Ripv2 authentication message format – H3C Technologies H3C WX3000E Series Wireless Switches User Manual
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Figure 53 RIPv2 Message Format
Differences from RIPv1:
•
Version–Version of RIP. For RIPv2 the value is 0x02.
•
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 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 message format
RIPv2 sets the AFI field of the first route entry to 0xFFFF to identify authentication information. See
.
Figure 54 RIPv2 Authentication Message
•
Authentication Type—A value of 2 represents plain text authentication; a value of 3 represents
MD5.
•
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, see
RFC 2453,
RIP Version 2.
•
With RIPv1, you can configure the authentication mode in interface view. However, the configuration will
not take effect because RIPv1 does not support authentication.
Command
0xFFFF
Authentication (16 octets)
Version
Unused
Authentication type
0
7
15
31
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