diff --git a/usr.sbin/bsdinstall/scripts/netconfig b/usr.sbin/bsdinstall/scripts/netconfig
--- a/usr.sbin/bsdinstall/scripts/netconfig
+++ b/usr.sbin/bsdinstall/scripts/netconfig
@@ -73,8 +73,21 @@
 fi
 
 exec 5>&1
-INTERFACE=`echo $BSDDIALOG_ITEMS | xargs -o bsddialog --backtitle "$OSNAME Installer" --title 'Network Configuration' --menu 'Please select a network interface to configure:' 0 0 0 2>&1 1>&5`
-if [ $? -eq $BSDDIALOG_CANCEL ]; then exit 1; fi
+INTERFACE=$(echo $BSDDIALOG_ITEMS | xargs -o bsddialog \
+    --backtitle "$OSNAME Installer" --title 'Network Configuration' \
+    --ok-label 'Auto' --extra-button --extra-label 'Manual' \
+    --menu 'Please select a network interface to configure:' 0 0 0 2>&1 1>&5)
+# xargs collapses exit codes to 0/1 (ignoring signals and 255), so exploit
+# bsddialog output being empty when cancelling to distinguish Manual (Extra)
+# from Cancel.
+if [ $? -eq $BSDDIALOG_OK ]; then
+	AUTO=auto
+else
+	if [ -z "$INTERFACE" ]; then
+		exit 1
+	fi
+	AUTO=
+fi
 exec 5>&-
 
 : > $BSDINSTALL_TMPETC/._rc.conf.net
@@ -103,30 +116,46 @@
 0)	IPV4_AVAIL=1 ;;
 esac
 
-if [ ${IPV4_AVAIL} -eq 1 ]; then
+AUTO_FAIL=
+if [ ${IPV4_AVAIL} -eq 1 -a -z "$AUTO" ]; then
 	bsddialog --backtitle "$OSNAME Installer" --title 'Network Configuration' \
 	    --yesno 'Would you like to configure IPv4 for this interface?' 0 0
-	if [ $? -eq $BSDDIALOG_OK ]; then
-		bsdinstall netconfig_ipv4 ${INTERFACE} "${IFCONFIG_PREFIX}" || \
-		exec $0
-	else
+	if [ $? -ne $BSDDIALOG_OK ]; then
 		IPV4_AVAIL=0
 	fi
 fi
+if [ ${IPV4_AVAIL} -eq 1 ]; then
+	bsdinstall netconfig_ipv4 ${INTERFACE} "${IFCONFIG_PREFIX}" $AUTO
+	if [ $? -ne $BSDDIALOG_OK ]; then
+		if [ -z "$AUTO" ]; then
+			exec $0
+		fi
+		IPV4_AVAIL=0
+		AUTO_FAIL="$AUTO_FAIL${AUTO_FAIL:+, }IPv4"
+	fi
+fi
 # In case wlanconfig left an option and we do not support IPv4 we need to write
 # it out on its own.  We cannot write it out with IPv6 as that suffix.
 if [ ${IPV4_AVAIL} -eq 0 -a -n ${IFCONFIG_PREFIX} ]; then
 	sysrc -f $BSDINSTALL_TMPETC/._rc.conf.net ifconfig_$INTERFACE="${IFCONFIG_PREFIX}"
 fi
-if [ ${IPV6_AVAIL} -eq 1 ]; then
+if [ ${IPV6_AVAIL} -eq 1 -a -z "$AUTO" ]; then
 	bsddialog --backtitle "$OSNAME Installer" --title 'Network Configuration' \
 	    --yesno 'Would you like to configure IPv6 for this interface?' 0 0
-	if [ $? -eq $BSDDIALOG_OK ]; then
-		bsdinstall netconfig_ipv6 ${INTERFACE} || exec $0
-	else
+	if [ $? -ne $BSDDIALOG_OK ]; then
 		IPV6_AVAIL=0
 	fi
 fi
+if [ ${IPV6_AVAIL} -eq 1 ]; then
+	bsdinstall netconfig_ipv6 ${INTERFACE} $AUTO
+	if [ $? -ne $BSDDIALOG_OK ]; then
+		if [ -z "$AUTO" ]; then
+			exec $0
+		fi
+		IPV6_AVAIL=0
+		AUTO_FAIL="$AUTO_FAIL${AUTO_FAIL:+, }IPv6"
+	fi
+fi
 
 SEARCH=""
 IP4_1=""
@@ -180,16 +209,28 @@
 	    'IPv4 DNS #1' 2 1 \"${IP4_1}\" 2 16 16 16 0
 	    'IPv4 DNS #2' 3 1 \"${IP4_2}\" 3 16 16 16 0"
 else
+	if [ -n "$AUTO_FAIL" ]; then
+		bsddialog --backtitle "$OSNAME Installer" \
+		    --msgbox "Failed to automatically configure interface (tried $AUTO_FAIL)." 0 0
+		exec $0
+	fi
 	exit 0
 fi
 
