Hi,
Can you please try checking the output of the command "display lldp neighbor interface g1/1/0", if the output correctly display the system name of the LLDP neighbor. Kindly refer the output below:
##########################################
<s1>display lldp neighbor interface g0/0/19
GigabitEthernet0/0/19 has 1 neighbors:
Neighbor index : 1
Chassis type :macAddress
Chassis ID :00e0-fc73-4913
Port ID type :interfaceName
Port ID :GigabitEthernet0/0/0
Port description :HUAWEI, AR Series, GigabitEthernet0/0/0 Interface
System name :r1-1
System description :Huawei AR3260 Huawei Versatile Routing Platform Software V
RP (R) software,Version 5.130 (AR3260 V200R003C00) Copyright (C) 2011-2012 Huawe
i Technologies Co., Ltd
System capabilities supported :bridge
System capabilities enabled :bridge
Management address type :all802
Management address : 00e0-fc73-4913
Expired time :101s
##########################################