When other SNMP parameters are correctly configured, how to configure the Trap source address of a device to ensure that the NMS can receive device alarms normally?
A.
Set the trap source address to 127.0.0.1.
B.
Set the trap source address to the loopback address.
C.
Set the trap source address to the address used by the NMS to add the device.
The trap source address is the IP address used by the device to send SNMP traps to the NMS (Network Management System).
Configuration Options :
Option A : Setting the trap source address to 127.0.0.1 (localhost) is incorrect because it is not routable and cannot be used for communication with the NMS.
Option B : Using the loopback address is possible but not recommended unless the NMS is explicitly configured to accept traps from the loopback address.
Option C : Setting the trap source address to the same address used by the NMS to add the device ensures proper communication and alignment between the device and NMS.
Option D : Incorrect because not all options are valid.
Why C?
Configuring the trap source address to match the address used by the NMS ensures that the NMS can correctly identify and process traps from the device.
Thus, the correct answer is C .
References:
HCIA Huawei ACCESS Official Documentation , Chapter: SNMP Configuration.
RFC 3411: SNMP Framework .
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