Weakness

Frequent updates can flood network

Slow convergence

Maximum 15 hops may limit network con- figuration

Required full mesh in large networks can cause floods

Route flap

Load-balance multi- homed networks

Not available on low-end routers

Complex

No support for unequal cost multipath routing

Route summary can require network changes

Authentication                  Optional authentication using text string or MD5 password. (RIP v1 has no authentication)

IPv6 Support                     Only in RIPng                     Only in BGP4+                    Only in OSPF6 / Integ- rated IS-IS