This article relates to the Cisco TelePresence System Profile MXP Series, Cisco TelePresence System MXP Series, Cisco Telepresence System Integrator MXP Series and Cisco TelePresence System Edge MXP Series products.
Q. How do I configure NAT on TANDBERG MXP endpoints?
A. The MXP's NAT (Network Address Translation) settingisused when the MXPis located behind a local NAT firewall and the firewall has a static public IP address. It allowsthe MXP to appear as though it is directly connected to the internet - the MXP signals the public IP address of the local NAT firewall in place of its own IP address.
Go to: Control Panel > Network > LAN Settings > H.323 Settings > Advanced H.323 Settings > NAT .
The MXP has the following NAT modes:
Off: the MXP signals with its own IP address. This is the default setting.
On: the MXP signals with the configured NAT address in place of its own IP address within the Q.931 and H.245 messages.
Auto: the MXP decides if the NAT address or its own IP address should be used within the signaling. This is to support calls to the public internet and within a LAN without the need to reconfigure the unit. If the unit detects thata public IP addresshas been dialed ituses the NAT address, otherwise ituses its own IP address.
When an MXP is registered to a VCS Expressway or TANDBERG Border Controller, NAT mode should be set to Off as the VCS Expressway or Border Controller will handle the NAT traversal.
You cannot use the NAT traversal features of the MXP to communicate with a VCS Control or TANDBERG Gatekeeper that is located behind a NAT firewall. It must go via a VCS Expressway.