User's Guide

Table Of Contents
Chapter 6 Broadband
LTE Series User’s Guide
73
6.8 Cellular IP Passthrough
Enable IP Passthrough to allow Internet traffic to go to a LAN computer behind the Zyxel Device without
going through NAT.
Click Network Setting > Broadband > Cellular IP Passthrough to display the following screen.
Note: This screen is not available when the fourth LAN port acts as an Ethernet WAN port. See
Table 1 on page 13 for the feature differences of the Zyxel Devices.
Figure 46 Network Setting > Broadband > Cellular IP Passthrough
Note: Changing the IP Passthrough settings may affect the network setting of client devices.
After selecting to enable the following warning appears. Click OK to continue.
Figure 47 Network Setting > Broadband > Cellular IP Passthrough > Enable Warning
The following table describes the fields in this screen.
Table 20 Network Setting > Broadband > Cellular IP Passthrough
LABEL DESCRIPTION
IP Passthrough Management
IP Passthrough IP Passthrough allows a LAN computer on the local network of the Zyxel Device to have access to
web services using the public IP address. When IP Passthrough is configured, all traffic is forwarded
to the LAN computer and will not go through NAT.