1 files changed, 24 insertions, 4 deletions
diff --git a/usr.sbin/bhyve/bhyve.8 b/usr.sbin/bhyve/bhyve.8
index 89c0b23961a8..27e067f50394 100644
--- a/usr.sbin/bhyve/bhyve.8
+++ b/usr.sbin/bhyve/bhyve.8
@@ -1,3 +1,6 @@
+.\"
+.\" SPDX-License-Identifier: BSD-2-Clause
+.\"
 .\" Copyright (c) 2013 Peter Grehan
 .\" All rights reserved.
 .\"
@@ -22,7 +25,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd August 21, 2024
+.Dd October 28, 2025
 .Dt BHYVE 8
 .Os
 .Sh NAME
@@ -125,7 +128,7 @@ xAPIC mode is the default setting so this option is redundant.
 It will be deprecated in a future version.
 .It Fl C
 Include guest memory in core files.
-.It Fl c Op Ar setting ...
+.It Fl c Oo Oo Cm cpus= Oc Ns Ar numcpus Oc Ns Oo Cm ,sockets= Ns Ar n Oc Ns Oo Cm ,cores= Ns Ar n Oc Ns Oo Cm ,threads= Ns Ar n Oc
 Number of guest virtual CPUs
 and/or the CPU topology.
 The default value for each of
@@ -518,6 +521,8 @@ considered unconnected.
 .Op Cm \&,mtu= Ar N
 .Xc
 .It
+.Cm ngd Ar N
+.It
 .Xo
 .Cm netgraph,path= Ar ADDRESS Cm \&,peerhook= Ar HOOK
 .Op Cm \&,socket= Ar NAME
@@ -542,6 +547,19 @@ The MAC address is an ASCII string in
 .Xr ethers 5
 format.
 .Pp
+A
+.Cm ngd
+device can be used to connect a guest to a
+.Xr netgraph 4
+through a
+.Xr ng_device 4
+node.
+This can be used to run bhyve in a
+.Xr VNET 9
+jail, and give it access to the host's netgraph, that cannot be reached
+directly, by exposing the ng_device through
+.Xr devfs 8 .
+.Pp
 With
 .Cm virtio-net
 devices, the
@@ -572,7 +590,9 @@ must comply with
 .Xr netgraph 4
 addressing rules.
 .Pp
-The slirp backend can be used to provide a NATed network to the guest.
+The
+.Cm slirp
+backend can be used to provide a NATed network to the guest.
 This backend has poor performance but does not require any network
 configuration on the host system.
 It depends on the
@@ -1126,7 +1146,7 @@ powered off
 .It 2
 halted
 .It 3
-triple fault
+triple fault (amd64 only)
 .It 4
 exited due to an error
 .El