ECS4660-28F_Management Guide-R03

C HAPTER 34 | Congestion Control Commands
Automatic Traffic Control Commands
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EXAMPLE
The following example blocks unknown multicast traffic on port 5:
Console(config)#interface ethernet 1/5
Console(config-if)#switchport switchport block multicast
Console(config-if)#
AUTOMATIC TRAFFIC CONTROL COMMANDS
Automatic Traffic Control (ATC) configures bounding thresholds for
broadcast and multicast storms which can be used to trigger configured
rate limits or to shut down a port.
Table 146: ATC Commands
Command Function Mode
Threshold Commands
auto-traffic-control
apply-timer
Sets the time at which to apply the control
response after ingress traffic has exceeded the
upper threshold
GC
auto-traffic-control
release-timer
Sets the time at which to release the control
response after ingress traffic has fallen beneath
the lower threshold
GC
auto-traffic-control
*
Enables automatic traffic control for broadcast
or multicast storms
IC (Port)
auto-traffic-control
action
Sets the control action to limit ingress traffic or
shut down the offending port
IC (Port)
auto-traffic-control
alarm-clear-threshold
Sets the lower threshold for ingress traffic
beneath which a cleared storm control trap is
sent
IC (Port)
auto-traffic-control
alarm-fire-threshold
Sets the upper threshold for ingress traffic
beyond which a storm control response is
triggered after the apply timer expires
IC (Port)
auto-traffic-control
auto-control-release
Automatically releases a control response IC (Port)
auto-traffic-control
control-release
Manually releases a control response IC (Port)
SNMP Trap Commands
snmp-server enable
port-traps atc
broadcast-alarm-clear
Sends a trap when broadcast traffic falls
beneath the lower threshold after a storm
control response has been triggered
IC (Port)
snmp-server enable
port-traps atc
broadcast-alarm-fire
Sends a trap when broadcast traffic exceeds the
upper threshold for automatic storm control
IC (Port)
snmp-server enable
port-traps atc
broadcast-control-
apply
Sends a trap when broadcast traffic exceeds the
upper threshold for automatic storm control and
the apply timer expires
IC (Port)
snmp-server enable
port-traps atc
broadcast-control-
release
Sends a trap when broadcast traffic falls
beneath the lower threshold after a storm
control response has been triggered and the
release timer expires
IC (Port)