In the creation of an IPv6 ACL, what is the purpose of the implicit final command entries, permit icmp any any nd-na and permit icmp any any nd-ns ?

Last Updated on April 28, 2021 by Admin

In the creation of an IPv6 ACL, what is the purpose of the implicit final command entries, permit icmp any any nd-na and permit icmp any any nd-ns ?

  • to allow IPv6 to MAC address resolution
  • to allow forwarding of IPv6 multicast packets
  • to allow automatic address configuration
  • to allow forwarding of ICMPv6 packets
    Answers Explanation & Hints:
    IPv6 address to MAC address resolution is performed through the exchange of ICMPv6 neighbor discovery packets comprised of neighbor solicitation and neighbor advertisement packets. Unless these packets are permitted on a router interface, the interface will not be able to perform MAC address resolution.
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