2.Vnet/IPNetworkConguration
2-2
TI 30A10A05-01E
2.1 IPAddressSetting
Set the IP addresses of the devices that are connected to Vnet/IP. This section describes
the IP addresses that are used in Vnet/IP.
Vnet/IP uses IPv4 addresses that consist of a network address and host address, as
showninthefollowinggure.
020101E.ai
8 bits
192
11000000 10101000 00000001 00000001
168 1 1
8 bits 8 bits 8 bits
Network address
Host
Address
32 bits
IP address
Subnet mask
255 255 255 0
11111111 11111111 11111111 00000000
n Network address
Vnet/IP uses a network address that is determined by the domain number and bus line, as shown
in the following table. A domain number is set for each Vnet/IP station by using a DIP switch.
Domain numbers must not be duplicated within their respective Vnet/IP and V net domains.
Table Network address
Bus line IP address Subnet mask
Bus 1 192.168.<domain number>.0 255.255.255.0
Bus 2 192.168.128+<domain number>.0 255.255.255.0
n Host address for control communications
In each Vnet/IP station, the host address for control communications is automatically set to the
station number 2 to 129. A station number is set for each Vnet/IP station by using a DIP switch. A
host address is assigned to each CPU module in duplexed FCS, duplexed SCS, and duplexed V
net routers.
The default host address for SNTP server is set to 254. You can change this setting from the
domain properties. (*1) (*2)
*1: You cannot use host address 1 because it is reserved.
*2: You cannot change host addresses in CENTUM CS 3000 R3.07 or earlier.
Aug.19,2011-00
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