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Sierra Wireless MP 875 Modem User Manual

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Rev 1.5 Jul.08 49

5: Configuring the Router

Functions

• Non-NAT mode

• NAT mode

• MP modem networking

basics in NAT mode

• Static IP and TCP/

UDP port forwarding

in NAT mode

Thischapterdescribe stherouterfunctionsoftheMPmodem

andshowsyouhowtoconfiguretheMPmodemtouseits

routercapabilities.

TheMPmodemsupportsNetworkAddressTranslat ion

(NAT).NAToperationenablesyoutousetheMPmodemto

communicatewithupto10devicesonanEthernetnetwork

andupto10additionaldevicesonawirelessaccesspoint

network.

ThefollowingtablesummarizestheMPmodem’snon‐NAT

andNATmodes.

Factor Non-NAT mode NAT mode

Number of devices

supported

One Up to 10 over Ethernet and

another 10 over WAP

simultaneously

VPN supported Yes IPSec NAT-T from R2.0.0 and

PPTP from R2.0.2

Interfaces supported Serial

USB (laptop only)

Ethernet

Wireless access point (WAP)

a

Ethernet

Wireless access point (WAP)

a

a. Note: Watcher is not available when using the WAP interface.

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