NG_ECHO(4) MidnightBSD Kernel Interfaces Manual NG_ECHO(4)

NAME

ng_echo — netgraph echo node type

SYNOPSIS

#include <netgraph/ng_echo.h>

DESCRIPTION

The echo node type reflects all data and control messages back to the sender. This node type is used for testing and debugging.

HOOKS

A echo node accepts any request to connect, regardless of the hook name, as long as the name is unique.

CONTROL MESSAGES

This node type supports only the generic control messages. Any other control messages are reflected back to the sender.

SHUTDOWN

This node shuts down upon receipt of a NGM_SHUTDOWN control message, or when all hooks have been disconnected.

SEE ALSO

netgraph(4), ng_hole(4), ngctl(8)

HISTORY

The ng_echo node type was implemented in FreeBSD 4.0.

AUTHORS

Julian Elischer 〈julian@FreeBSD.org〉

MidnightBSD 0.3 January 19, 1999 MidnightBSD 0.3