'\" t
-.TH "SYSTEMD\&.NETWORK" "5" "" "systemd 220" "systemd.network"
+.TH "SYSTEMD\&.NETWORK" "5" "" "systemd 221" "systemd.network"
.\" -----------------------------------------------------------------
.\" * Define some portability stuff
.\" -----------------------------------------------------------------
Configures IP forwarding for the network interface\&. If enabled incoming packets on the network interface will be forwarded to other interfaces according to the routing table\&. Takes either a boolean argument, or the values
"ipv4"
or
-"ipv6", which only enables IP forwarding for the specified address family\&. This controls the
+"ipv6", which only enables IP forwarding for the specified address family, or
+"kernel", which preserves existing sysctl settings\&. This controls the
net\&.ipv4\&.conf\&.<interface>\&.forwarding
and
net\&.ipv6\&.conf\&.<interface>\&.forwarding
for details about sysctl options)\&. Defaults to
"no"\&.
.sp
-Note: unless this option is turned on, no IP forwarding is done on this interface, even if this is globally turned on in the kernel, with the
+Note: unless this option is turned on, or set to
+"kernel", no IP forwarding is done on this interface, even if this is globally turned on in the kernel, with the
net\&.ipv4\&.ip_forward
and
net\&.ipv4\&.ip_forward