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Telecom Management

packet translation

Packet translation. (1 page)

Translate the two attached Ethernet packets from hexadecimal into ‘English€, i.e. explain what each byte (or group of bytes) does. The preamble has been discarded.
/ You may find the following useful.

http://www.sans.org/security-resources/tcpip.pdf
http://www.zytrax.com/tech/protocols/tcp.html
http://www.infocellar.com/networks/ethernet/frame.htm
Wikipedia ‘Ethertype€

  0x0000: 001b 0c73 7600 0007 e9c1 3e18 0800 4500 …sv…..>…E.
  0x0010: 003c 0131 0000 8001 ae75 8165 444f 8165 .<.1.....u.eDO.e   0x0020: 4401 0800 1a5c 0200 3100 6162 6364 6566 D......1.abcdef   0x0030: 6768 696a 6b6c 6d6e 6f70 7172 7374 7576 ghijklmnopqrstuv   0x0040: 7761 6263 6465 6667 6869    wabcdefghi   0x0000: 001b 0c73 7600 0007 e9c1 3e18 0800 4500 ...sv.....>…E.
  0x0010: 0030 00a8 4000 8006 1460 8165 444f 8165 .0..@….`.eDO.e
  0x0020: 9ea6 0414 0050 4e5c f9bb 0000 0000 7002 …..PN……p.
  0x0030: ffff 50e3 0000 0204 05b4 0101 0402   ..P………..