Canon EOS-1D X Mark III Advanced User's Manual page 593

4.
Select [OK].
When you have completed setting the necessary items, select [OK].
The next screen is displayed.
If you are unsure what to enter, see
the network administrator or other person in charge of the network.
5.
Select an IPv6 option.
Select an option and then [OK] to go to the next screen.
When selecting [Enable], configure IPv6 settings after all settings are
complete (
The next screen is displayed after settings are complete.
).
593
Checking Network Settings or ask