Setting Broadcast Storm Thresholds
9-17
9
CLI – The following example displays the LACP configuration settings and
operational state for the remote side of port channel 1.
Setting Broadcast Storm Thresholds
Broadcast storms may occur when a device on your network is malfunctioning, or if
application programs are not well designed or properly configured. If there is too
much broadcast traffic on your network, performance can be severely degraded or
everything can come to complete halt.
You can protect your network from broadcast storms by setting a threshold for
broadcast traffic for each port. Any broadcast packets exceeding the specified
threshold will then be dropped.
Command Usage
• Broadcast control does not effect IP multicast traffic.
• The resolution is 1 packet per second (pps); i.e., any setting between 500-262143
is acceptable.
Note:
Multicast and unicast storm thresholds can also be set using the CLI (see the
“switchport packet-rate” command on page 24-7).
Command Attributes
• Port
12
– Port number.
• Trunk
13
– Trunk number
•
Type
– Indicates port type. (100BASE-TX
14
, 100BASE-BX
15
, 1000BASE-T, or SFP)
• Protect Status – Shows whether or not broadcast storm control has been enabled.
(Default: Enabled)
Console#show lacp 1 neighbors 25-7
Port channel 1 neighbors
-------------------------------------------------------------------------
Eth 1/2
-------------------------------------------------------------------------
Partner Admin System ID: 32768, 00-00-00-00-00-00
Partner Oper System ID: 32768, 00-01-F4-78-AE-C0
Partner Admin Port Number: 2
Partner Oper Port Number: 2
Port Admin Priority: 32768
Port Oper Priority: 32768
Admin Key: 0
Oper Key: 3
Admin State: defaulted, distributing, collecting,
synchronization, long timeout,
Oper State: distributing, collecting, synchronization,
aggregation, long timeout, LACP-activity
.
.
.
12. Port Broadcast Control
13. Trunk Broadcast Control
14. ES3528
15. ES3528-WDM
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