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Barracuda Link Balancer 

Barracuda Link Balancer - Quick Start Guide 

 
 
The Barracuda Link Balancer routes and manages traffic across multiple Internet 
connections. It optimizes the use of multiple Internet links, such as T1s, T3s, DSL and 
cable connections from one or more Internet service providers. The Barracuda Link 
Balancer: 

 

aggregates Internet connection links 

 

provides automated failover in case of link failure 

 manages 

bandwidth 

 

performs Quality of Service (QoS) for Internet applications 

 

includes DHCP server and DNS caching server 

 

acts as a traditional firewall 

 

This guide describes how to deploy the Barracuda Link Balancer as the default gateway 
for your network. In this configuration, the Barracuda Link Balancer sits between the 
Internet and your switch, acting as both firewall and router, and replacing your existing 
firewall or router. Other deployment configurations are described in the 

Barracuda Link 

Balancer Administrator’s Guide

 

 

 
The instructions given here provide a method to configure the Barracuda Link Balancer 
completely before connecting it to the Internet. We recommend reading these steps fully 
before starting the setup.  
 

 
Getting Started 

To set up your Barracuda Link Balancer, you need the following: 

 

Barracuda Link Balancer, AC Power Cord (included) 

 Ethernet 

Cables 

 VGA 

Monitor 

 

 PS2 

Keyboard 

 

 

Computer with Web browser attached to your network 

If you already have a firewall, retrieve the settings so that they can be configured 
in the Barracuda Link Balancer. Record the IP Address and type of link for each 
Internet connection.  

 

 
Physically Connect to the Barracuda Link Balancer 

To perform initial configuration of the Barracuda Link Balancer: 
1.  Connect a standard VGA Monitor, PS2 Keyboard, and AC power cord to the 

unit.  

2.  Press the blue Power button on the front panel to turn the unit on. 

 

 

 
Configure with Temporary LAN IP Address and Network Settings 

If you have a monitor connected, the Barracuda Link Balancer will display the 
Boot Menu initially, and the Administrative Console login prompt once fully 
booted.  To begin the configuration: 
1.  Login to the Administrative Console using the admin login: 

 

Login

admin

 

 

Password

admin

 

2.  Configure the LAN adapter so that the Barracuda Link Balancer can be 

accessed from the computer you will use to configure it. Enter the 

IP 

Address, Netmask, Primary DNS Server 

and

 Secondary DNS Server

 as 

appropriate for your local area network.  

3.  Save your changes and exit. 
4.  Connect an Ethernet cable from your LAN to the LAN port on the back panel 

of the Barracuda Link Balancer.

 

 

 
 
Login to the Barracuda Link Balancer Web Interface 

Using a computer that is connected to the same subnet as the Barracuda Link 
Balancer’s LAN adapter, follow these steps: 
1.  In your Web browser’s address bar, enter http:// followed by the Barracuda 

Link Balancer’s LAN IP address, followed by the default Web Interface 
HTTP port (:8000). For example, if you configured the Barracuda Link 
Balancer with a LAN IP address of 192.168.200.200, you would type:  

http://192.168.200.200:8000 

2.  Login to the Barracuda Link Balancer Web interface as the administrator.  

Username:

 admin    

Password:

 admin 

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