-exec 5>&1
-RESOLV=$(echo "${RESOLV}" | xargs -o bsddialog --backtitle "$OSNAME Installer" \
-	--title 'Network Configuration' \
-	--mixedform 'Resolver Configuration' 0 0 0 \
-2>&1 1>&5)
-if [ $? -eq $BSDDIALOG_CANCEL ]; then exec $0; fi
-exec 5>&-
+# Auto only guaranteed to have IPv4 and/or IPv6 address; may not have
+# nameserver available
+if [ -n "$AUTO" ] && [ -n "${IP4_1}" -o -n "${IP6_1}" ]; then
+	# Convert from bsddialog arguments to default output
+	RESOLV=$(echo "${RESOLV}" | xargs -n9 sh -c 'echo "$4"' '')
+else
+	exec 5>&1
+	RESOLV=$(echo "${RESOLV}" | xargs -o bsddialog --backtitle "$OSNAME Installer" \
+		--title 'Network Configuration' \
+		--mixedform 'Resolver Configuration' 0 0 0 \
+	2>&1 1>&5)
+	if [ $? -eq $BSDDIALOG_CANCEL ]; then exec $0; fi
+	exec 5>&-
+fi
 
 echo ${RESOLV} | tr ' ' '\n' | \
 awk '
diff --git a/usr.sbin/bsdinstall/scripts/netconfig_ipv4 b/usr.sbin/bsdinstall/scripts/netconfig_ipv4
--- a/usr.sbin/bsdinstall/scripts/netconfig_ipv4
+++ b/usr.sbin/bsdinstall/scripts/netconfig_ipv4
@@ -40,6 +40,7 @@
 
 INTERFACE=$1
 IFCONFIG_PREFIX="$2"
+AUTO="${3:-}"
 test -z "$IFCONFIG_PREFIX" || IFCONFIG_PREFIX="$2 "
 case "${INTERFACE}" in
 "")	bsddialog --backtitle "$OSNAME Installer" --title 'Network Configuration' \
@@ -47,9 +48,27 @@
 	exit 1
 	;;
 esac
+case "$AUTO" in
+""|auto)
+	;;
+*)
+	bsddialog --backtitle "$OSNAME Installer" --title 'Network Configuration' \
+	    --msgbox "Bad auto option '$AUTO'." 0 0
+	exit 1
+	;;
+esac
 
-bsddialog --backtitle "$OSNAME Installer" --title 'Network Configuration' --yesno 'Would you like to use DHCP to configure this interface?' 0 0
-if [ $? -eq $BSDDIALOG_OK ]; then
+if [ -n "$AUTO" ]; then
+	DHCP=1
+else
+	bsddialog --backtitle "$OSNAME Installer" --title 'Network Configuration' --yesno 'Would you like to use DHCP to configure this interface?' 0 0
+	if [ $? -eq $BSDDIALOG_OK ]; then
+		DHCP=1
+	else
+		DHCP=0
+	fi
+fi
+if [ $DHCP -eq 1 ]; then
 	if [ ! -z $BSDINSTALL_CONFIGCURRENT ]; then
 		# XXX: get interface down otherwise after installation restart
 		# dhclient does not build a new resolv.conf (see PR262262).
@@ -59,6 +78,9 @@
 		err=$( pkill -F /var/run/dhclient/dhclient.${INTERFACE}.pid; dhclient $INTERFACE 2>&1 )
 		if [ $? -ne 0 ]; then
 			f_dprintf "%s" "$err"
+			if [ -n "$AUTO" ]; then
+				exit 1
+			fi
 			bsddialog --backtitle "$OSNAME Installer" --msgbox "DHCP lease acquisition failed." 0 0
 			exec $0 ${INTERFACE} "${IFCONFIG_PREFIX}"
 		fi
diff --git a/usr.sbin/bsdinstall/scripts/netconfig_ipv6 b/usr.sbin/bsdinstall/scripts/netconfig_ipv6
--- a/usr.sbin/bsdinstall/scripts/netconfig_ipv6
+++ b/usr.sbin/bsdinstall/scripts/netconfig_ipv6
@@ -48,19 +48,38 @@
 #
 
 INTERFACE=$1
+AUTO="${2:-}"
 case "${INTERFACE}" in
 "")	bsddialog --backtitle "$OSNAME Installer" --title 'Network Configuration' \
 	    --msgbox 'No interface specified for IPv6 configuration.' 0 0
 	exit 1
 	;;
 esac
+case "$AUTO" in
+""|auto)
+	;;
+*)
+	bsddialog --backtitle "$OSNAME Installer" --title 'Network Configuration' \
+	    --msgbox "Bad auto option '$AUTO'." 0 0
+	exit 1
+	;;
+esac
 
 AGAIN=""
 while : ; do
-	MSG="Would you like to try stateless address autoconfiguration (SLAAC)${AGAIN}?"
-	bsddialog --backtitle "$OSNAME Installer" --title 'Network Configuration' \
-	    --yesno "${MSG}" 0 0
-	if [ $? -eq $BSDDIALOG_OK ]; then
+	if [ -n "$AUTO" ]; then
+		SLAAC=1
+	else
+		MSG="Would you like to try stateless address autoconfiguration (SLAAC)${AGAIN}?"
+		bsddialog --backtitle "$OSNAME Installer" --title 'Network Configuration' \
+		    --yesno "${MSG}" 0 0
+		if [ $? -eq $BSDDIALOG_OK ]; then
+			SLAAC=1
+		else
+			SLAAC=0
+		fi
+	fi
+	if [ $SLAAC -eq 1 ]; then
 		if [ ! -z $BSDINSTALL_CONFIGCURRENT ]; then
 			bsddialog --backtitle "$OSNAME Installer" \
 			    --infobox "Sending Router Solicitation ..." 0 0
@@ -68,6 +87,9 @@
 			err=$( rtsol -F $INTERFACE 2>&1 )
 			if [ $? -ne 0 ]; then
 				f_dprintf "%s" "$err"
+				if [ -n "$AUTO" ]; then
+					exit 1
+				fi
 				bsddialog --backtitle "$OSNAME Installer" --msgbox "SLAAC failed." 0 0
 				AGAIN=" again"
 				continue