What should I do if an S series switches fails to discover LLDP neighbors

If a Huawei S series switch (except the S1700) fails to discover LLDP neighbors, the solutions are as follows:
1. Ensure that LLDP is enabled globally on the local switch and not disabled on related interfaces.
2. Ensure that LLDP is enabled globally on the peer switch and not disabled on related interfaces.
3. Ensure that the BPDU processing function is enabled on the related interfaces on the local and peer switches, and no other policy is used to discard LLDP BPDUs.

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