LLDP discovers wrong links on Juniper MX boxes

LLDP discovery inserts wrong links into the 'links' table when run against Juniper MX (running JunOS 11.4R5).

LLDP discovery cannot find the right port_id and as a last resort uses the remote MAC-Adress which actually discovers the wrong link on the remote side.

Solution:

Juniper returns the SNMP ifIndex of the remote port as lldpRemPortId. We can use this to find the correct port. Patch is attached.

And as a personal opinion: Perhaps the fallback to the mac-address should be removed. I would rather have no link discovered instead of the wrong one.