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Enterasys’ Traffic Accounting Services

350 Enterasys Xpedition User Reference Manual

Enterasys’ Traffic Accounting Services

Enterasys’s Accounting Services consists of the following components:

• LFAP agent on the XP that collects application flow accounting information and sends

it to the Enterasys FAS. You can configure the XP to collect information on an entire

interface or on a specific host-to-host application flow. Configuring the LFAP agent on

the XP is described in this chapter. See the Enterasys Xpedition Command Line Interface

Reference Manual for details on the lfap commands.

• One or more Enterasys FAS systems. The main responsibility of Enterasys’s FAS is to

listen for LFAP messages from the XPs on the network and collect the information. A

single FAS can collect data from multiple XPs. See the Enterasys Accounting Installation

and Upgrade Guide for information about configuring the FAS.

• Enterasys Traffic Accountant is a database and reporting application that allows you to

create customized reports. See the Enterasys Accounting Installation and Upgrade Guide

for information about installing the Traffic Accountant; see the FAS and CTA User

Reference for information about using the Traffic Accountant.

Figure 27 shows the interactions between LFAP on the XP, the FAS, and the Traffic

Accountant.

Figure 27. Enterasys’s Network Traffic Accounting Services

Configuring the LFAP Agent on the XP

Because the FAS-to-XP connection is via TCP, LFAP messages can be transmitted across a

LAN or a WAN. However, if you are deploying traffic accounting to save backbone or

WAN bandwidth, it makes sense to have the FAS as close as possible to the XPs that it

manages.

Traffic

Accountant

FAS

Router

Router Router

LFAP messages

Report Requests and Queries

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Cabletron Systems SSIM-R8-02 Spécifications Page 370