- Note that the bridge uses a random MAC and can be overridden.

- Provide an example of assigning an IP to the bridge.

PR:		kern/102607
Submitted by:	Stefan Bethke <stb@lassitu.de>
MFC after:	3 days

1 files changed, 18 insertions, 0 deletions

diff --git a/share/man/man4/if_bridge.4 b/share/man/man4/if_bridge.4
index ca3afcb..ea43589 100644
--- a/share/man/man4/if_bridge.4
+++ b/share/man/man4/if_bridge.4
@@ -78,6 +78,13 @@ command or using the
 variable in
 .Xr rc.conf 5 .
 .Pp
+The
+.Nm
+interface randomly chooses a link (MAC) address in the range reserved for
+locally adminstered addresses when it is created.
+The address can be changed by assigning the desired link address using
+.Xr ifconfig 8 .
+.Pp
 A bridge can be used to provide several services, such as a simple
 802.11-to-Ethernet bridge for wireless hosts, and traffic isolation.
 .Pp
@@ -232,6 +239,17 @@ ifconfig bridge0 \e
     up
 .Ed
 .Pp
+The bridge can be used as a regular host interface at the same time as bridging
+between it's member ports.
+In this example, the bridge  connects em0 and em1, and will receive it's IP
+address through DHCP:
+.Bd -literal -offset indent
+cloned_interfaces="bridge0"
+ifconfig_bridge0="addm em0 addm em1 DHCP"
+ifconfig_em0="up"
+ifconfig_em1="up"
+.Ed
+.Pp
 The bridge can tunnel Ethernet across an IP internet using the EtherIP
 protocol.
 This can be combined with