@whereisaaron Could you also supply a tcdump of the ER7412? Just because I am interested. whereisaaron wrote @Ethan-TP thanks for the info! I fully understand that LLDP packets are not propagated,...

@Ethan-TP Please find attached the tcpdump. It is collected at the OPNsense port re1 (FreeBSD router), which is directly connected to the TP-link 2.5 Gbit Port 2.

@Ethan-TP This does not explain, why the packets are ignored by the switch...

@whereisaaron I have several devices transmitting lldp Messages and all of them are received fine. Also the structure and content is the Same Like the Message from OPNsense. I sniffed it with tcpdump...

@whereisaaron I have also a port connected to a EAP682 which is also working with 2.5Gbit. It is also working. The not working port is also connected to an OPNsense Router. Btw.. I have LLDPD running...

Hi, I am wondering if LLDP is not working on 2,5 Gbit Interfaces running on 2,5 Gbit on SG3210X-M2. The LLDP packets seem to be discarded in controller mode: two-gigabitEthernet 1/0/7: Tx-Pkt: 76...