P1. Consider the network below. a. Show the forwarding table in router A, such that all traffic destined to host H3 is forwarded through interface 3. b. Can you write down a forwarding table in router A, such that all traffic from H1 destined to host H3 is forwarded through interface 3, while all traffic from H2 destined to host H3 is forwarded through interface 4? (Hint: This is a trick question) HI H3
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- P1. Consider the network below. a. Show the forwarding table in router A, such that all traffic destined to host H3 is forwarded through interface 3. b. Can you write down a forwarding table in router A, such that all traffic from H1 destined to host H3 is forwarded through interface 3, while all traffic from H2 destined to host H3 is forwarded through interface 4? (Hint: This is a trick question.)It contains four routers in total. Every one of the four main types of routers Is it necessary for router A to recompute its distance vector as a result of the addition of routers B and D to the network due to the building of a new connection between routers A and C? The DV (distance vector) algorithm is the routing technique used by the RIP protocol, which runs on routers.Consider Figure 3.58 . Assuming TCP Reno is the protocol experiencing the behavior shown above, answer the following questions. In all cases, you should provide a short discussion justifying your answer.j. Suppose TCP Tahoe is used (instead of TCP Reno), and assume that triple duplicate ACKs are received at the 16th round. What are the ssthresh and the congestion window size at the 19th round?k. Again suppose TCP Tahoe is used, and there is a timeout event at 22nd round. How many packets have been sent out from 17th round till 22nd round, inclusive?
- A router running Classless Interdomain Routing (CIDR) has the following entries in its routing table: Address/mask Next hop 135.46.56.0/22 Interface 0 135.46.60.0/22 Interface 1 192.53.40.0/23 Router 2 Default Router 3 How does a CIDR router work to route the packets it received? For each of the following IP addresses, what will the router do if a packet with that address arrives? (a) 135.46.63.10 (b) 135.46.58.16 (c) 135.46.52.2 (d) 192.53.40.7 (e) 192.53.56.7There are four routers in all. Each of the four distinct router types Is it necessary for router A to recompute its distance vector in response to the addition of routers B and D to the network with the construction of a new connection between routers A and C? RIP works on routers and use the DV (distance vector) algorithm as its routing mechanism.Consider the extended LAN connected using bridges B1 and B2 in the Figure given below. H1 shown in the figure is a hub which has the property of taking an input on one port and forwarding it on all other ports. Suppose the forwarding tables in the two bridges are empty. List all ports on which a packet will be forwarded by bridges B1 and B2 for the following sequence of data transmissions: a) A sends a packet to C b) E sends a packet to F c) F sends a packet to E d) G sends a packet to E e) D sends a packet to A f) B sends a packet to F
- In the above network diagram, IP and MAC addresses are given for network nodes. Suppose Host1 (Shahid) sends a datagram to Host2 (Khalid). What IP and MAC addresses (source and destination) will be written in IP and Data link layer headers respectively, for the following intermediate points from Host1 to Host2?a) Host1 to Router1 (R1)b) Router1 to Router2 (R2)c) Router2 to Host2Assume that the virtual router setup involves just two routers (Router-X and Router-Y). Router-X has a priority of 100, whereas Router-Y has a priority of 150. Preemption is enabled on both routers. You are first booting Router-X and then Router-Y. Which Router will function as an active router in this scenario?Consider a computer 1 that communicates with a computer 2 via LAN1, router R1, and LAN2. The sending computer1 is running two processes at this time with port addresses k and l. The receiving computer 2 is running three processes at this time with port addresses f, g and h. Process k in the sending computer 1 needs to communicate with process g in the receiving computer 2. Draw the network and show the contents of segments, packets and frames at the network, data link, and transport layer for each hop. Note: Computer 1 has: Physical address=15, Logical address=A Router R1 has: Physical address in the side of LAN 1=20, Logical address in the side of LAN1=B Physical address in the side of LAN 2=50, Logical address in the side of LAN2=D. Computer 2 has: Physical address=77, Logical address=E.
- We have 5 routers labled A-E. Suppose we have the forwarding tables shown below after the routingalgorithm is stable. Let all links have cost 1. a. If a message is originated from A and a destination is E. Which path does it take?b. If a message is originated from C and a destination is D. Which path does it take?c. Give a diagram of a possible network consistent with these tables.Consider the network shown below, and Dijkstra’s link-state algorithm. Suppose that Dijkstra's algorithm has been run to compute the least cost paths from node E to all other nodes. Now suppose that source node E has a packet to send to destination node A. What is the first router to which E will forward this packet on its path to A?give the proper solution of given questions thanks In OSPF, describe two methods that can be used to detect link/router failures. Which method detects a change quicker? Route convergence is defined as ….? Why is it important for routers to converge to the best routing table quickly? How do OSPF areas improve its scalability? i.e., how do areas help OSPF operate in large networks? The LSA messages in OSPF are flooded throughout a network. True/false?