> # Monitoring Traffic Using Fibre Channel Analyzers

> You can use SPAN to monitor traffic on an interface without any traffic disruption. This feature is especially useful in troubleshooting scenarios in which traffic disruption changes the problem environment and makes it difficult to reproduce the problem. You can monitor traffic in either of the following two ways:

> - Without SPAN
> - With SPAN

> Copyright 2010-2013, Cisco Systems, Inc. All rights reserved.