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# Configure a port to monitor network traffic

Port monitoring enables you to send a copy of every Ethernet frame coming in and going out of a downlink (server-facing) port to another port. To evaluate network traffic between ports, you can connect debugging equipment, such as a network analyzer. This capability is important in a server environment where there is limited physical access to the network interfaces on the servers.

| NOTE: You cannot use Virtual Connect to forward captured traffic to a server. For more information, see the HP Virtual Connect for c-Class BladeSystem User Guide in the Hewlett Packard Enterprise Information Library.

You can configure one network analyzer port (the uplink port) for up to 16 downlink server ports within a logical interconnect.

Prerequisites

- Required privileges: Network administrator

Configuring a port to monitor network traffic

1. From the main menu, select Logical Interconnects, and then select a logical interconnect.

2. Do one of the following:

   - Select Actions→Configure port monitoring.

   - Click Configure port monitoring in the Port Monitoring view.

3. Select Enabled.

4. Select the Network analyzer port for the uplink monitor port.

5. Click Add port. See Downlink port for port monitoring details for more information.

6. Select a server port to monitor, and then click Add, or click Add + to select additional ports.

7. Select the direction of network traffic to monitor for each port to monitor.

8. Click OK.

9. To verify port monitoring has been enabled, locate the changes in the Port Monitoring view.

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