— netgraph echo node
node type reflects all data and control messages back
to the sender. This node type is used for testing and debugging.
node accepts any request to connect, regardless of the
hook name, as long as the name is unique.
This node type supports only the generic control messages. Any other control
messages are reflected back to the sender.
This node shuts down upon receipt of a
control message, or when all hooks have been disconnected.
node type was implemented in