Entering Networks Using Cidr Format - HP 800 User Manual
Network access controller 800
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Table 15-1. CIDR Naming Conventions
Entering Networks Using CIDR Format
Networks and network endpoints can be specified in NAC 800 using Classless
Inter Domain Routing (CIDR) format. CIDR is a commonly used method for
specifying Internet objects. table 15-1 presents common CIDR naming con-
ventions.
Netmask
255.255.255.255
255.255.255.254
255.255.255.252
255.255.255.248
255.255.255.240
255.255.255.224
255.255.255.192
255.255.255.128
255.255.255.0
255.255.254.0
255.255.252.0
255.255.248.0
255.255.240.0
255.255.224.0
255.255.192.0
255.255.128.0
255.255.0.0
255.254.0.0
255.252.0.0
255.248.0.0
Entering Networks Using CIDR Format
Networks
1/256 of a Class C Network
1/128
1/64
1/32
1/16
1/8
1/4
1/2
1 Class C network
2 Class C networks
4 Class C networks
8 Class C networks
16 Class C networks
32 Class C networks
64 Class C networks
128 Class C networks
1 Class B network
2 Class B networks
3 Class B networks
8 Class B networks
System Administration
Hosts
1
2
4
8
16
32
64
128
256
512
1,024
2,048
4,096
8,192
16,384
32,768
65,536
131,072
262,144
512,000
15-13
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