Limitations of RIP-2
Despite its overhaul, RIP-2 couldn't compensate for all its predecessors' limitations. In fairness to the creators of RIP-2, they didn't seek to make RIP-2 anything but a modernized RIP. This included maintaining its original purpose as an IGP for use in small networks or autonomous systems. Therefore, all the original functional limitations designed into RIP also apply to RIP-2. The critical differences are that RIP-2 can be used in networks that require either support for authentication and/or variable-length subnet masks.
Some of the more salient limitations that were inherited by RIP-2 include the following:
15-hop maximum— Perhaps the single greatest limitation that RIP-2 inherited from RIP is that its interpretation ...
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