Can I create a virtual IPv6 address ranges on loopback interface (lo)?

Solution Verified - Updated -

Issue

  • Can we configure a range of virtual IPv6 addresses on the loopback device by simply specifying the IPv6 network prefix?

  • In IPv4, we are able to achieve that by specifying the IP address subnet on loopback device (e.g: "ip addr add 10.1.0.0/16 dev lo").

  • The same command does not seem to work the same way for IPv6. It only adds a single IPv6 address on loopback device and it automatically adds an "unreachable" route entry on the ipv6 route table for that IPv6 network prefix.

Environment

  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

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