Figure 10-28 RIPv2 Message Format
The detailed explanations of each field are stated as following:
Version: Version of RIP. For RIPv2 the value is 0x02.
Route Tag: Route Tag.
IP Address: Destination IP address. It can be a natural network address, subnet
address or host address.
Subnet Mask: Mask of the destination address.
Next Hop: If set to be 0.0.0.0, it indicates that the originator of the route is the best
next hop; otherwise it indicates a next hop better than the originator of the route.
RIPv2 authentication
RIPv2 sets the AFI field of the first route entry as 0xFFFF to identify authentication information.
See Figure 10-26.
Figure 10-29 RIPv2 Authentication Message
Authentication Type: A value of 2 represents plain text authentication, while a value of
3 indicates MD5 authentication.
Authentication: Authentication data, including password information when plain text
authentication is adopted or including key ID, MD5 authentication data length and
sequence number when MD5 authentication is adopted.
Note
：
RFC 1723 only defines plain text authentication. For more information about MD5
authentication, please see RFC 2453 RIP Version 2.
This function includes three submenus:
Basic Config
,
Interface Config
and
RIP Database
.
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