After customer upgraded the Junos from 19.3R3 to 22.2R3, peer 3rd party device is not getting LLDP info from MX.
LLDP info is seen on MX side.
No LLDP info shown on peer 3r party device after Junos upgrade on MX to 22.2R3.
Filter all non mandatory TLVs.
e.g.
set protocols lldp tlv-filter all
Then, add TLVs of required info manually, e.g. system-name and port-description
set protocols lldp tlv-select port-vid system-name
set protocols lldp tlv-select port-vid port-description
From Junos 22.2R1, support for additional IEEE 802.1 TLVs Link aggregation TLV—IEEE 802.1 subtype 7.
IEEE - Link Aggregation
1111 111. .... .... = TLV Type: Organization Specific (127)
.... ...0 0000 1001 = TLV Length: 9
Organization Unique Code: 00:80:c2 (IEEE)
IEEE 802.1 Subtype: Link Aggregation (0x07)
Aggregation Status: 0x07
.... ...1 = Aggregation Capability: Yes
.... ..1. = Aggregation Status: Enabled
.... 01.. = Aggregation Status: From aggregation port (1)
Aggregated Port Id: 1839