Configuring the Switch
3-150
3
Setting Unknown Unicast Storm Thresholds
You can protect your network from excess unknown unicast traffic by setting
thresholds for each port. Any multicast packets exceeding the specified threshold
will then be dropped.
Command Attributes
•
Port
- Port number.
(Range: 1-28 on iES4028F/iES4028FP, 1-24 on iES4024GP)
•
Type
– Indicates the port type. (1000BASE-T or 1000BASE-SFP)
•
Protect Status
– Enables or disables unknown unicast storm control.
(Default: Disabled)
• Threshold
– Threshold as percentage of port bandwidth. (Range: 64-100000
kilobits per second for Fast Ethernet ports; 64-1000000 kilobits per second for
Gigabit ports; Default: 64 kilobits per second)
•
Trunk
– Shows if port is a trunk member.
Web
– Click Configuration, Port, Port Unknown Unicast Control or Trunk Unknown
Unicast Control. Check the Enabled box for any interface, set the threshold, and
click Apply.
Figure 3-2 Port Unknown Unicast Control
CLI
– Specify any interface, and then enter the threshold. The following example
sets the unknown unicast threshold at 900 packets per second for port 1.
Console(config)#interface ethernet 1/1
Console(config-if)#switchport unknown-unicast packet-rate 900
Console(config-if)#
Summary of Contents for iES4028F
Page 1: ...iES4028F 4028FP 4024GP ...
Page 4: ...iv This page is intentionally left blank ...
Page 10: ...x This page is intentionally left blank ...
Page 28: ...Contents xxviii This page is intentionally left blank ...
Page 32: ...Tables xxxii This page is intentionally left blank ...
Page 46: ...Introduction 1 10 1 This page is intentionally left blank ...
Page 336: ...Configuring the Switch 3 280 3 This page is intentionally left blank ...
Page 688: ...Command Line Interface 4 352 4 This page is intentionally left blank ...
Page 702: ...Glossary Glossary 8 This page is intentionally left blank ...
Page 710: ...Index 8 Index This page is intentionally left blank ...
Page 711: ...This page is intentionally left blank ...
Page 712: ...iES4028F 4028FP 4024GP ...