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Cisco C3KX-SM-10G= User Manual

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© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. 
Page 1 of 14 
White Paper 
Cisco Catalyst 3K-X Service Module: Enabling 
Flexible NetFlow in the Access 
Introduction 
User mobility, virtualization, and a rapidly increasing number of applications make enterprise networks today more 
complex and difficult to manage. Cisco
®
 Flexible NetFlow provides complete visibility in the network, allowing 
administrators to promptly react to security attacks and to effectively perform performance monitoring and network 
troubleshooting tasks. 
This white paper illustrates how Flexible NetFlow analysis can be extended to the access layer with the new uplink 
service module available for Cisco Catalyst
®
 3560-X and 3750-X Series Switches. 
Technology Overview 
The new 10GE service module introduces line-rate Cisco TrustSec
®
 MACsec and Flexible NetFlow in the Cisco 
Catalyst 3560-X and 3750-X Series Switches. 
Cisco Trustsec MACsec implements hop-by-hop data link encryption, making sure of complete data confidentiality 
between two switches. How MACsec operates in the Cisco Catalyst 3560-X and 3750-X is illustrated in a separate 
white paper. 
Cisco Flexible NetFlow is a standard method, defined in RFC 3954, for computing user-configurable statistics on 
traffic flowing through a particular network boundary. The new service module is capable of real-time Flexible 
NetFlow analysis on traffic traversing its physical and logical interfaces. 
Cisco Catalyst 3750-X Series Switches can stack with previous 3750-E, 3750-G, and 3750-V2 Series. Deploying 
the service module in the stack enables Cisco Flexible NetFlow functionality across all switches in the stack, thus 
realizing a true investment protection. 
Product Information 
This section provides information on how to order the service module and its software and hardware compatibility. 
Table 1 lists the product IDs that can be used for ordering the 10GE service module for Cisco Catalyst 3560-X and 
3750-X Series Switches. 
Table 1. 
Product IDs and Descriptions 
Product ID 
Description 
C3KX-SM-10G 
Two 10GbE SFP+ ports service module for Cisco Catalyst 3560-X and 3750-X 
C3KX-SM-10G= 
Two 10GbE SFP+ ports service module for Cisco Catalyst 3560-X and 3750-X (spare)