Alcatel SPEED TOUCH PRO, User Manual

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prefix notation for IP
addresses
Example
STPro and prefix
notation
12 Networking Services - IP
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3EC 17059 ABAA TCZZA Ed. 01
A more up to date representation of masks does not refer to a
subnet mask, but to a prefix length.
The prefix number equals the number of ones in the subnet mask.
For example, the subnet mask 255.255.255.0 could also be
written as the prefix /24.
For example:
IP address
10.0.0.138
netmask
255.255.255.0
With the prefix notation this will be written as :
prefix IP address
10.0.0.138/24
In the STPro routing table the prefix notation will be used.