diff --git a/configure b/configure
index 22d38605..3be31d6e 100755
--- a/configure
+++ b/configure
@@ -500,6 +500,7 @@ netbsd*)
 hurd*)
 	echo "CPPFLAGS+=	-D_GNU_SOURCE" >>$CONFIG_MK
 	echo "DHCPCD_SRCS+=	if-hurd.c" >>$CONFIG_MK
+	echo "LDADD+=		-lpthread" >>$CONFIG_MK
 	BPF_OS="bpf-hurd.c"
 	# No INET6 support
 	INET6=no
diff --git a/hooks/10-pfinet b/hooks/10-pfinet
index 4b6b5a64..010ca2f1 100644
--- a/hooks/10-pfinet
+++ b/hooks/10-pfinet
@@ -1,15 +1,18 @@
 # SPDX-License-Identifier: BSD-2-Clause
 # Copyright (c) 2026 Roy Marples <roy@marples.name>
 
-# Configure the Hurd PFINET translator.
+# Configure the Hurd network translator (pfinet or lwip).
 # It always on socket 2.
 
-case "$(showtrans /servers/socket/2)" in
-/hurd/pfinet" "*) pfinet=true;;
-*) pfinet=false;;
+trans=$(showtrans /servers/socket/2 2>/dev/null)
+[ -z "$trans" ] && trans=$(fsysopts /servers/socket/2 2>/dev/null)
+
+case "$trans" in
+*/pfinet" "*|*/lwip" "*) hurd_net=true;;
+*) hurd_net=false;;
 esac
 
-if $pfinet && $if_configured && [ "$ifxname" != "lo" ] ; then
+if $hurd_net && $if_configured && [ "$ifxname" != "lo" ] ; then
 	if $if_up && [ -n "$new_ip_address" ]; then
 		flags=
 		if [ -n "$new_subnet_mask" ]; then
@@ -20,7 +23,7 @@ if $pfinet && $if_configured && [ "$ifxname" != "lo" ] ; then
 		fi
 		fsysopts /servers/socket/2 -i "$ifxname" \
 			-a "$new_ip_address" $flags
-	elif $if_down; then
+	elif $if_down || { [ "$reason" = STOPPED ] && ! $if_persistent; }; then
 		fsysopts /servers/socket/2 -i "$ifxname" -a 0.0.0.0
 	fi
 fi
diff --git a/hooks/dhcpcd-run-hooks.8.in b/hooks/dhcpcd-run-hooks.8.in
index 93b0d4b9..04d2357d 100644
--- a/hooks/dhcpcd-run-hooks.8.in
+++ b/hooks/dhcpcd-run-hooks.8.in
@@ -194,6 +194,13 @@ if dhcpcd has configured the
 .Ev interface
 otherwise
 .Dv false .
+.It Ev $if_persistent
+.Dv true
+if the
+.Ev interface
+is configured to be persistent when dhcpcd exits,
+otherwise
+.Dv false .
 .It Ev $if_up
 .Dv true
 if the
diff --git a/src/script.c b/src/script.c
index ff575bb5..0a8c91b0 100644
--- a/src/script.c
+++ b/src/script.c
@@ -358,6 +358,9 @@ make_env(struct dhcpcd_ctx *ctx, const struct interface *ifp,
 	if (efprintf(fp, "if_configured=%s",
 		ifo->options & DHCPCD_CONFIGURE ? "true" : "false") == -1)
 		goto eexit;
+	if (efprintf(fp, "if_persistent=%s",
+		ifo->options & DHCPCD_PERSISTENT ? "true" : "false") == -1)
+		goto eexit;
 	if (efprintf(fp, "ifcarrier=%s",
 		ifp->carrier == LINK_UNKNOWN ? "unknown" :
 		    ifp->carrier == LINK_UP  ? "up" :