User's Guide
Table Of Contents
- LTE Series
- User’s Guide
- Introduction
- The Web Configurator
- Quick Start
- Tutorials
- 4.1 Overview
- 4.2 Set Up a Wireless Network Using WPS
- 4.3 Connect to the Zyxel Device’s WiFi Network
- 4.4 Configure a Firewall Rule
- 4.5 Configure MAC Filter
- 4.6 Upgrade Firmware on the Zyxel Device
- 4.7 Back up a Configuration File
- 4.8 Restore Configuration
- 4.9 Configure DHCP
- 4.10 Configure Static Route for Routing to Another Network
- 4.11 Access the Zyxel Device Using DDNS
- Technical Reference
- Connection Status
- Broadband
- Home Networking
- Routing
- Network Address Translation (NAT)
- Dynamic DNS Setup
- Firewall
- MAC Filter
- Certificates
- Log
- Traffic Status
- ARP Table
- Routing Table
- Cellular WAN Status
- System
- User Account
- Remote Management
- Time Settings
- E-mail Notification
- Log Setting
- Firmware Upgrade
- Backup/Restore
- Diagnostic
- Troubleshooting
- Appendices
Chapter 9 Network Address Translation (NAT)
LTE Series User’s Guide
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Figure 87 Network Setting > NAT > ALG
The following table describes the fields in this screen.
Table 38 Network Setting > NAT > ALG
LABEL DESCRIPTION
SIP ALG Click this (switch turns blue) to make sure SIP (VoIP) works correctly with port-forwarding and
address-mapping rules. Otherwise, click this to turn off (switch turns gray) the SIP ALG.
PPTP ALG Click this to turn on (switch turns blue) the PPTP ALG on the Zyxel Device to detect PPTP traffic
and help build PPTP sessions through the Zyxel Device’s NAT.
Apply Click Apply to save your changes back to the Zyxel Device.
Cancel Click Cancel to restore your previously saved settings.