D-Link DES-3326SR User Manual page 114

DES-3326SR Layer 3 Fast Ethernet Switch User's Guide
Figure 5-18. RIP Message Format
RIP version 2 also adds a 16-bit route tag that is retained and
sent with router updates. It can be used to identify the origin
of the route.
Because the version number in RIP2 occupies the same octet
as in RIP1, both versions of the protocols can be used on a
given router simultaneously without interference.
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