📓LLDP in Linux Debian / Ubuntu

Install LLDP package

sudo apt-get install lldpd

systemctl status lldpd

lldpcli show neighbors

root@lab01xxx:~# lldpcli show neighbors 
-------------------------------------------------------------------------------
LLDP neighbors:
-------------------------------------------------------------------------------
Interface:    eno1, via: LLDP, RID: 3, Time: 0 day, 00:00:43
  Chassis:     
    ChassisID:    mac 8c:dc:d4:ed:86:00
    SysName:      J9803A
    SysDescr:     HP 1810-24G, PL.1.9, eCos-3.0, 1_12_8-customized-h
    MgmtIP:       10.10.3.205
    Capability:   Bridge, on
  Port:        
    PortID:       local 13
    PortDescr:    Port #13
    TTL:          120
-------------------------------------------------------------------------------
Interface:    ens1f0np0, via: LLDP, RID: 2, Time: 0 day, 00:00:55
  Chassis:     
    ChassisID:    mac 1c:ea:xx:xx:xx:xx
    SysName:      tenetxxxx
    SysDescr:     Linux version 4.3.0 running on Accton xxxx
    MgmtIP:       10.255.xxx.xxx
    MgmtIface:    1
    MgmtIP:       fe80::1eea:bff:fefe:c33d
    MgmtIface:    2
    Capability:   Bridge, on
    Capability:   Router, on
  Port:        
    PortID:       ifname port11
    PortDescr:    stg-sfp01
    TTL:          120
-------------------------------------------------------------------------------