AIX must be configured with a default gateway for IPv6 if the system uses IPv6 unless the system is a router.

If a system has no default gateway defined, the system is at increased risk of man-in-the-middle, monitoring, and Denial of Service attacks.

If the system is a router, this is Not Applicable.

If the system does not use IPv6, this is Not Applicable.

Determine if the system has a default route configured for IPv6 by running:

# netstat -r | grep default default 10.11.20.1 UG 1 1823 en0 - -

If a default route is not defined, this is a finding.

Configure an IPv6 default route on the system: # smitty route