Which command would create a valid IPv6 default route?
- ipv6 route ::/0 fe80::1
- ipv6 route 2001:db8:acad:1::/64 ::1
- ipv6 route ::/0 2001:db8:acad:2::a
- ipv6 route ::/128 2001:db8:acad:1::1
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The correct prefix and prefix length for a default route is ::/0, which matches any address. ::/128 matches only the specific address of all zeros.
This is the correct answer:
When creating a static route that uses a link-local address as the next hop, an exit interface must also be specified for the route to be valid.
You have to enter the command: ipv6 route ::/0 2001:db8:acad:2::a, so you can create a valid IPv6 default route .
In addition, the IPv6 also has a default static route similar to the IPv4 four-zero static route (0.0.0.0). Instead, IPv6 commands use the ::/0 notation to specify all networks.
To configure a static IPv6 route: you have first to follow the following steps: