Given that a frame is formatted as follows:
Destination Hardware Address |
Source Hardware Address |
Frame Type |
Frame Data |
6 Bytes |
6 Bytes |
2 Bytes |
46 - 1500 Bytes |
And given that an IP datagram is formatted as follows:
Byte |
0 |
1 |
2 |
3 |
bit |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
31 |
0 |
Version |
Header Length |
Type Of Service |
Total Length |
4 |
Identification |
Flags |
Fragment Offset |
8 |
TTL |
Type |
Header Checksum |
12 |
Source IP Address |
16 |
Destination IP Address |
|
IP Options (May Be Omitted) |
Padding |
20 |
IP Payload Data |
And given the following frame with an encapsulated IP datagram:
C3 FE BF 72 E7 83 58 8D 3E 55 40 69 08 00 45 2A
00 72 54 CB 3B 18 45 A1 06 9B 94 72 BA D3 49 E5
18 4B 2D E1 BF AF D6 EB 87 A4 E5 77 D9 32 2D 29
51 FC C1 34 53 D7 BC 05 F1 88 F4 95 FD 90 86 4E
19 46 BA 4A 8F B5 F8 6A C3 8C C7 CE 9A 74 36 34
65 55 B7 B3 21 6A 09 AC 72 CC FC 2A DF 40 1A F3
7F A3 AA 83 F6 55 78 FB E9 F5 73 7A 60 1F EC 06
F3 0A A7 5A 8E A3 5B 6E 75 65 FE 94 EB 6E CF F9
-
Find the source hardware address.
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Find the destination hardware address.
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What type of frame is this?
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What Flag(s) are set?
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What is the fragment offset?
-
What is the TTL count?
-
What is the Header Checksum?
-
If the header includes no options or padding, what are the first five bytes of
the datagram data?
-
Find the destination IP address.
-
What class is the destination IP address?
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What is the network ID in the destination address?
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What is the host ID in the destination address?
-
Write the destination IP address in dotted decimal notation.
-
Find the source IP address.
-
What class is the source IP address?
-
What is the network ID in the source address?
-
What is the host ID in the source address?
-
Write the source IP address in dotted decimal notation.
-
Can this message be delivered directly by the source to the destination, or will
it require routers to handle the message. Explain.