Switch connects to each other , but when check the lldp neighbor, it shows nothing .<?xml:namespace prefix = "o" />
===============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)