NAME¶
ng_hub
—
packet distribution netgraph node type
SYNOPSIS¶
#include
<netgraph/ng_hub.h>
DESCRIPTION¶
The
hub
node type provides a simple mechanism
for distributing packets over several links. Packets received on any of the
hooks are forwarded out the other hooks. Packets are not altered in any way.
HOOKS¶
A
hub
node accepts any request to connect,
regardless of the hook name, as long as the name is unique.
CONTROL MESSAGES¶
This node type supports the generic control messages, plus the following:
NGM_HUB_SET_PERSISTENT
(setpersistent
)
- This command sets the persistent flag on the node, and takes no
arguments.
SHUTDOWN¶
This node shuts down upon receipt of a
NGM_SHUTDOWN
control message, or when all
hooks have been disconnected. Setting the persistent flag via a
NGM_HUB_SET_PERSISTENT
control message
disables automatic node shutdown when the last hook gets disconnected.
SEE ALSO¶
netgraph(4),
ng_bridge(4),
ng_ether(4),
ng_one2many(4),
ngctl(8),
nghook(8)
HISTORY¶
The
ng_hub
node type appeared in
FreeBSD 5.3.
AUTHORS¶
Ruslan Ermilov
⟨ru@FreeBSD.org⟩