S5700 fails to find LLDP neighbor.

Switch connects to each other , but when check the lldp neighbor, it shows nothing .

 ===============display lldp neighbor===============

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GigabitEthernet0/0/1 has 0 neighbor(s)

GigabitEthernet0/0/2 has 0 neighbor(s)

GigabitEthernet0/0/3 has 0 neighbor(s)

GigabitEthernet0/0/4 has 0 neighbor(s)

GigabitEthernet0/0/5 has 0 neighbor(s)

LLDP belongs to BPDU packets, while in the interface, customer disable bpdu, after enable it, the problem sovled .

interface GigabitEthernet0/0/1
 description ***AP***
 port link-type trunk
 port trunk pvid vlan 10
 port trunk allow-pass vlan 2 to 4094
 stp edged-port enable
 undo ntdp enable
 undo ndp enable
 bpdu disable