NETGEAR ProSafe FVS336Gv2 Reference Manual page 71

ProSAFE Dual WAN Gigabit WAN SSL VPN Firewall FVS336Gv2
9. In the Router's MAC Address section, enter the settings as described in the following table.
Setting
Use Default Address
Use this computer's MAC
Address
Use this MAC Address
WARNING:
Depending on the changes that you made, when you click the Apply
button, the VPN firewall might restart or services such as HTTP and
SMTP might restart.
10. Click the Apply button.
Description
To use the VPN firewall's own MAC address, select the Use Default Address
radio button. This is the default setting.
Select the Use this computer's MAC Address radio button to allow the VPN
firewall to use the MAC address of the computer you are now using to access
the web management interface. This setting is useful if your ISP requires MAC
authentication.
Select the Use this MAC Address radio button and manually enter the MAC
address in the field next to the radio button. You would typically enter the MAC
address that your ISP requires for MAC authentication.
Note: The format for the MAC address is 01:23:45:67:89:AB (numbers
0–9 and either uppercase or lowercase letters A–F). If you enter a MAC address,
the existing entry is overwritten.
Configure the IPv4 Internet and WAN Settings
71