Configure Advanced Wan2 Settings - Watchguard Firebox X15 User Manual

Configure advanced WAN2 settings

You can configure additional settings for your second WAN interface (WAN2) on the Advanced tab below
WAN 2.
1. From the Link Speed drop-down list, select Automatic if you want the Edge to select the best network
speed. You can also select one of the half-duplex or full-duplex speeds that you know is compatible
with your equipment. We strongly recommend that you do not change this setting unless instructed
to by Technical Support. When you set the link speed manually, this can cause a conflict with the NIC
device during failback that does not allow WAN1 to reconnect.
2. From the Maximum Transmission Unit (MTU) value control, select the maximum packet size, in
bytes, that can be sent through the interface. We recommend that you use the default, 1500 bytes,
unless your network equipment requires a different packet size.
3. To override the MAC address, select the Enable override MAC address check box, and then enter the
new MAC address in the Override MAC address field.
Some ISPs use a MAC address to identify the computers on their network. Each MAC address gets one
static IP address. If your ISP uses this method to identify your computer, then you must change the
MAC address of the Firebox X Edge external interface. Use the MAC address of the cable modem, DSL
modem, or router that connected directly to the ISP in your original configuration.
User Guide
Network Settings
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