You have heard of all the benefits gained by using Scrutinizer v7 as your NetFlow analysis tool. You decide that you are going to make the move to enable Netflow on your Cisco 4500 Series Switch. Do you need a NetFlow Services Card to do so?

The Cisco NetFlow Services Card (WS-F4531) is an optional daughter card for the Catalyst 4500 switch with Supervisor Engine IV or Supervisor Engine V. It extends the functions of the Supervisor Engine by collecting NetFlow statistics and enhanced virtual LAN (VLAN) statistics without affecting the forwarding performance rates of the supervisor engine.

WS-F4531 NetFlow Services Card

To use the NetFlow feature on the Cisco 4500 Series, you must have the Supervisor Engine V-10GE, which has the functionality embedded in the supervisor engine, or the NetFlow Services Card (WS-F4531), and either a Supervisor Engine IV or a Supervisor Engine V, running Cisco IOS Version 12.1(13)EW or greater.

The WS-F4531, NetFlow Services Card is available at a number of online computer parts retailers, and cost between $1000 and $2000. Just Google “WS-F4531” and pick from a supplier that has a price that meets your budget.

Congratulations! By using Scrutinizer v7 and NetFlow, you have made your network analysis task easier.

Let the flows begin!

Scott Robertson author pic


Scott provides Pre Sales Technical Support to the Sales team at Plixer. Scott comes from a technical support background, having years of experience doing everything from customer account management to system programming. Some of his interests include coaching youth sports programs here in Sanford, playing drums and guitar in local jam bands, and playing in neighborhood lawn dart tournaments.


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