Question

1. Can this message be delivered directly by the source to the destination, or will it require routers to handle the message?

Frame Type Frame Data Destination Hardware Address 6 Bytes Source Hardware Address 6 Bytes 2 Bytes 46 - 1500 Bytes 3 Byte 0 1 2 3 bit 012345678 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 O 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 Optional P Options (May Be Omitted) Padding 1 IP Payload Data 7E 54 6B 55 5C 9F AC B6 57 AE C8 00 72 AC B8 61 B8 96 76 68 7B DO EE 50 68 DB 33 60 39 C9 90 DE 94 D5 8FD1E9 66 79 24 FD 53 A2 94 36 42 A7 45 D3 D3 1FA3E8 5C F4 F8 FD 22 1B 30 97 OC 65 D9 18 25 82 02 B5 56 53 84 12 EE 2B C5 92 78 6FBD DA4B05 OB C3 42 8A 06 E6 08 00 45 51 05 B1 49 1A 5B 50 5D D3 A1 E1 65 15 43 BO 7F F9 FE 3E FA FA F6 71 5F E8 9D 55 3D F4 F6 95 2E 24 67 55 57

Answer 1

it will require router because packets are from different classes.

Source: 208.5.177.73

Destination: 26.91.238.80

.......1................... = LG bit: Locally administered address (this is NOT the factory default) ........................... = IG bit: Individual address (unicast) Source: ac:b6:57:ae:c8:e6 (ac:b6:57:ae:c8:e6) • Address: ac:b6:57:ae:c8:e6 (ac:b6:57:ae:c8:06) ............................ = LG bit: Globally unique address (factory default) ......................... = IG bit: Individual address (unicast) • Type: IPv4 (OX0800) Internet Protocol Version 4 . 0100 .... = Version: 4 ..... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: Ox51 (DSCP: AF22, ECN: ECT(1) . 0101 00.. = Differentiated Services Codepoint: Assured Forwarding 22 (20) ........01 = Explicit Congestion Notification: ECN-Capable Transport codepoint '01' (1) • Total Length: 114 • Identification: Oxacb8 (44216) Flags: Ox61b8, Don't fragment, More fragments • O........... .... = Reserved bit: Not set ..1................ = Don't fragment: Set ... 1. ............ = More fragments: Set ....0 0001 1011 1000 = Fragment offset: 440 • Time to live: 150 • Protocol: STP (118) • Header checksum: 0x687b • Header checksum status: Unverified Source: 208.5.177.73 • Destination: 26.91.238.80

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