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| NG_ECHO(4) | FreeBSD 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
HISTORY
The ng_echo node type was implemented in
FreeBSD 4.0.
AUTHORS
Julian Elischer <julian@FreeBSD.org>
| January 19, 1999 | FreeBSD 14.3-RELEASE |
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