diffServMacAceSourceMacAddr — Multiple manufacturers; see the original MIB MIB copies (LibreNMS/Observium Community), Edgecore official enterprise switch MIBs, Edgecore MIB copies (Observium Community)
Indicates the 48-bit source MAC address. The specified source MAC of the packet. The packet's source MAC address is AND-ed with the value of diffServMacAceSourceMacAddrBitmask and then compared against the value of this object.