Network Security - Polycom RMX 1500 Administrator's Manual

Network Security

Multiple Network Services
System security can be enhanced by separating the Media, signaling and
management networks.
In RMX 1500/4000 systems, the media and signaling are physically
separated from the Management Network.
In the RMX 2000 system, the RTM LAN or RTM ISDN card is required to
enable the separation between the networks.
There are two methods in which the networks can be separated:
• Multiple Network Services - In this method, a separate network can
be defined for each media card installed in the system (RMX 2000/
4000) or two network separation for one media card (RMX 1500). For
more details, see "Multiple Network Services" on page 14-61.
• Network Separation - This method is used for the RMX 2000. It
enables to physically separate between the Management and the
media and signaling networks (as with RMX 1500/4000) without
defining additional networks. For more details, see "Network
Separation" on page 14-90.
Media, signaling and Management networks can be physically separated
on the RMX system to provide enhanced security. This addresses the
requirement in an organization that different groups of participants be
supported on different networks. For example, some participants may be
internal to the organization while others are external.
Up to four media and signaling networks can be defined for RMX 4000, or
two for RMX 2000 and two for RMX 1500. Multiple IP Network Services can
be defined, one (RMX 2000/4000) or up to two (RMX 1500) for each media
and signaling network connected to the RMX. The networks can be
connected to one or several Media cards in the RMX unit.
The Management Network is logically and physically separated from the
media and signaling networks. There can be one Management Network
defined per RMX system.
Each conference on the RMX can host participants from the different IP
Network networks simultaneously.
Polycom RMX 1500/2000/4000 Administrator's Guide
14-61