Sagem ADR 155C Installation And User Manual page 64

ANNEX A - CONSTRUCTING AN IP NETWORK ADDRESSING PLAN
Note: If it is possible to define a default router (option sometimes available), to which any
packet may be transmitted which cannot be routed using the routing table.
The following figure shows an example of an IP network and routing tables associated with two
equipment types. It shall be noted that each port of the onboard routing function corresponds to
a different SUBNET.
128.1.0.1
NET 128.1
Ethernet
Interfaces
Static routes
Dest @IP Subnet mask
140.1.0.0 255.255.0.0
150.1.1.0 255.255.255.0
Installation and User Guide - N56717020101
Page AA-4
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Block diagram of example TMN architecture
SNMPC
128.1.0.2
Ethernet
Fiber
NET 160.1
ADR155C F6 Configuration
Ether IP
Ether Mask
STM1 IP
STM1 Mask
X21:P IP
X21:P Mask
Next hop
128.1.0.2
150.1.0.3
140.1.0.2 140.1.0.3
Fiber
F1 F2
128.1.0.3
NET 140 - 1
F6
150.1.0.2
Fiber
SUBNET 150.1.0
150.1.0.3
Ethernet
150.1.1.3
F8
128.1.0.3
255.255.0.0
150.1.0.2
255.255.255.0
0.0.0.0 (Interface not put into service)
0.0.0.0
Interface Metric
e 1
s 1
140.1.1.3
F3
140.1.0.2
140.1.1.4
Ethernet
F4
140.1.1.5
F5
F7
150.1.1.2
SUBNET 150.1.1
150.1.1.4
150.1.1.5
F9 F10
NET 150.1
Remark
All the NET 140.1
All the SUBNET 155.1.1