Edge-Core ECS4660-28F Management Manual page 1244

| Congestion Control Commands
C 34
HAPTER
Automatic Traffic Control Commands
Table 146: ATC Commands (Continued)
Command Function
snmp-server enable Sends a trap when multicast traffic falls beneath
port-traps atc the lower threshold after a storm control
multicast-alarm-clear response has been triggered
snmp-server enable Sends a trap when multicast traffic exceeds the
port-traps atc upper threshold for automatic storm control
multicast-alarm-fire
snmp-server enable Sends a trap when multicast traffic exceeds the
port-traps atc upper threshold for automatic storm control and
multicast-control- the apply timer expires
apply
snmp-server enable Sends a trap when multicast traffic falls beneath
port-traps atc the lower threshold after a storm control
multicast-control- response has been triggered and the release
release timer expires
ATC Display Commands
show auto-traffic- Shows global configuration settings for
control automatic storm control
show auto-traffic- Shows interface configuration settings and
control interface storm control status for the specified port
* Enabling automatic storm control on a port will disable hardware-level storm control
on the same port if configured by the
U G
SAGE UIDELINES
ATC includes storm control for broadcast or multicast traffic. The control
response for either of these traffic types is the same, as shown in the
following diagrams.
Figure 548: Storm Control by Limiting the Traffic Rate
Storm Alarm Storm Alarm
Traffic Traffic
Fire TRAP Fire TRAP
[kpps] [kpps]
StromAlarm StromAlarm
Alarm Fire Alarm Fire
ClearTRAP ClearTRAP
Threshold Threshold
（1～255kpps ） （1～255kpps ）
AlarmClear AlarmClear
Threshold Threshold
（1～255kpps ） （1～255kpps ）
The key elements of this diagram are described below:
Alarm Fire Threshold – The highest acceptable traffic rate. When
◆
ingress traffic exceeds the threshold, ATC sends a Storm Alarm Fire
Trap and logs it.
– 1244 –
switchport packet-rate
TrafficControl TrafficControl
Apply Trap Apply Trap
Storm Alarm Storm Alarm
Fire TRAP Fire TRAP
Apply Timer Apply Timer
expired expired
Auto Storm Control Auto Storm Control
(0～300sec) (0～300sec)
Mode
IC (Port)
IC (Port)
IC (Port)
IC (Port)
PE
PE
command.
Traffic without storm control Traffic without storm control
Traffic with storm control Traffic with storm control
StromAlarm StromAlarm
ClearTRAP ClearTRAP
TrafficControl TrafficControl
Release Trap Release Trap
Release Timer Release Timer
expired expired
(0～300sec) (0～300sec)
Time Time