Router R1 currently supports IPv4, routing packets in and out all its interfaces. R1’s configuration needs to be migrated to support dual-stack operation, routing both IPv4 and IPv6. Which of the following tasks must be performed before the router can also support routing IPv6 packets? (Choose two answers.)

IT Questions BankCategory: CCNARouter R1 currently supports IPv4, routing packets in and out all its interfaces. R1’s configuration needs to be migrated to support dual-stack operation, routing both IPv4 and IPv6. Which of the following tasks must be performed before the router can also support routing IPv6 packets? (Choose two answers.)

Router R1 currently supports IPv4, routing packets in and out all its interfaces. R1’s configuration needs to be migrated to support dual-stack operation, routing both IPv4 and IPv6. Which of the following tasks must be performed before the router can also support routing IPv6 packets? (Choose two answers.)

  • Enable IPv6 on each interface using an ipv6 address interface subcommand.
  • Enable support for both versions with the ip versions 4 6 global command.
  • Additionally enable IPv6 routing using the ipv6 unicast-routing global command.
  • Migrate to dual-stack routing using the ip routing dual-stack global command.

Explanation: Of the four answers, the two correct answers show the minimal required configuration to support IPv6 on a Cisco router: enabling IPv6 routing (ipv6 unicast-routing) and enabling IPv6 on each interface, typically by adding a unicast address to each interface (ipv6 address…). The two incorrect answers list nonexistent commands.

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