Cisco Nexus 5000 Series Switch Fabric Manager Software Configuration Guide, NX-OS 4.0 (OL-16598-01, June 2008)

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20-3
Nexus 5000 Series Switch Fabric Manager Software Configuration Guide
OL-16598-01
Chapter 20 Configuring SPAN
Configuring SPAN
• Receives copies of sent and received traffic for all monitored source ports. If a destination port is
oversubscribed, it can become congested. This congestion can affect traffic forwarding on one or
more of the source ports.
Configuring SPAN
You can configure a SPAN session to duplicate packets from source ports to the specified destination
ports on the switch. This section includes the following topics:
• Configuring SPAN Using Device Manager, page 20-3
• Creating SPAN Sessions Using Device Manager, page 20-3
• Editing SPAN Sources Using Device Manager, page 20-4
• Deleting SPAN Sessions Using Device Manager, page 20-5
Configuring SPAN Using Device Manager
To monitor network traffic using SD ports, perform this task:
Step 1 Configure the SD port.
Step 2 Attach the SD port to a specific SPAN session.
Step 3 Monitor network traffic by adding source interfaces to the session.
To configure an SD port for SPAN monitoring using Device Manager, perform this task:
Step 1 Right-click the port that you want to configure and click Configure.
You see the general port configuration dialog box.
Step 2 Under Mode, choose SD.
Step 3 Click Apply to accept the change.
Step 4 Close the dialog box.
Creating SPAN Sessions Using Device Manager
To create SPAN sessions using Device Manager, perform this task:
Step 1 Choose Interface > SPAN.
You see the SPAN dialog box.
Step 2 Click the Sessions tab.
Step 3 Click Create.
You see the Create SPAN Sessions dialog box as shown in Figure 20-1.