IEEE 802 , . 3.1:
. 3.1. IEEE 802.X
, . (Data Link Layer) :
- (Logical Link Control, LLC);
- (Media Access Control, MAC).
IEEE 802:
802.1 - Internetworking - ;
802.2 - Logical Link Control, LLC - ;
802.3 - , (Ethernet) (Ethernet CSMA/CD);
802.4 - Token Bus LAN - Token Bus; ;
802.5 - Token Ring LAN - Token Ring; .
802.6 - Metropolitan Area Network, MAN - ; (Metropolitan Area Network, MAN).
802.7 - Broadband Technical Advisory Group - )
802.8 - Fiber Optic Technical Advisory Group - - ;
802.9 - Integrated Voice and data Networks - ;
802.10 - Network Security - ;
802.11 - Wireless Networks - ;
802.12 - Demand Priority Access LAN, 100VG-AnyLAN - .
.
, , :
(Utilization %).
( 1 ). , / . 1,25 /.
.
, . , .
( ).
, :
− CRC .
− Oversize Error ( 1,5 ).
− Undersize Error - ( 64 ).
− Fragment Error .
− Collision Error - .
, , , . , . , , , .
