Table Of Contents - AT&T U115 Install Manual

Installing the AT&T VPN Gateway U115 ................................................................................................................................................... 5
Step 1: Establish Physical Connectivity to the Internet .............................................................................................................................. 5
Option a. Wired Ethernet Connection ..................................................................................................................................................... 6
Option b. Cellular Connection ................................................................................................................................................................ 6
Step 2: Establish Local Network Connectivity ............................................................................................................................................ 7
Configuring the U115 .................................................................................................................................................................................... 8
Access the U115 Web Interface ................................................................................................................................................................... 8
Primary IPv4 WAN Interface Setup ............................................................................................................................................................ 9
Configuring DHCP ............................................................................................................................................................................... 11
Configuring a Static IP Address............................................................................................................................................................ 12
Configuring PPPoE ............................................................................................................................................................................... 13
Configuring an Always-On Cellular Connection .................................................................................................................................. 14
Configuring a User Controllable Dial as Primary Configuration .......................................................................................................... 16
Cellular service verification .................................................................................................................................................................. 18
Administrator Access................................................................................................................................................................................. 19
Establishing VPN Connectivity ................................................................................................................................................................. 20
LAN Port Configuration ............................................................................................................................................................................. 22
VLANS ....................................................................................................................................................................................................... 22
Hub Mode .................................................................................................................................................................................................. 25

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