4.3.              301

  10

^^^!^ f^^^^t ^^^^ F^^^^t 0   ^^^^^
					1
XOPTI  ^	
(	1		0.	 2	
	2)'	-i-J  2^		)fl	 2
-
J31i				

. 4.22.      

        -
 ,   ,      -
   .      ,
   ,     . -
       (Spanning
Tree Algorithm, STA),     .  , -
  ,    ,    -
    .

4.3.3.   

   Ethernet    Kalpana 
1990          
      .

   EtherSwitch,   Kalpana,
  . 4.23.

  8  lOBase-T     Ether-
net   (Ethernet Packet Processor).  ,   
,      .  
        -
   SNMP.      
 ,  ,     -
   ,    
  .

      .  8 -
    8     -
     16   ,  
        .