Technical Reference - ZyXEL Communications NR/FWA Outdoor Series User Manual

The following table describes the labels in this screen.
Table 42 Network Settings > Home Networking > GRE Tunnel
LABEL
Auto Detect Status
Note: These fields are available only when Auto Detect Status is disabled.
Add New GRE
Tunnel
Configuration
Index
Status
Subnet Mask
Enable
Name
Remote IP
Delete
Cancel
Apply

9.7 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.
Chapter 9 Home Networking
DESCRIPTION
Click this switch to the right to enable the Zyxel Device to automatically detect and connect
to remote devices through a GRE tunnel.
Alternatively, click this switch to the left to configure/enable/remove/add GRE tunnels.
Click this if you want to create a new GRE tunnel.
This is the index number of the entry.
Select this to enable the GRE tunnel. Alternatively, disable the GRE tunnel.
Select this to allow the Zyxel Device to tunnel local traffic to Remote IPs that are within the
remote device IP's subnet mask.
Note: Due to hardware limitation, you can only enable subnet mask for two
Remote IP addresses.
Enter a descriptive name for this tunnel.
You can enter up to 64 alphanumeric and special characters including spaces and 2-byte
characters.
Enter the remote device's IP address for this tunnel. If the tunnel is active and connected, the
Zyxel Device tunnels local traffic to this IP address.
Click this icon to remove a tunnel. The Zyxel Device confirms you want to remove it before
doing so.
Click Cancel to not save your settings and return to the previous screen.
Click Apply to save your changes and return to the previous screen.
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