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Example 3: Routed Network Configuration
NOTE: It is immaterial, in this example, which codec is the encoder and which is the
decoder. These functions are not identified in figure 8.
Figure 8 shows an example of a routed network configuration. Codec 1 is configured as the
controller, via LAN port 2.
• The two codecs are connected across a wide area network (WAN) via an external router.
• Network 1, connected to LAN port 1 (RJ-45 port), the “green” network — This
network is separated from the streaming network. This is the primary network for
system control and monitoring.
• Network 2, connected to LAN port 2 (the fiber optic port), the “red” network —
The encoder streams video on this network and it can also used for system control and
monitoring if desired.
NOTE: Selection of this network for streaming is via the built-in HTML network
interface. This selection is defined in the management interface, described
later (see “Configure Encoders or Decoders“).
• The gateway IP addresses (the addresses on both sides of the router on the red network)
is set on LAN port 2 (configuration option 14) for both codecs.
• This architecture provides isolation between the video transport and simple network
management protocol (SNMP) traffic.
NOTE: The SNMP protocol includes a system of SNMP trap messages. SNMP trap
messages can be initiated by a network element and sent to the network
management system.
Network 1
Network 2
N
etwor
k
2
Ne
tw
o
r
k
1
192.168.0.250 192.168.1.250
Local Network
Management Server
172.28.0.3
Browser 1
172.28.0.4
Browser 2
192.168.0.3
Network
Switch
Network
Switch
Network
Switch
Network
Switch
Network
Switch
Network
Router
Network
Router
B
rowser
2
192
.
168
.
0
.
3
N
etwor
k
Swi
tch
VN-MATRIX 325 SERIES
SERIAL DIGITAL VIDEO OVER IP
LAN-1
LAN-2
STATUS
ALARM
TEST
Codec 1
LAN Port 2:192.168.0.1
Controller
LAN Port 1:172.28.0.1
N
etwor
k
Swi
tch
VN-MATRIX 325 SERIES
SERIAL DIGITAL VIDEO OVER IP
LAN-1
LAN-2
STATUS
ALARM
TEST
Codec 2
LAN Port 2:192.168.1.1
LAN Port 1:172.29.1.1
Browser
172.29.1.4
Figure 8. Routed Network Configuration
VN-Matrix 325 Serial Digital Over IP CODEC • Installation and Setup 15