FANUC Robotics America GFK-1541B User Manual
TCP/IP Ethernet Communications for the Series 90™ PLC User's Manual
–
May 2002
GFK-1541B
6
Example: Network Divided into Two Subnets
The new network configuration dividing Network 2 into Subnets 2.1 and 2.2 is shown below.
172.16.0.1
A
Network 1
172.17.64.1
B
172.17.64.2
C
172.17.64.3
G1
(Sub)Network 2.1
172.17.128.1
D
172.17.128.2
E
172.17.128.3
G2
(Sub)Network 2.2
172.16.0.2
Gateway
Gateway
172.17.64.4
Here, a second network with Hosts D and E has been added. Gateway G2 connects Subnet 2.1
with Subnet 2.2. Hosts D and E will use Gateway G2 to communicate with hosts not on Network
2.2.
with Subnet 2.2. Hosts D and E will use Gateway G2 to communicate with hosts not on Network
2.2.
Hosts B and C will use Gateways G1 and G2 to communicate with hosts not on Network 2.1.
When B is communicating with D, G2 (the configured Gateway for B) will route the data from B
to D through Gateway G2.
When B is communicating with D, G2 (the configured Gateway for B) will route the data from B
to D through Gateway G2.
Host A will use Gateway G1 to communicate with hosts not on Network 1.
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