Enable IPv6 Forwarding on a Cisco Router

Enable IPv6 Forwarding

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Question

Which command enables IPv6 forwarding on a Cisco router?

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A. B. C. D.

D

The command that enables IPv6 forwarding on a Cisco router is "ipv6 unicast-routing".

IPv6 forwarding refers to the router's ability to receive, process, and forward IPv6 packets from one network to another. By default, Cisco routers do not forward IPv6 traffic, and therefore, the "ipv6 unicast-routing" command must be used to enable this functionality.

Here's a brief explanation of the other commands mentioned in the question:

  • ipv6 local: This command is used to configure a static IPv6 address on a Cisco router interface.
  • ipv6 neighbor: This command is used to display or manipulate the IPv6 neighbor cache on a Cisco router.
  • ipv6 host: This command is used to configure a static IPv6 host address on a Cisco router.

To enable IPv6 forwarding on a Cisco router, follow these steps:

  1. Log in to the router using privileged EXEC mode.
  2. Enter the global configuration mode by typing "configure terminal".
  3. Type "ipv6 unicast-routing" and press Enter.
  4. Type "exit" to exit the global configuration mode.
  5. Save the configuration by typing "copy running-config startup-config".