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Configuration Guide 714
Configuring SNMP & RMON Notification Configurations
Step 2 snmp-server traps { bandwidth-control | cpu | flash | lldp remtableschange | lldp
topologychange | loopback-detection | storm-control | spanning-tree | memory }
Configure parameters of extended traps supported on the switch.
bandwidth-control:
The trap is used to monitor whether the bandwidth has reached the
limit that you have set. The trap is disabled by default. The trap can be triggered when the
feature is enabled and packets are sent to the port with a rate higher than what you have
set.
cpu:
The trap is used to monitor the load status of the switch CPU. And the trap is disabled
by default. The trap can be triggered when the utilization rate of the CPU has exceeded the
limit that you have set. The limit of CPU utilization rate for the switch is 80% by default.
flash:
The trap is used to monitor whether the flash is modified. And the trap is disabled
by default. The trap can be triggered when the flash is modified by saving configurations,
factory resetting, upgrading and importing configurations.
lldp remtableschange: A lldp RemTablesChange notification is sent when the value of lldp
StatsRemTableLastChangeTime changes. It can be utilized by an NMS to trigger LLDP
remote systems table maintenance polls.
lldp topologychange: A notification generated by the local device to sense the change in
the topology that indicates a new remote device attached to a local port, or a remote device
disconnected or moved from one port to another.
loopback-detection:
The feature is used to detect loopbacks. And the trap is disabled by
default. The system will generate the trap when a loopback is detected or cleared.
storm-control: The feature is used to monitor network storms. And the trap is disabled by
default. The system will generate the trap when the rate of broadcast or multicast reaches
the limit of storm control.
spanning-tree:
The feature is used to monitor the spanning tree status. And the trap is
disabled by default. The system will generate the trap in the following situations: a port
changes from non-forwarding state to forwarding state or the other way round; a port
receives a packet with TC flag or a TCN packet.
memory: The feature is used to monitor the memory. And the trap is disabled by default.
The system will generate the trap when the memory utilization exceeds 80%.
Step 3 end
Return to privileged EXEC mode.
Step 4 copy running-config startup-config
Save the settings in the configuration file.
The following example shows how to configure the switch to enable bandwidth-control
traps:
Switch#configure
Switch(config)#snmp-server traps bandwidth-control
Switch(config)#end
Switch#copy running-config startup-config
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