Dell PowerEdge C8220 Hardware Owner's Manual page 94

Option
Gateway MAC Address
BMC NIC MAC
Address
IPv6 Mode
(Disabled default)
IPv6 Mode
Select Enabled in the IPv6 Mode option and press <Enter> to view the
following screen.
IPv6 Mode
Option
IPv6 AutoConfig
94
Using the System Setup Program
Description
Sets the MAC address for the static IP address.
Sets the MAC address for the BMC management port.
Enables or disables the IPv6 internet protocol support.
If set to enabled, configure the IPv6 prefix, IP , and gateway
addresses.
Description
Enables or disables IPv6 auto configuration.