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:
CE 1B E8 F5 85 A1 6A 97 D2 C9 57 5E 08 00 45 E2
00 72 80 A7 5F CE 8D 30 D7 CC A9 EA 39 80 93 49
F9 CC D2 9A 90 99 C0 5C 5D 67 56 20 ED 1C 7C 5E
54 89 88 76 1C 8A 16 57 31 0C 0D 4E 19 18 A1 3B
97 4B 1C 63 DD 4A B4 F8 6E 61 35 92 26 0B 3D 0A
E7 C3 B6 82 D5 95 0D E9 8B 68 71 BE 58 E3 D2 AA
FF E0 62 BA EF 55 53 94 E0 90 85 8C D8 19 84 37
FC 47 22 71 CE 22 33 88 2A 57 37 9A 03 DD A8 27
-
Find the source hardware address.
-
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.