Advanced Computer Network

7. Figure 1-1 shows a network topology with the Internet Protocol version 4 (IPv4) configurations done on all routers interfaces and Personal Computers (PCs). ExternalPC ISP Internet .10 30/0/1 6 30/0/0 209.10.10.8/30 209.10.10.4/30 50/1/1 9 s0/0/0 EDGE FOCS 2 0/0/1 GO/O 172.161,0/30 30/0/1 192.168.55.0/24 GO/O G0/1 PC1 192.168.55.10 172.16.120/24 192.168.44.0/24 PC3 172.16.12.10 PC2 192.168.44.10 Figure 1-1: A network topology Based on Figure 1-1, determine the appropriate static routes configurations with justifications in the respective routers (EDGE and FOCS). ISP is already pre-configured with static routing. Use Table 1-1 to document your answer. (1) Standard static routes using next hop IP address. PCI and PC2 are able to communicate with PC3. (9 marks) (ii) Default static route as a primary route using next hop IP address. PC3 is able to ping ExternalPC. Make your assumptions, (5 marks) (iii) Default static route as a secondary route or backup route using next hop IP address. PC3 is able to ping ExternalPC. Make your assumptions. (6 marks) Table 1-1: Documentation Table Static route configurations Justifications Item Router name (i) (ii) (iii) 7. Figure 1-1 shows a network topology with the Internet Protocol version 4 (IPv4) configurations done on all routers interfaces and Personal Computers (PCs). ExternalPC ISP Internet .10 30/0/1 6 30/0/0 209.10.10.8/30 209.10.10.4/30 50/1/1 9 s0/0/0 EDGE FOCS 2 0/0/1 GO/O 172.161,0/30 30/0/1 192.168.55.0/24 GO/O G0/1 PC1 192.168.55.10 172.16.120/24 192.168.44.0/24 PC3 172.16.12.10 PC2 192.168.44.10 Figure 1-1: A network topology Based on Figure 1-1, determine the appropriate static routes configurations with justifications in the respective routers (EDGE and FOCS). ISP is already pre-configured with static routing. Use Table 1-1 to document your answer. (1) Standard static routes using next hop IP address. PCI and PC2 are able to communicate with PC3. (9 marks) (ii) Default static route as a primary route using next hop IP address. PC3 is able to ping ExternalPC. Make your assumptions, (5 marks) (iii) Default static route as a secondary route or backup route using next hop IP address. PC3 is able to ping ExternalPC. Make your assumptions. (6 marks) Table 1-1: Documentation Table Static route configurations Justifications Item Router name (i) (ii) (iii)