Ecler White Paper - Networking with EclerNet Manager Instrukcja Użytkownika Pobierz pdf (Strona 3)

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WhitePaper–NetworkingwithEclerNetManager

Document:AS Version:1.0 Date: Page3 of12

Prefixsize Networkmask

Available

subnets

Usablehosts

persubnet

/24 255.255.255.0 1 254

/25 255.255.255.128 2 126

/26 255.255.255.192 4 62

/27 255.255.255.224 8 30

/28 255.255.255.240 16 14

/29 255.255.255.248 32 6

/30 255.255.255.252 64 2

/31 255.255.255.254 128 2

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Latestbitsfromnetmaskmustfollowtheaboveconvention;thusamaskof255.255.255.127

isnotlegal,whereas255.255.255.128isOk.

Forinstance,agoodconfigurationbetweenaPCandadeviceis:

 PC DEVICE

IPaddress 10.0.0.2 10.0.0.210

Mask 255.255.255.0 255.255.255.0

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TheIPaddress&Maskcombinationaboveallowsfortheconnectionofupto254deviceson

thesamesubnet.

Exampleofawrongconfiguration:

 PC DEVICE

IPaddress 10.0.0.2 10.2.100.23

Mask 255.255.255.0 255.255.255.0

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Andacorrectone,instead:

 PC DEVICE

IPaddress 10.0.0.2 10.2.100.23

Mask 255.0.0.0 255.0.0.0

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Twomorewrongconfigurationexampl es: 

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 PC DEVICE

IPaddress 10.0.0.2 192.168.0.100

Mask 255.255.255.0 255.255.255.0

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Ecler White Paper - Networking with EclerNet Manager Instrukcja Użytkownika Strona 3