What is IP packet?
Homework Answers
Packet coming out of network layer is known as ip packet.
Data coming from above layer that is transport layer is add with new header known as ip header and the whole packet is known as ip packet [header + data].
Size of ip header in ipv4 is between 20-60 bytes.
It consists of various fields , which are given below.
| Version(4 bit) | header length (4bit) | type of services (8bits) | Total length (16bits) | |
| Identification (16bit) | DF | MF | xx | fragmentation offset (13bits) |
| Time to live(8bit) | protocol (8bits) | checksum (16bits) | ||
| Source ip(32bits) | ||||
| Destination ip(32 bits) |
Assume a device with IP address 210.240.57.161/24 wants to send an IP packet to another device,...
Assume a device with IP address 210.240.57.161/24 wants to send an IP packet to another device, and it only knows that the destination IP address is 210.241.57.40. Explain the steps needed to send the message.
Cisco packet tracer Q1) Do you get any changes of IP address when packet is traversing...
Cisco packet tracer Q1) Do you get any changes of IP address when packet is traversing from one node to the immediate next node: My answer is no. Explain why? Q2) Do you get any changes of MAC address when packet is traversing from one node to the immediate next node: My answer is yes. Explain why?
Question 1 1 The time to live field of IP header can prevent -------- in packet...
Question 1 1 The time to live field of IP header can prevent -------- in packet forwarding Question 2 In TCP connections, RST packets are used to --------- Question 3 (Multiple answers if applied) The protocol field of the IP header can be A) IP B) TCP C) ICMP D) UDP E) ARP Question 4 Frame exists in ------, packet exists in ------ , data segment existis in------ of TCP/IP model. Question 5 A web browser is -------- --------------- Question...
Using a packet sniffer, for one of the packets you captured, you see in your packet analyzer that the IP header (in hexadecimal) is: 45 00 00 34 fb 24 40 00 40 06 0a 65 c0 a8 04 06 17 db 58 b1 What i...
Using a packet sniffer, for one of the packets you captured, you see in your packet analyzer that the IP header (in hexadecimal) is: 45 00 00 34 fb 24 40 00 40 06 0a 65 c0 a8 04 06 17 db 58 b1 What is the destination IP address (in decimal dot notation) of that packet?
1. a. In Wireshark, for packet 92, what information in the IP header indicates that the...
1. a. In Wireshark, for packet 92, what information in the IP
header indicates that the datagram has been fragmented?
b. What information in the IP header indicates whether this is
the first fragment versus a latter fragment? How long is this IP
datagram?
2. a. For packet 93, what information in the IP header indicates
that this is not the first data fragment? Are there more fragments?
If so, how can you tell?
- 0 X IP_traceFile File Edit...
Sender send a packet to Receiver. Explain the address change process (IP and MAC) in the...
Sender send a packet to Receiver. Explain the address change process (IP and MAC) in the packet. LAN 1 Sender A/10 To another network F/20 T/99 2010 AP Data 2010 AP Data Router 1 33 99 AP Data Physical addresses changed LAN 2 9566 A P Data 95 66 AP Data Router 2 33 99 AP Data P/95 N/33 Z/66 Physical addresses changed To another network Receiver LAN 3
Show work. 5. A host computer with an IP address of 10.10.20.5 using a subnet mask...
Show work. 5. A host computer with an IP address of 10.10.20.5 using a subnet mask of 255.255.192.0 pings a computer with an IP address of 10.10.10.5. What happens to the data packet? a. The data packet is sent to the gateway. b. The data packet is sent to 10.10.20.192. c. The 10.10.10.5 is not in the same LAN; therefore, the data packet is sent out as a broadcast. d. The data packet is sent to the 127.0.0.1 network. e....
Write a C program that can transparently authenticate all IP packets from/to specified IP address with...
Write a C program that can transparently authenticate all IP packets from/to specified IP address with given key. program.c such that program (e.g., program 192.124.5.5 secret) will intercept packets for any outgoing packet to the specified , transparently change the original payload X (the bytes after the IP header) by concatenating the original payload X with 16 bytes of md5(X|key), and adjust the IP header accordingly (e.g., increase the packet total length, re-calculate the checksum) so that the outgoing packet...
Question 6: An IP packet of size 4576 bytes needs to be sent through a network. If the Maximum Tr...
I need the help step by step. Thank you for your help.
Question 6: An IP packet of size 4576 bytes needs to be sent through a network. If the Maximum Transport Unit (MTU) size allowed by the network is 1536 bytes, the packet will need to be fragmented. Considering that a minimum number of fragments should be used, for each fragment, find the values for: DF and MF flags Fragment offset field Length of each fragment Then answer the...
Assume that the Web Server transmits a packet to Client #2. What are the specific numeric address...
Assume that the Web Server transmits a packet to Client #2. What
are the specific numeric address values (from the diagram above)
that will be in each of the following header fields of this packet
sent by Web Server?
a) (3 points) Source Address in Ethernet header
b) (3 points) Destination Address in Ethernet header (assume
that Web Server ARP Table already contains any MAC address needed
for this packet)
c) (3 points) Source Address in IP header
d) (3...
1. a. In Wireshark, for packet 92, what information in the IP
header indicates that the datagram has been fragmented?
b. What information in the IP header indicates whether this is
the first fragment versus a latter fragment? How long is this IP
datagram?
2. a. For packet 93, what information in the IP header indicates
that this is not the first data fragment? Are there more fragments?
If so, how can you tell?
- 0 X IP_traceFile File Edit...
Sender send a packet to Receiver. Explain the address change process (IP and MAC) in the packet. LAN 1 Sender A/10 To another network F/20 T/99 2010 AP Data 2010 AP Data Router 1 33 99 AP Data Physical addresses changed LAN 2 9566 A P Data 95 66 AP Data Router 2 33 99 AP Data P/95 N/33 Z/66 Physical addresses changed To another network Receiver LAN 3
I need the help step by step. Thank you for your help.
Question 6: An IP packet of size 4576 bytes needs to be sent through a network. If the Maximum Transport Unit (MTU) size allowed by the network is 1536 bytes, the packet will need to be fragmented. Considering that a minimum number of fragments should be used, for each fragment, find the values for: DF and MF flags Fragment offset field Length of each fragment Then answer the...
Assume that the Web Server transmits a packet to Client #2. What
are the specific numeric address values (from the diagram above)
that will be in each of the following header fields of this packet
sent by Web Server?
a) (3 points) Source Address in Ethernet header
b) (3 points) Destination Address in Ethernet header (assume
that Web Server ARP Table already contains any MAC address needed
for this packet)
c) (3 points) Source Address in IP header
d) (3...
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