the relevant calculation. Give the range of IPs for each LAN.
(b) Suppose a fixed variable-length subnet masking (VLSM) technique is used, show all the relevant calculation. Give the range of IPs for each LAN.