3. IP Addressing and Routing: Consider the following topology of three interconnected LANs within an organization....

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3. IP Addressing and Routing: Consider the following topology of three interconnected LANs within an organization. The site has a Class-B network IP address (150.100) so that there will be 16 bits reserved for host-id. The organization chooses to use a net-mask of 255.255.255.128. 12.129 i. R 12.4 Site Addr: 150.100.12.0 Hi Hy 12.24 Host 12.154 H1 H2 H3 H4 150.100 H 12-1 R 15.54 12.55 150-100.12.128 Site Net-Mark: 255.255.255.128 H3 15.11 h. State the maximum number of subnets that can be supported within the organization. [2 point] Default Router 150.100.12.4 150.100.12.1 150.100.15.0 > Clans - B IP Address. (16 bit Host - Id) 12.176 State the maximum number of hosts that can be supported within each subnet [2 point] 150.100.15.54 150.100.12.176 R3 Each host in the network maintains only one routing entry to its default router as stated below. 15.12 Routing table in the router R1: Destination Type Network Network Network Routing table in the router R2: Destination Type Network Network Network Destination 150.100.12.0 150.100.15.0 150.100.12.128 Destination 150.100.12.0 150.100.15.0 150.100.12.128 Next Hop 150.100.12.4 150.100.12.1 150.100.12.129 Next Hop 150.100.12.1 150.100.15.54 150.100.12.4 j. Describe the steps of a packet being routed from H3 to H4. You need to describe the routing table look-up and forwarding actions taken by involved hosts and routers for all the hops. Assume that all entities within the organization is aware of the chosen net-mask 255.255.255.128 [6 point] 3. IP Addressing and Routing: Consider the following topology of three interconnected LANs within an organization. The site has a Class-B network IP address (150.100) so that there will be 16 bits reserved for host-id. The organization chooses to use a net-mask of 255.255.255.128. 12.129 i. R 12.4 Site Addr: 150.100.12.0 Hi Hy 12.24 Host 12.154 H1 H2 H3 H4 150.100 H 12-1 R 15.54 12.55 150-100.12.128 Site Net-Mark: 255.255.255.128 H3 15.11 h. State the maximum number of subnets that can be supported within the organization. [2 point] Default Router 150.100.12.4 150.100.12.1 150.100.15.0 > Clans - B IP Address. (16 bit Host - Id) 12.176 State the maximum number of hosts that can be supported within each subnet [2 point] 150.100.15.54 150.100.12.176 R3 Each host in the network maintains only one routing entry to its default router as stated below. 15.12 Routing table in the router R1: Destination Type Network Network Network Routing table in the router R2: Destination Type Network Network Network Destination 150.100.12.0 150.100.15.0 150.100.12.128 Destination 150.100.12.0 150.100.15.0 150.100.12.128 Next Hop 150.100.12.4 150.100.12.1 150.100.12.129 Next Hop 150.100.12.1 150.100.15.54 150.100.12.4 j. Describe the steps of a packet being routed from H3 to H4. You need to describe the routing table look-up and forwarding actions taken by involved hosts and routers for all the hops. Assume that all entities within the organization is aware of the chosen net-mask 255.255.255.128 [6 point]