You may want to check this before upgrade
RouterOS 6.38.3’s LLDP Craches Vulnerable Cisco Routers
http://forum.mikrotik.com/t/routeros-6-38-3s-lldp-craches-vulnerable-cisco-routers/106731/1
You may want to check this before upgrade
RouterOS 6.38.3’s LLDP Craches Vulnerable Cisco Routers
http://forum.mikrotik.com/t/routeros-6-38-3s-lldp-craches-vulnerable-cisco-routers/106731/1