Specifications

3-2

Catalyst 6500 Series Switch and Cisco 7600 Series Router Network Analysis Module Installation and Configuration Note

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Chapter 3 Getting Started

Configuring Traffic Sources for Capturing NAM Traffic

For more information about SPAN, see these URLs:

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/122sx/swcg/span.htm

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/sw_8_2/confg_gd/span.htm

For more information about VACL, see these URLs:

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/122sx/swcg/vacl.htm

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/sw_82/confg_gd/acc_list.htm#1053650

For more information about NDE, see these URLs:

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/122sx/swcg/nde.htm#1035105

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/sw_8_2/confg_gd/nde.htm

These sections describe how to configure VACLs, either local or remote NDE, and SPAN to monitor

network traffic with the NAM:

• Cisco IOS Software, page 3-2

• Catalyst Operating System Software, page 3-8

Cisco IOS Software

You can capture traffic for NAM monitoring from a single VLAN or from multiple VLANs. If you want

to monitor traffic from specific VLANs only, you need to clear the VLANs that you do not want to

monitor from the capture feature.

Using SPAN as a Traffic Source

You can configure SPAN as a traffic source using both the CLI and the NAM Traffic Analyzer

application.

The NAM can analyze Ethernet traffic from Ethernet, Fast Ethernet, Gigabit Ethernet, trunk port, or Fast

EtherChannel SPAN source ports. You can also specify an Ethernet VLAN as the SPAN source.

For more information on SPAN, refer to the Catalyst 6500 Series Switch Cisco IOS Software

Configuration Guide at this URL:

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/index.htm

You cannot use ports on the NAM module as SPAN source ports.

Table 3-1 NAM SPAN and VACL Port Configurations

NAM-1 NAM-2

One SPAN session only Two SPAN sessions

One VACL session only One SPAN session and one VACL session

Two VACL sessions