5.4.    IP-      429

      IP-,   
     .     
OSPF    .    -
         
(. . 5.27).

     ,   
     -.

   ,   . 5.28.

129.35.0.0 )		(197.13.58.0
R1 )		( R3 '
R2 ^		J" R4 ^
	195.46.17.0	
	( R5 )	
/ DC ^		f D7 I
\. ' /(201.106.14.0		\ "' )201.106.15.0)

. 5.28.  ,   OSPF

 OSPF       
 :  -    - . 
     R3 - R4,     R4 - 195.46.17.0.
  -  IP-,     -
 ,    .   IP-   
   .

  OSPF-      -
  ,   RIP-.  
    .    -
 HELLO    ,      
    ,    -
   ,    .  -
          
      .

   .  OSPF  -
    (,   Spanning Tree) -
   ,   : Ethernet 
10 , Fast Ethernet  1 ,  1  65 ,  56 / 
1785   . .

           -
,    ,      .   -
   R5   R6  R7  Tl, a R6  R7
    56 /.  R7   -
   201,106.14.0  ,    