Cisco Catalyst 2950 Software Configuration Manual page 198
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Also See for Catalyst 2950:
- Configuration manual (710 pages) ,
- Command reference manual (686 pages) ,
- Software configuration manual (674 pages)
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Managing the MAC Address Table
Command
Step 3
snmp-server enable traps mac-notification
Step 4
mac-address-table notification
Step 5
mac-address-table notification [interval value] |
[history-size value]
Step 6
interface interface-id
Step 7
snmp trap mac-notification {added | removed}
Step 8
end
Step 9
show mac-address-table notification interface
show running-config
Step 10
copy running-config startup-config
To disable the switch from sending MAC address notification traps, use the no snmp-server enable
traps mac-notification global configuration command. To disable the MAC address notification traps
on a specific interface, use the no snmp trap mac-notification {added | removed} interface
configuration command. To disable the MAC address notification feature, use the no mac-address-table
notification global configuration command.
This example shows how to specify 172.20.10.10 as the NMS, enable the switch to send MAC address
notification traps to the NMS, enable the MAC address notification feature, set the interval time to 60
seconds, set the history-size to 100 entries, and enable traps whenever a MAC address is added on Fast
Ethernet interface 0/4.
Switch(config)# snmp-server host 172.20.10.10 traps private
Switch(config)# snmp-server enable traps mac-notification
Switch(config)# mac-address-table notification
Switch(config)# mac-address-table notification interval 60
Switch(config)# mac-address-table notification history-size 100
Switch(config)# interface fastethernet0/4
Switch(config-if)# snmp trap mac-notification added
You can verify the previous commands by entering the show mac-address-table notification interface
and the show mac-address-table notification privileged EXEC commands.
Catalyst 2950 Desktop Switch Software Configuration Guide
7-56
Chapter 7
Purpose
Enable the switch to send MAC address traps to the
NMS.
Enable the MAC address notification feature.
Enter the trap interval time and the history table size.
(Optional) For interval value, specify the
•
notification trap interval in seconds between
each set of traps that are generated to the NMS.
The range is 0 to 2147483647 seconds; the
default is 1 second.
•
(Optional) For history-size value, specify the
maximum number of entries in the MAC
notification history table. The range is 0 to 500;
the default is 1.
Enter interface configuration mode, and specify the
interface on which to enable the snmp MAC address
notification trap.
Enable the MAC address notification trap.
Enable the MAC notification trap whenever a
•
MAC address is added on this interface.
Enable the MAC notification trap whenever a
•
MAC address is removed from this interface.
Return to privileged EXEC mode.
Verify your entries.
(Optional) Save your entries in the configuration file.
Administering the Switch
78-11380-04
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Troubleshooting
