NETGEAR ProSafe FVS336Gv2 Reference Manual page 67

ProSAFE Dual WAN Gigabit WAN SSL VPN Firewall FVS336Gv2
7. In the WAN IPv4 Settings table, click the Edit button for the WAN interface that you want to
configure.
The WAN IPv4 ISP Settings screen displays.
8. Click the Advanced option arrow in the upper right.
The WAN Advanced Options screen displays for the WAN interface that you selected.
The following figure shows the WAN2 Advanced Options screen as an example.
9. In the MTU Size section, configure the MTU size:
• Default. Select this radio button for the normal maximum transmit unit (MTU) size.
For most Ethernet networks, this value is 1500 bytes, or 1492 bytes for PPPoE
connections.
• Custom. Select this radio button and enter an MTU value in the Bytes field. For
some ISPs, you might need to reduce the MTU, but this is rarely required. Do not
change the MTU unless you are sure that it is necessary for your ISP connection.
WARNING:
Depending on the changes that you make, 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.
Your settings are saved.
Configure the IPv4 Internet and WAN Settings
67