Cisco Nexus 3548 series - Chapter 13: Configuring SPAN; Information About SPAN; Guidelines and Limitations for SPAN

CHAPTER 13
Configuring SPAN
This chapter contains the following sections:
• Information About SPAN, on page 133
• Guidelines and Limitations for SPAN, on page 133
• SPAN Sources, on page 134
• Characteristics of Source Ports, on page 134
• SPAN Destinations, on page 134
• Characteristics of Destination Ports, on page 135
• SPAN and ERSPAN Filtering, on page 135
• SPAN and ERSPAN Sampling, on page 136
• SPAN and ERSPAN Truncation, on page 137
• Creating or Deleting a SPAN Session, on page 137
• Configuring an Ethernet Destination Port, on page 138
• Configuring Source Ports, on page 139
• Configuring Source Port Channels or VLANs, on page 140
• Configuring the Description of a SPAN Session, on page 140
• Activating a SPAN Session, on page 141
• Suspending a SPAN Session, on page 141
• Configuring a SPAN Filter, on page 142
• Configuring SPAN Sampling, on page 143
• Configuring SPAN Truncation, on page 144
• Displaying SPAN Information, on page 145
Information About SPAN
The Switched Port Analyzer (SPAN) feature (sometimes called port mirroring or port monitoring) selects
network traffic for analysis by a network analyzer. The network analyzer can be a Cisco SwitchProbe or other
Remote Monitoring (RMON) probes.
Guidelines and Limitations for SPAN
SPAN have the following guideline and limitation:
Cisco Nexus 3548 Switch NX-OS System Management Configuration Guide, Release 7.x
133