Link-local and ACLs

David Farmer farmer at
Mon Jul 24 19:46:04 CEST 2017

In practice Neighbor Discovery, and other critical protocols, need
link-local addresses to talk to other link-local addresses and some
multicast addresses.

Also, in theory a link-local address could talk to a GUA or ULA address on
the same link. However, in practices does this really happen? If it does
happen in practice what are circumstances?


David Farmer               Email:farmer at
Networking & Telecommunication Services
Office of Information Technology
University of Minnesota
2218 University Ave SE        Phone: 612-626-0815
Minneapolis, MN 55414-3029   Cell: 612-812-9952
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