Hi, In short: Are keepalive packets being blocked by default on an ASA firewall? Or are special settings required when NAT is being used in conjunction? In long:Background:(server)----[outside](Natting firewall; ASA5555-X; managed by FMC)[inside]----...

Hi, We're using Cisco C9200L's in some of our OT environment to which some very old Siemens hardware is connected. For some reason Siemens decided in the past to use a single MAC address, specifically for LLDP, for all their devices (note: this LLDP ...