2. The following packets have arrived at a router: Arriving Packet 1: Arriving Packet 2: Arriving...

 

Transcribed Image Text:

2. The following packets have arrived at a router: Arriving Packet 1: Arriving Packet 2: Arriving Packet 3: Destination IP Address 174.16.9.35 Destination IP Address 104.156.5.44 Destination IP Address 72.116.19.212 This routing table shows this router's current routing table content. Find the next-hop router for each arriving packet using the 3-step routing decision rules. Explain your reasoning (30 points). Routing Table Row 1 Destination Network 120.15.179.0 Metric (Hop Mask Count) Next-Hop Router 2 140.186.35.0 3 174.16.9.0 255.255.255.0 (24) 255.255.255.0 (/24) 255.255.255.0 (/24) Local 6 C 8 4 68.5.44.0 255.255.255.0 (/24) 5 5 64.16.0.0 255.255.0.0 (/16) 3 6 197.14.0.0. 255.255.0.0 (/16) 2 7 167.94.35.0 255.255.255.0 (/24) 4 8 194.0.0.0 255.0.0.0 (/8) 4 9 104.156.0.0 255.255.0.0 (/16) 3 10 196.5.0.0 255.255.0.0 (/16) 6 11 64.16.0.0 255.255.0.0 (/16) 4 12 104.156.5.0 255.255.255.0 (24) 5 13 194.59.0.0 255.255.0.0 (/16) 8 14 174.16.0.0 255.255.0.0 (16) 7 15 194.59.72.0 16 197.14.0.0 255.255.255.0 (/24) 255.255.0.0 (/16) 8 4 ACACDBEACBACDA A 17 72.116.18.0 20 18 116.72.59.0 19 72.116.20.0 104.156.5.0 255.255.255.0 (/24) 255.255.255.0 (/24) 255.255.255.0 (24) 10 A 5 E 7 D 21 0.0.0.0 255.255.255.0 (24) 0.0.0.0 (0) 4 C -- B Note: 1. The outgoing router interface column is omitted from the table. 2. Row 21 shows the default route. Destination IP of Arriving Packet 174.16.9.35 104.156.5.44 72.116.19.212 All Rows that Match Row Selected Next Hop Router Reason 2. The following packets have arrived at a router: Arriving Packet 1: Arriving Packet 2: Arriving Packet 3: Destination IP Address 174.16.9.35 Destination IP Address 104.156.5.44 Destination IP Address 72.116.19.212 This routing table shows this router's current routing table content. Find the next-hop router for each arriving packet using the 3-step routing decision rules. Explain your reasoning (30 points). Routing Table Row 1 Destination Network 120.15.179.0 Metric (Hop Mask Count) Next-Hop Router 2 140.186.35.0 3 174.16.9.0 255.255.255.0 (24) 255.255.255.0 (/24) 255.255.255.0 (/24) Local 6 C 8 4 68.5.44.0 255.255.255.0 (/24) 5 5 64.16.0.0 255.255.0.0 (/16) 3 6 197.14.0.0. 255.255.0.0 (/16) 2 7 167.94.35.0 255.255.255.0 (/24) 4 8 194.0.0.0 255.0.0.0 (/8) 4 9 104.156.0.0 255.255.0.0 (/16) 3 10 196.5.0.0 255.255.0.0 (/16) 6 11 64.16.0.0 255.255.0.0 (/16) 4 12 104.156.5.0 255.255.255.0 (24) 5 13 194.59.0.0 255.255.0.0 (/16) 8 14 174.16.0.0 255.255.0.0 (16) 7 15 194.59.72.0 16 197.14.0.0 255.255.255.0 (/24) 255.255.0.0 (/16) 8 4 ACACDBEACBACDA A 17 72.116.18.0 20 18 116.72.59.0 19 72.116.20.0 104.156.5.0 255.255.255.0 (/24) 255.255.255.0 (/24) 255.255.255.0 (24) 10 A 5 E 7 D 21 0.0.0.0 255.255.255.0 (24) 0.0.0.0 (0) 4 C -- B Note: 1. The outgoing router interface column is omitted from the table. 2. Row 21 shows the default route. Destination IP of Arriving Packet 174.16.9.35 104.156.5.44 72.116.19.212 All Rows that Match Row Selected Next Hop Router Reason