IP Network Services
Polycom, Inc. 525
LAN Redundancy
LAN Redundancy enables the redundant LAN port connection to automatically replace the failed LAN port
by using another physical connection and NIC (Network Interface Card). When a LAN port fails, IP network
traffic failure is averted and network or endpoints disconnections do not occur. When LAN cables are
connected to both LAN 1 and LAN 2 ports, the RMX automatically selects which port is active and which is
redundant.
Media Redundancy - Collaboration Server (RMX) 2000/4000
On the RealPresence Collaboration Server (RMX) 2000 and RealPresence Collaboration Server (RMX)
4000, the LAN 1 and LAN 2 port on the RTM LAN card can be used as redundant media ports.
RealPresence Collaboration Server (RMX) 2000/4000 RTM LAN Card on Rear Panel
Media Redundancy on the RealPresence Collaboration Server (RMX) 2000/4000 is dependent on the
settings of the LAN_REDUNDANCY and MULTIPLE_SERVICES System Flags as summarized in the
following table:
Media Redundancy is not supported on any of the RMX RTM ISDN cards.
Media and Signaling Redundancy - Collaboration Server (RMX) 1800
On the RealPresence Collaboration Server 1800 LAN 1 and LAN 2 are the redundant media and signaling
ports:
● LAN 1 port is used for standard communications
● LAN 2 port can be used to define a second Network Service or for LAN Redundancy
RMX 2000 / 4000 - Media Redundancy - System Flags
System Flag / Value RMX 2000 RMX 4000
LAN_REDUNDANCY = NO
MULTIPLE_SERVICES = NO
No Redundancy
LAN_REDUNDANCY = NO
MULTIPLE_SERVICES = YES
LAN_REDUNDANCY = YES
MULTIPLE_SERVICES = NO
Media Redundancy Only Full Redundancy
LAN_REDUNDANCY = YES
MULTIPLE_SERVICES = YES
Full Media Redundancy
(If only one IP Network Service is defined per media card.)
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