Arista Networks, Inc.
System status log

Abstract:

An apparatus for recording data received in serial form is provided. The apparatus includes a data logging port, an external access port, a first memory, and a command memory and a state machine executing on a processor internal to the apparatus, that writes the data, received in serial form through the data logging port, to the first memory while locking out access to the first memory via the bus interface and the command memory. The bus interface and the command memory are configured to read the first memory, when not locked out, in accordance with a command placed in the command memory through the bus interface. A method performed by the apparatus is also provided.