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ET42202M-S-PD
L2+ Managed 20-port 100Base-FX/1000Base-X SFP + 4-port 10/100/1000Base-T or
100/1000Base-FX SFP Combo Optical Ethernet Switch with AC + DC inputs
2-18.12 Storm Control
The section allows user to configure the Storm control for the switch. There is a unicast
storm rate control, multicast storm rate control, and a broadcast storm rate control. These only
affect flooded frames, i.e. frames with a (VLAN ID, DMAC) pair not present on the MAC
Address table. The configuration indicates the permitted packet rate for unicast, multicast or
broadcast traffic across the switch
Web Interface
To configure the Storm Control Configuration parameters in the web interface:
1. Click Configuration, QoS, Storm Control Configuration
2. Evoke to select the frame type to enable storm control
3. Scroll to set the Rate Parameters
4. Click the save to save the setting
5. If you want to cancel the setting then you need to click the Reset button.
It will revert to previously saved values
Figure 2-18.12: The Storm Control Configuration
Parameter description:
Frame Type :
The settings in a particular row apply to the frame type listed here: Unicast, Multicast or
Broadcast.
Enable :
Enable or disable the storm control status for the given frame type.
Rate :
The rate unit is packets per second (pps). Valid values are: 1, 2, 4, 8, 16, 32, 64, 128, 256,
512, 1K, 2K, 4K, 8K, 16K, 32K, 64K, 128K, 256K, 512K or 1024K. , 1024K, 2048K, 4096K,
8192K, 16384K or 32768K. , 1024K, 2048K, 4096K, 8192K, 16384K or 32768K.
The 1 kpps is actually 1002.1 pps.
Unit :
Controls the unit of measure for the storm control rate as kbps, Mbps, fps or kfps . The
default value is "kbps".
Buttons:
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