Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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Question
Chapter 6, Problem P15P
a.
Program Plan Intro
Figure 6.33:
The “Figure 6.33” contains:
- Two routers.
- Three switches (LAN).
- Three subnets.
- Each subnet contains two host computers.
- Subnet 1 contains two hosts named “A” and “B”. Both the two hosts are connected through a same switch.
- Subnet 2 contains two hosts named “C” and “D”. Both the two hosts are connected through a same switch.
- Subnet 3 contains two hosts named “E” and “F”. Both the two hosts are connected through a same switch.
Given consideration:
Consider that the switch is placed between Subnet 1 and Subnet 2, and the Router between them is named as R1.
b.
Explanation of Solution
Given: Consider the Host E needs to send a datagram to the Host B. Also, The Host E’s ARP cache does not holds B’s MAC address.
To find:
- Will the Host E execute ARP query to find the Host B’s MAC address.
- Source and destination IP and MAC addresses of the Ethernet frame that contains the IP datagram destined to B.
Solution:
“No”, the Host E do not executed ARP query to find out the MAC address of the Host B because, they are not on the common LAN...
c.
Explanation of Solution
Solution:
Actions of the switch S1:
The Switch 1 (S1) will program the Ethernet frame through its interfaces. The received ARP frame’s destination address is the broadcast address. It finds out that the Host A lives on Subnet 1 which is connected to the switch S1. The Switch S1 will then update its forwarding table to get an entry for Host A.
Router receives ARP request message:
“Yes”, the router R1 gets an ARP request message but this router will no forward the information to Subnet 3...
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Chapter 6 Solutions
Computer Networking: A Top-Down Approach (7th Edition)
Ch. 6 - Consider the transportation analogy in Section...Ch. 6 - If all the links in the Internet were to provide...Ch. 6 - Prob. R3RQCh. 6 - Prob. R4RQCh. 6 - Prob. R5RQCh. 6 - Prob. R6RQCh. 6 - Prob. R7RQCh. 6 - Prob. R8RQCh. 6 - Prob. R9RQCh. 6 - Prob. R10RQ
Ch. 6 - Prob. R11RQCh. 6 - Prob. R12RQCh. 6 - Prob. R13RQCh. 6 - Prob. R14RQCh. 6 - Prob. R15RQCh. 6 - Prob. R16RQCh. 6 - Suppose the information content of a packet is the...Ch. 6 - Suppose the information portion of a packet (D in...Ch. 6 - Prob. P4PCh. 6 - Prob. P5PCh. 6 - Prob. P6PCh. 6 - Prob. P7PCh. 6 - Prob. P8PCh. 6 - Prob. P9PCh. 6 - Prob. P10PCh. 6 - Prob. P11PCh. 6 - Prob. P12PCh. 6 - Prob. P13PCh. 6 - Prob. P14PCh. 6 - Prob. P15PCh. 6 - Prob. P16PCh. 6 - Prob. P17PCh. 6 - Prob. P18PCh. 6 - Prob. P19PCh. 6 - Prob. P20PCh. 6 - Prob. P21PCh. 6 - Prob. P22PCh. 6 - Prob. P23PCh. 6 - Prob. P24PCh. 6 - Prob. P25PCh. 6 - Prob. P26PCh. 6 - Prob. P27PCh. 6 - Prob. P32PCh. 6 - Prob. P33P
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