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MBE Family Installation and Operation Manual Chapter 1 Introduction
Overview 1-3
The Single IP address translation feature permits a small or medium office LAN to
connect to the Internet or Intranet transparently. Single IP uses a single,
dynamically or statically allocated IP address for all users on the LAN.
• IP can be routed over PPP, SLIP, CSLIP or Frame Relay.
• IPX can be routed over either PPP or Frame Relay.
Quick Setup
The Quick Setup menu enables the adjustment of setup and link configuration
parameters while MBE is operating. For a complete description of the Quick Setup
menu, see the LAN RANger Series Configuration Guide.
Transparent Remote-to-Remote Forwarding
Transparent remote-to-remote forwarding enables direct data transfer between
two remote sites, whether or not the links are bridges or routers.
Security
Unauthorized entry to an office LAN is prevented by an Integral Solid Firewall
using session-based firewalls. When enabled, access to the LAN is restricted to only
applications enabled via the Firewall Forward Application List. In addition, access
to the MBE unit can be blocked or password-protected through TELNET or SNMP.
MBE uses PAP/CHAP security for applications that include router links. PAP/CHAP
and a scripting tool provide Internet Access authentication.
Dialback over PPP to a station using a router link at a fixed location is supported in
Microsoft operating environments (such as Windows 95). This feature adds security
by verifying the user's identity and location. It also reduces costs to mobile users.
MBE also supports Remote Dial-In User Service (RADIUS), which is a client/server
security protocol. Security information is stored in a RADIUS server. MBE
communicates with the RADIUS server to authenticate users.
WAN Economy
Connection on Demand (COD) enables links to be connected or disconnected
according to time, traffic or management. COD may be triggered based on user-
defined masks.
Spoofing is used to reduce WAN link up-time and traffic by increasing the period
between RIP, SAP or IPX Keep Alive broadcasts.
Filters based on user-defined masks improve WAN utilization by ensuring that only
necessary packets are transmitted over the WAN. A special hardware filtering
technique is used to ensure high performance and easy installation.
ISDN Support
MBE supports applications operating over ISDN networks. ISDN software may be
downloaded into flash memory via TELNET or SNMP.
A bandwidth threshold may be set in order to control the amount of traffic passing
through ISDN lines. The first ISDN line operates according to the COD
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