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Sierra Wireless RJ-11 Network Card User Manual

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Host RJ-11 IP Gateway

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Figure 2-7: Host RJ-11 IP Gateway: Network Tnaslation

Itisalsopossibletomodifythenetworkprotocoltraveling

throughtheTCPpipebyusingtheProtocolSettingspage to

definetheremotehost ʹs protocolrequirements.Themost

commonuseforthisfunctionalityistoaddSSLencryptionto

anincomingTCPconnectionpriortosendingitalongto

the

remotehost.

TheNetworkTranslationtableisusedtodefinenetwork

mappingsforTCPpipes.Youmustfirstspecifytheincoming

TCPporttowhichyourdeviceorapplicationwillconnect.

Then,youmustspecifytheoutgoinghostnameanddestination

TCPportfortheTCPpipe.

YoucanalsospecifythesourceTCPportfortheoutgoingTCP

connection.Usually,thisshouldbesetto0toallowautomatic

selectionofthesourceport.However,ifyouhaveafirewall

thatimposeslimitsonsourceTCPportsthenyoumayneedto

setthistosomethingspecific.

Notethatifyouspecify

somethingotherthan0,youwillbelimitedtoonly1TCPpipe

at‐a‐timeforanygivendestinationport.

Protocol Settings

Foreachhost(peer)youwillmakeanoutgoingconnectionto,

youneedtospecifytheprotocoloptionsusedforthathost.For

eachhost,selecttheHostfromthe“Editsettingsforadifferent

peer”selectionbox.Select“Addanewpeerdefinition”linkto

addanewhost.

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