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FAQ-How to Disable an NE40E V600R008 from Sending ICMP Packets with Both the Source and Destination IP addresses as its Own IP address?

Publication Date:  2019-04-11 Views:  17 Downloads:  0
Issue Description

If the link heartbeat function is enabled on an NE40E, the ICMP packets with both the source and destination IP addresses as its own interface IP address are sent by default. How do I disable this function?


Such packets have the following functions:

During network device operation, if a packet is changed or packet loss occurs, the device must quickly determine the fault scope and take the associated measures in time to restore services.

The NE40E and NE80E provide the link heartbeat function to support loopback detection. Faults can be detected through heartbeat packets exchanged between devices. During configuration of fault association, the device automatically attempts to restore services. This improves network reliability and maintainability.

The link heartbeat loopback detection function includes two types of fault detection: packet modification detection and packet loss detection. In packet modification detection, the device checks whether the content of the received heartbeat packets is the same as that of the sent heartbeat packets. In packet loss detection, the device checks whether the difference between the number of received heartbeat packets and the number of sent heartbeat packets is within the scope. If the link heartbeat loopback detection is enabled, packet modification detection is enabled by default. You can configure to determine whether to implement fault association and whether to enable packet loss detection.

Solution

Run the following commands to disable the function:

<huawei>system-view

<huawei>slot 1

<huawei>link

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