NS3000/iX NMMGR Screens Reference Manual - Edition 8 (36922-90038)

102 Chapter6
Point-to-Point (Router) Network Interface Configuration Screens
Internet Protocol Configuration
Class B: B nnn.nnn xxx.xxx
Class A: A nnn xxx.xxx.xxx
where xxx is a value ranging from 000 to 255,
representing the node portion of the address and nnn is
a value ranging from 000 to 255, representing eight bits
of the network portion of an address. Note the network
and node values of all zeros or all ones are not allowed.
These are special value. The leftmost group of nnn has
the following ranges for each address class:
Class C: 192–223
Class B: 128–191
Class A: 001–126
Default value: None
IP subnet
mask The IP subnet mask masks a portion of the IP address
for subnets. The subnet is specified in the same format
as an IP address; that is, the 32-bit mask is grouped in
octets expressed as decimal integers and delimited by a
“.” or a space. for example, a mask for a class A address
with the subnet field being the first 8 bits of the node
portion would be expressed as 255 255.000.000. The
defaul is no IP mask.
Refer to the HP 3000/iX Netowrk Planning and
Configuration Guide for more details on subnets.