Technical Reference - ZyXEL Communications LTE Series User Manual

Table 44 Network Settings > Home Networking > UPnP
LABEL
UPnP NAT-T
#
Description
Destination IP
Address
External Port
Internal Port
Protocol
Apply
Cancel

8.5 Technical Reference

This section provides some technical background information about the topics covered in this chapter.
LANs, WANs and the Zyxel Device
The actual physical connection determines whether the Zyxel Device ports are LAN or WAN ports. There
are two separate IP networks, one inside the LAN network and the other outside the WAN network as
shown next.
Figure 94 LAN and WAN IP Addresses
Private IP Addresses
Every machine on the Internet must have a unique address. If your networks are isolated from the
Internet, for example, only between your two branch offices, you can assign any IP addresses to the
Chapter 8 Home Networking
DESCRIPTION
Select Enable to activate UPnP with NAT enabled. UPnP NAT traversal automates the process
of allowing an application to operate through NAT. UPnP network devices can automatically
configure network addressing, announce their presence in the network to other UPnP devices
and enable exchange of simple product and service descriptions.
This field displays the index number of the entry.
This field displays the description of the UPnP NAT-T connection.
This field displays the IP address of the other connected UPnP-enabled device.
This field displays the external port number that identifies the service.
This field displays the internal port number that identifies the service.
This field displays the protocol of the NAT mapping rule. Choices are TCP or UDP.
Click Apply to save your changes.
Click Cancel to restore your previously saved settings.
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