3Com OfficeConnect Series, User Manual

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iii
T
ABLE OF
C
ONTENTS
A
BOUT
T
HIS
G
UIDE
How to Use This Guide 9
Conventions 10
Year 2000 Compliance 10
1
I
NTRODUCTION
Introduction 11
Applications 11
Local Networking with Access to the Internet 11
Local Networking with Access to a Remote Office 12
Local Networking with Access to the Internet and a Remote Office 12
Features 13
2
ISDN LAN M
ODEM
F
UNCTIONALITY
D
ESCRIPTION
Connection Types 17
LAN Side Connection 17
Application Sharing over the LAN 18
WAN Side Connection 18
Two Separate Connections to Different Locations. 18
One High Speed Connection to a Single Location 19
Call Routing Protocol and IP Address Translation 20
Placing a Call to a Previously Defined Destination 20
Call Routing While No Other Calls Are Connected 20
Call Routing While One Call Is Already Connected 21
Understanding Multilink PPP and BACP/BAP 21
What is Multilink PPP? 21
What is BACP/BAP? 21
Multilink PPP Configuration Options 22
Understanding Dynamic Bandwidth Allocation 22
Understanding VPNs and PPTP 23
Setting Up the Server Side of the Tunnel 23
Setting Up the Client Side of the Tunnel 23
For Windows Dial-Up Networking Users 24
Establishing a Tunnel via the ISDN LAN Modem 24