Cisco Small Business 200 Series

Port Management
Flow Control and Storm Control
Cisco Small Business 200E Series Advanced Smart Switch Command Reference 192
3
Usage Guidelines
802.3x flow control works by pausing a port when the port becomes
oversubscribed and dropping all traffic for small bursts of time during the
congestion condition. This can cause high-priority and/or network control traffic
loss.
Related Commands
storm-control multicast
This command enables multicast storm recovery mode for an interface or for all
interfaces. If the multicast storm recovery is active and the rate of Layer 2
broadcast traffic ingressing on an interface increases beyond the configured
threshold, the traffic is dropped.
Use the no form of the command to disable it. In Global Config mode, the same
percentage is set on all ports.
storm-control multicast
no storm-control multicast
Default
Multicast storm recovery mode is disabled on all interfaces.
Command Modes
Interface Config
Global Config
Related Commands
Command Description
show storm-
control
Shows storm control configuration on a port or on all ports.
Command Description
storm-control
multicast rate
Configures the multicast storm recovery threshold for an
interface or all interfaces.