Cisco Flow Monitoring Setup293

Cisco Flow Monitoring (FMo) is a powerful tool that can provide valuable insights into the performance and security of your network. By monitoring the flow of traffic through your network, you can identify bottlenecks, troubleshoot problems, and detect suspicious activity.

To set up FMo on a Cisco device, you will need to enable the feature and configure the export policies. The following steps will guide you through the process:

Enable Flow Monitoring
Enter the following command in the CLI:
```
ip flow-export destination
```
Replace with the IP address of the collector you want to send the flow data to.
Replace with the UDP port that the collector is listening on.

Configure Export Policies
Enter the following command in the CLI:
```
ip flow-export match
```
Replace with a name for the export policy.
Replace with the criteria that you want to use to match the flows that you want to export.
Replace with the action that you want to take when a flow matches the criteria.

You can specify multiple match criteria and actions in a single export policy. For more information on the available match criteria and actions, refer to the Cisco documentation.

Once you have configured the export policies, you can start collecting flow data. The flow data will be sent to the collector that you specified in the destination IP address and UDP port fields.

You can view the flow data in the collector's web interface or use a third-party tool to analyze the data.

Troubleshooting

If you are having trouble getting FMo to work, here are a few things to check:
Make sure that the collector is listening on the UDP port that you specified.
Make sure that the firewall is not blocking the flow of traffic between the Cisco device and the collector.
Check the configuration of the export policies to make sure that they are matching the flows that you want to export.

If you are still having trouble, contact Cisco support for assistance.

2024-12-12

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