Configuring The System For Use With A Firewall Or Nat; Firewall Settings - Polycom HDX 4000 Series Administrator's Manual

Administrator's Guide for Polycom HDX Systems

Configuring the System for Use with a Firewall or NAT

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Setting Description
Dynamic Specifies whether to let the system automatically find the
Bandwidth optimum line speed for a call.
Maximum Specifies the maximum transmit line speed between 64 kbps
Transmit and the system's maximum line rate.
Bandwidth
Maximum Specifies the maximum receive line speed between 64 kbps
Receive and the system's maximum line rate.
Bandwidth
Note: The 8 Mbps Line Rate feature is only for multipoint calls.
It is not available as a maximum bandwidth.
A firewall protects an organization's IP network by controlling data traffic
from outside the network. Unless the firewall is designed to work with H.323
video conferencing equipment, you must configure the system and the
firewall to allow video conferencing traffic to pass in and out of the network.

Firewall Settings

Network Address Translation (NAT) network environments use private
internal IP addresses for devices within the network, while using one external
IP address to allow devices on the LAN to communicate with other devices
outside the LAN. If your system is connected to a LAN that uses a NAT, you
need to enter the NAT Public (WAN) Address so that your system can
communicate outside the LAN.
To set up the system to work with a firewall or NAT:
Do one of the following:
1
— In the local interface, go to System > Admin Settings > Network > IP
> Firewall (select
— In the web interface, go to Admin Settings > Network > IP Network
> Firewall.
if necessary).
Polycom, Inc.