Ознакомление с основами технологии Ethernet, экспериментальное исследование форматов кадров технологии

Выполнил:

Студент группы ЭС-51

Рубцов К.М.

ЛАБОРАТОРНАЯ РАБОТА № 1 ТЕХНОЛОГИИ ЛВС (ETHERNET)

Цель работы: Изучить основы технологии Ethernet, экспериментально исследовать форматы кадров технологии.

Кадр RAW 802.3:

No:                   2

Timestamp:            8:38:53:455

MAC source address:   EPOX-aabbcc

MAC dest address:     FF:FF:FF:FF:FF:FF

Frame type:           ---

Protocol:             ---

Source IP address:    No IP address

Dest IP address:      No IP address

Source port:          ---

Destination port:     ---

SEQ:                  ---

ACK:                  ---

Packet size:          92

Packet data:

0000: FF FF FF FF FF FF 00 04 61 AA BB CC 05 DC FF FF ........a.......

0010: 00 4E 07 30 00 00 80 11 A7 18 C0 A8 05 07 C0 A8 .N.0............

0020: 05 FF 00 89 00 89 00 3A 5E DE A3 BB 01 10 00 01 .......:^.......

0030: 00 00 00 00 00 00 20 45 48 45 42 46 47 46 43 45 ...... EHEBFGFCE

0040: 4A 45 4D 45 50 46 47 43 41 43 41 43 41 43 41 43 JEMEPFGCACACACAC

0050: 41 43 41 43 41 41 41 00 00 20 00 01             ACACAAA.. ..

=====================================================================

Кадр 802.3/LLC:

No:                   3

Timestamp:            8:40:6:189

MAC source address:   EPOX-aabbcc

MAC dest address:     FF:FF:FF:FF:FF:FF

Frame type:           ---

Protocol:             ---

Source IP address:    No IP address

Dest IP address:      No IP address

Source port:          ---

Destination port:     ---

SEQ:                  ---

ACK:                  ---

Packet size:          92

Packet data:

0000: FF FF FF FF FF FF 00 04 61 AA BB CC 05 DC 45 00 ........a.....E.

0010: 00 4E 07 30 00 00 80 11 A7 18 C0 A8 05 07 C0 A8 .N.0............

0020: 05 FF 00 89 00 89 00 3A 5E DE A3 BB 01 10 00 01 .......:^.......

0030: 00 00 00 00 00 00 20 45 48 45 42 46 47 46 43 45 ...... EHEBFGFCE

0040: 4A 45 4D 45 50 46 47 43 41 43 41 43 41 43 41 43 JEMEPFGCACACACAC

0050: 41 43 41 43 41 41 41 00 00 20 00 01             ACACAAA.. ..

=====================================================================

Кадр Ethernet DIX:

No:                   3

Timestamp:            8:40:33:861

MAC source address:   EPOX-aabbcc

MAC dest address:     XnetTech-1e7646

Frame type:           IP

Protocol:             ICMP->Echo_Request

Source IP address:    SRV2003

Dest IP address:      1311-70

Source port:          ---

Destination port:     ---

SEQ:                  ---

ACK:                  ---

Packet size:          74

Packet data:

0000: 00 05 1C 1E 76 46 00 04 61 AA BB CC 08 00 45 00 ....vF..a.....E.

0010: 00 3C 59 68 00 00 C8 01 0D BB C0 A8 05 07 C0 A8 ..Yh............

0020: 05 46 08 00 A7 3B 02 00 FA 6F 45 45 45 45 45 45 .F...;...oEEEEEE

0030: 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 EEEEEEEEEEEEEEEE

0040: 45 45 45 45 45 45 45 45 45 45                   EEEEEEEEEE

=====================================================================

Кадр Ethernet SNAP:

No:                   5

Timestamp:            8:42:41:549

MAC source address:   EPOX-aabbcc

MAC dest address:     FF:FF:FF:FF:FF:FF

Frame type:           ---

Protocol:             ---

Source IP address:    No IP address

Dest IP address:      No IP address

Source port:          ---

Destination port:     ---

SEQ:                  ---

ACK:                  ---

Packet size:          92

Packet data:

0000: FF FF FF FF FF FF 00 04 61 AA BB CC 05 DC AA AA ........a.......

0010: 03 4E 07 30 00 00 80 11 A7 18 C0 A8 05 07 C0 A8 .N.0............

0020: 05 FF 00 89 00 89 00 3A 5E DE A3 BB 01 10 00 01 .......:^.......

0030: 00 00 00 00 00 00 20 45 48 45 42 46 47 46 43 45 ...... EHEBFGFCE

0040: 4A 45 4D 45 50 46 47 43 41 43 41 43 41 43 41 43 JEMEPFGCACACACAC

0050: 41 43 41 43 41 41 41 00 00 20 00 01             ACACAAA.. ..

=====================================================================

Вывод: ознакомились с основами технологии Ethernet, экспериментально исследовали форматы кадров технологии.