TP-Link T3700G-52TQ User Manual page 209

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.
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.
Figure 10-25 RIPv2 Message Format
Figure 10-26 RIPv2 Authentication Message
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