Canon EOS C300 Mark II Manual page 9

⑧ [Use Gateway] ⇒ Disable
⑨ [DNS Address] ⇒ Disable
⑩ Save IP Address Setting (IPv4) ⇒ Press OK
⑪ [TCP/IPv6 Settings] is not necessary for the assumed connection format of these materials, so you can select
Disable ⇒ Press SET