Table of Contents
About this Guide............................................................................................................................................... 3
Loadbalancer.org Appliances Supported..........................................................................................................3
Loadbalancer.org Software Versions Supported............................................................................................... 3
McAfee Web Gateway Appliances Supported.................................................................................................. 3
Benefits of Implementing a Load Balancer.......................................................................................................4
Load Balancer Configuration Options...............................................................................................................4
Layer 4 (Recommended)............................................................................................................................. 4
DR Mode - Direct Server Return Mode (Recommended).......................................................................4
NAT Mode - Network Address Translation Mode....................................................................................4
Layer 7......................................................................................................................................................... 4
SNAT / HAProxy Mode - Source Network Address Translation..............................................................4
Persistence - aka Server Affinity.................................................................................................................. 5
Source IP Address (Recommended)......................................................................................................5
Destination Hash.................................................................................................................................... 5
Web Gateway Deployment Modes.................................................................................................................... 5
1 – Proxy Mode (Recommended)................................................................................................................ 5
2 – Transparent Routed Proxy Mode........................................................................................................... 5
Loadbalancer.org Appliance – the Basics.........................................................................................................6
Network Configuration................................................................................................................................. 6
Accessing the Web User Interface (WUI).................................................................................................... 7
Clustered Pair Configuration........................................................................................................................ 8
Option 1 - Proxy Mode (Recommended)..........................................................................................................9
Deployment Architecture.............................................................................................................................. 9
Load Balancer Configuration..................................................................................................................... 10
Create the Virtual Service (VIP)............................................................................................................ 10
Define the Real Servers (RIPs)............................................................................................................. 11
Web Gateway Configuration...................................................................................................................... 12
Modify the Web Gateways to accept traffic for the VIP.........................................................................12
Concept........................................................................................................................................... 12
Configuring the McAfee Appliance...................................................................................................12
Web Gateway Operating Mode............................................................................................................. 13
Proxy Port Configuration....................................................................................................................... 13
Client Configuration................................................................................................................................... 14
Option 2 - Transparent (Routed) Proxy Mode................................................................................................. 15
Deployment Architecture............................................................................................................................ 15
Load Balancer Configuration..................................................................................................................... 16
Create the Virtual Service (VIP)............................................................................................................ 16
Define the Real Servers (RIPs)............................................................................................................. 18
Web Gateway Configuration...................................................................................................................... 19
Web Gateway Operating Mode............................................................................................................. 19
Router / Default Gateway Configuration....................................................................................................21
Client Configuration................................................................................................................................... 21
Testing & Validation......................................................................................................................................... 22
Layer 4 – Current Connections.................................................................................................................. 22
Technical Support........................................................................................................................................... 23
Appendix......................................................................................................................................................... 24
1 – Clustered Pair Configuration – Adding a Slave Unit.............................................................................24
2 – Loadbalancer.org Company Contact Information.................................................................................25
3 – McAfee Company Contact Information................................................................................................26
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