NETGEAR SRX5308 - ProSafe® Quad WAN Gigabit SSL VPN Firewall

ProSafe Gigabit Quad WAN SSL VPN Firewall SRX5308 Reference Manual
Connecting the VPN Firewall to the Internet 2-33
v1.0, April 2010
Custom Select the Custom radio button and enter an MTU value in the Bytes field.
For some ISPs, you might need to reduce the MTU. This is rarely required,
and should not be done unless you are sure it is necessary for your ISP
connection.
Speed
In most cases, the VPN firewall can automatically determine the connection speed of the WAN port of
the device (modem or router) that provides the WAN connection. If you cannot establish an Internet
connection, you might need to manually select the port speed. If you know the Ethernet port speed of
the modem or router, select it from the drop-down list. Use the half-duplex settings only of the full-
duplex settings do not function correctly.
Select one of the following speeds from the drop-down list:
• AutoSense. Speed autosensing. This is the default setting, which can sense 1000BaseT speed at full
duplex.
• 10BaseT Half_Duplex. Ethernet speed at half duplex.
• 10BaseT Full_Duplex. Ethernet speed at full duplex.
• 100BaseT Half_Duplex. Fast Ethernet speed at half duplex.
• 100BaseT Full_Duplex. Fast Ethernet speed at full duplex.
• 1000BaseT Full_Duplex. Gigabit Ethernet.
Router’s MAC Address
Make one of the following selections:
Use Default Address Each computer or router on your network has a unique 32-bit local
Ethernet address. This is also referred to as the computer's Media Access
Control (MAC) address. To use the VPN firewall’s own MAC address,
select the Use Default Address radio button.
Use this computer’s MAC
Address
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.
Use this MAC Address Select the Use this MAC Address radio button to manually enter the
MAC address in the field next to the radio button. You would typically enter
the MAC address that your ISP is requiring 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.
Failure Detection Method
See “Configuring the Failure Detection Method” on page 2-20, including Table 2-5 on page 2-20.
Table 2-8. Advanced WAN Settings (continued)
Setting Description (or Subfield and Description)