(multistation access unit, MAU) . (smart multistation accessunit, SMAU), . MAU , :
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MAU : 3 (media access unit) . , , (, ). , . MSAU.
MAU, 1, 2 () 3 () (. . 3.4). MAU , , , . MAU OSI.
MAU . 16 . MAU . (passive hub) . MAU, . , 3 (UTP) 72 .
(active hub) , . , . ; . MAU 3 150 , 1 2 260 . 3 , 1 2. , 3 , "",jitter.) MAU Ring In (RI) RingOut (RO), . 4.3. MAU ( ). , MALI, (pat|H cable), , MAU, (lobe cable). RI RO , . MAU RI RI , .
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IBM IEEE 802.5 . (movable) ( 6, ), ( movable) ( 1 2, ). . 4.1 MAU, , .
4.1. MAU
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MAU | 1 2 33 |
MAU | 2,5 |
MAU | STP: 200 DTP: 45,5 : 1 |
( MAU ) | STP: 100 DTP: 45,5 : 1 00 |
MAU , , (Controlled Access Unit, CAU), MAU . CAU , .
(hub) , (, ). . :
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(, Ethernet FDDI );
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. , Ethernet . , 12 ( ). , , . , . OSI. , , .
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( , 10 / 100 /). , . , , .
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( . . ) ( ), . 8, 12 24 . , , (. 4.4). , Ethernet . , , .
, , . , . , . , (, Ethernet, Fast Ethernet, FDDI ATM). , , . , . 4-4 , .
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"", . . , . . , "" . . () ( ), (. . ).
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Simple Network Management Protocol (SNMP), . 6.
, . . . , , Ethernet, .
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Ethernet;
Fast Ethernet;
Gigabit Ethernet;
10 Gigabit Ethernet;
FDDI;
Token Ring;
Fast Token Ring.
, , . , , (). , . , , , , , . 4-5 .
(bridge) , . :
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(, Ethernet , 185 );
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Ethernet II/IEEE 802.3, , , , , . , . (promiscuousmode), . , .
MAC OSI, . , . - . , , , , . , , . , , , () (flooding). , . , . 1
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"" , . -. , TCP/IP, IPX,NetBEUI, AppleTalk .25, , . . 4.5 , NetBEUI, IPX TCP/IP.
. 4.5 Windows NT Server NetBEUI. : , Windows 2000 Server Windows Server 2003, - Windows NT Server , NetBEUI, .
, (. 1). , , (, Ethernet Token Ring) . , , Token Ring, Ethernet. , Token Ring Ethernet:
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, Token Ring, Ethernet;
(explorer) Token Ring, Ethernet.
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. ( ) . , . 4.6, 1 2 2 3. 1 3 .
, . , 52 . , 1, 2 3. ; .
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: . (local bridge) (, Ethernet). . , . () , , - . , , , .
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, , . (, 802.11b) 11 /, 2 /.
, 802. 54 /, 64 , 802.11b- 11 / 256 . .
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(remote bridge) , . . , , . , , .