Cisco Nexus 1000V User Manual

CHAPTER
21-1
Cisco Nexus 1000V Troubleshooting Guide, Release 5.2(1)SV3(1.1)
OL-31593-01
21
Storm Control
This chapter describes how to identify and resolve the problems related to Storm control.
This chapter includes the following sections:
• Information About Storm Control, page 21-1
• Troubleshooting Storm Control, page 21-1
Information About Storm Control
You can use the traffic storm control feature to prevent disruptions from a broadcast, multicast, or
unknown-unicast traffic storm.
Troubleshooting Storm Control
This section describes the different types of troubleshooting commands to debug Storm Control:
• Troubleshooting VSM Commands, page 21-1
• Troubleshooting VEM Commands, page 21-1
• Debugging Storm Control on a VEM, page 21-2
Troubleshooting VSM Commands
Displays the detailed storm control statistics on an interface:
• show storm-control statistics interface interface-type module-number/port-number
• show storm-control statistics module module-number
Troubleshooting VEM Commands
Displays all the statistics related to broadcast, multcast and unknown unicast traffic:
• vemcmd show storm stats
Displays the configured storm rate on a Virtual Ethernet Module (VEM):

Cisco Nexus 1000V Specifications

General

Type	Virtual Switch
Manageable	Yes
NetFlow	Yes
SPAN	Yes
ERSPAN	Yes
Operating System	Cisco NX-OS
Form Factor	Virtual
Hypervisor Support	VMware ESXi
Features	VXLAN
Security Features	Port Security, Private VLANs, ACLs