VT2400/VT2500 Series Voice Gateway User Guide
37
Overview Installation Troubleshooting
Contact
FAQ
Specifications Glossary License
Configuration:
Basic Advanced TCP/IP Wireless
Gateway > LAN — nat config
Use this page to enable
NAT
(Network Address Translation) and add clients to the
CURRENT NAT
PASSTHROUGH list
:
Gateway > LAN — nat config page fields
Field or Button
Description
LAN
Local Area Network
IP Address
The LAN internet protocol (IP) address assigned by your Internet service provider.
Subnet Mask
The subnet mask assigned by your Internet service provider.
Enable NAT
If enabled, the single HFC IP Address (public IP address) assigned by the service provider is
mapped to many private IP addresses on the VT2500 LAN.
Use External Interface IP address -
Manually enter -
Enable STUN
Enables a protocol for assisting devices behind a NAT firewall or router with their packet
routing. STUN allows applications to discover the presence and types of NATs and firewalls
between them and the public Internet. It provides applications with the ability to determine
the public Internet Protocol (IP) addresses allocated to them by the NAT. STUN works with
many existing NATs and allows for a wide variety of applications to work through existing
NAT infrastructure.
Enable IDS
Enables the intrusion detection system (IDS), which inspects all inbound and outbound
network activity.
Enable Manual MTU
Defines the maximum size of the packets sent from your computer to the network. Enter
1500 for an Ethernet LAN (
How about for wireless?
)
Apply (button)
Click to
Apply
your changes. You must reboot the VT2500.
.