EIGRP for IPv4 and IPv6: Theory and Comparisons

For the most part, EIGRP for IPv4 and for IPv6 have many similarities. The following list outlines some of the key differences:

Image EIGRP for IPv6 advertises IPv6 prefixes/lengths, rather than IPv4 subnet/mask information.

Image EIGRP for IPv6 uses the neighbor’s link-local address as the next-hop IP address; EIGRP for IPv4 has no equivalent concept.

Image EIGRP for IPv6 encapsulates its messages in IPv6 packets, ...

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