https://www.juniper.net/documentation/en_US/junos/topics/concept/layer-2-services-lldp-overview.html
set protocols lldp interface all
jlk@ex4600-1> show lldp ?
Possible completions:
<[Enter]> Execute this command
detail Show detailed LLDP information
local-information Show LLDP information of local device
neighbors Show LLDP neighbor information
remote-global-statistics Show LLDP remote global statistics information
statistics Show LLDP statistics
| Pipe through a command
{master:0}
jlk@ex4600-1> show lldp neighbors
Local Interface Parent Interface Chassis Id Port info System Name
ge-0/0/20 ae2 00:1f:12:3c:4f:40 ge-8/0/19.0 SE_ToR_Switches
ge-0/0/22 ae3 00:1f:12:3c:4f:40 ge-8/0/20.0 SE_ToR_Switches
ge-0/0/5 ae0 5c:45:27:12:cb:00 ge-0/0/5 EX4600-2
ge-0/0/6 ae1 5c:45:27:12:cb:00 ge-0/0/6 EX4600-2
ge-0/0/4 ae0 5c:45:27:12:cb:00 ge-0/0/4 EX4600-2
ge-0/0/7 ae1 5c:45:27:12:cb:00 ge-0/0/7 EX4600-2