Sierra-wireless MP 875 Uživatelský manuál stáhnout pdf (Strana 50)

MP875 Modem User Guide

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Non-NAT mode

Innon‐NATconfiguration,youcanconnectonlyoneclient

device,suchasacomputertotheMPmodem,asshownin

Figure5‐1.

Inthismode,theIPaddressobtainedfromtheexternal

networkispasseddirectlytotheclientdevice,whichiswhy

therecanbeonlyoneclient.

Figure 5-1: MP modem in non-NAT mode

NAT mode

InNATmode,youcanconnectupto10devicestotheMP

modemusingEthernetconnectionsandupto10additional

devicesusingWAP.

Inthismode,theIPaddressesassignedbytheMPmodemto

theclientdevicesareprivateIPaddresses.TheMPNAT

managesthetranslationofIPaddressesandportsbetweenthe

localandexternalnetworks.

Thefollowingillustrationshowsasamplenetworkwith4

computers,twoconnectedonanEthernetLANandtwo

connectedwithWAP.

IP:aaa.bbb.ccc.ddd

MP modem in non-NAT mode

Client device

Serial, USB, Ethernet,

or WAP interface

External

Network

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Sierra-wireless MP 875 Uživatelský manuál Strana 50