User manual

The WebMux™ Model 480S, 580SG, and 680PG User Guide – Version 7.0.x
Network Overview
The WebMux™ has three modes: In-Path, or NAT (Network Address Translation),
Out-of-Path mode, and Transparent (NAT Ethernet Bridge) Mode. Each mode
has its advantage and disadvantages. Lets look the NAT mode first.
The main purpose of the WebMux™ is to balance the traffic among multiple web
or other servers. The diagram above shows an NAT installation with two
WebMuxes. In this configuration, one WebMux™ is serving as the primary, and
the other is serving as the secondary, or backup, providing a fault tolerant
solution.
In order for the web servers to share the incoming traffic, the WebMux™ must be
connected to the network. There are two interfaces on the WebMux™. One
interface (Internet) connects to the Router LAN. This is the network to which the
Internet router is connected. The other interface (server) is connected to the
Server LAN. This network connects all the web servers. The WebMux routes
traffic between these two networks.
Next, a Virtual Farm or multiple farms must be configured on the WebMux™. A
virtual farm is a single representation of the servers to the clients. A farm consists
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