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Vantage RADIUS User’s Guide
IP Subnetting
H-7
NO. “BORROWED” HOST BITS
SUBNET MASK
NO. SUBNETS NO. HOSTS PER SUBNET
5 255.255.255.248
(/29)
32
6
6 255.255.255.252
(/30)
64
2
7 255.255.255.254
(/31)
128
1
Subnetting With Class A and Class B Networks.
For class “A” and class “B” addresses the subnet mask also determines which bits are part of the network
number and which are part of the host ID.
A class “B” address has two host ID octets available for subnetting and a class “A” address has three host
ID octets (see
Chart J-1
) available for subnetting.
The following table is a summary for class “B” subnet planning.
Chart H-13 Class B Subnet Planning
NO. “BORROWED” HOST
BITS
SUBNET MASK
NO. SUBNETS
NO. HOSTS PER SUBNET
1 255.255.128.0
(/17)
2 32766
2 255.255.192.0
(/18)
4 16382
3 255.255.224.0
(/19)
8
8190
4 255.255.240.0
(/20)
16 4094
5 255.255.248.0
(/21)
32 2046
6 255.255.252.0
(/22)
64 1022
7 255.255.254.0
(/23)
128 510
8 255.255.255.0
(/24)
256 254
9 255.255.255.128
(/25)
512
126
10 255.255.255.192
(/26)
1024
62
11 255.255.255.224
(/27)
2048
30
12 255.255.255.240
(/28)
4096
14
13 255.255.255.248
(/29)
8192
6
14 255.255.255.252
(/30)
16384
2
15 255.255.255.254
(/31)
32768
1
Summary of Contents for VANTAGE RADIUS 50
Page 1: ...Vantage RADIUS 50 User s Guide Version 1 0 8 2005 ...
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Page 65: ...RADIUS Server II Part II RADIUS Server This part introduces the RADIUS Server screens ...
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Page 157: ...Vantage RADIUS User s Guide Troubleshooting A 11 Figure A 8 Java Sun ...
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