100_______________________________________ Internet

 RIP-

RIP    UDP-    520.  
,  RIP,     -
,  RIP- (. 2.29).

                  8                  16                               31

command (1)	version (1)		must	be	zero	(2)
Address Family Identifier (2)		must	be	zero	(2)
IP Address (4)
must be zero (4)
must be zero (4)
metric (4)

. 2.29. RIP-

Command (8 ).   ,   , 
. -      
     .  ,  -
  ,     . 
       - -
   .  
         . -
        
 .

Version (8 ).      RIP. -
      RIP,     -
       -
.

Zero (16 ).   .

Address family identifier (16 ).     
.   Internet      IP
(  2),        .

Zero (16 ).   .

IP address (32 ).   RIP-Internet    
-  IP ( RIP     IP- , 
,  ).

Zero (32 )   .