RIP v2

( Routing Information Protocol version 2 )

 

0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7
Command Type Version # = 2 Reserved: must be zeros
Address Family ID Route Tag
IP Address
Subnet Mask
IP Address of Next Hop
Distance Metric
Address Family ID Route Tag
IP Address
Subnet Mask
IP Address of Next Hop
Distance Metric

 

RIP v2 Contents
Command Type. 8 bits.
1=RIP request; 2=RIP response

Version. 8 bits.
2 = RIP version 2

Reserved. 16 bits.
Must be all zeros

Route Table Entries. 32 bits.
The number of route table entries (RTEs) in this message

Address Family ID. 16 bits
value of 2 indicates address family is IP

Route Tag . 16 bits.
additional information pertaining to this route

IP Address . 32 bits.
IP address of the target directed to by this route. Default route = all zeros

Subnet Mask. 32 bits.
Subnet mask associated with target IP address

.... repeat for up to 25 additional Route Table Entries @ 20 bytes....