diff --git a/device.c b/device.c
index 7004bfd..3e182f3 100644
--- a/device.c
+++ b/device.c
@@ -45,6 +45,7 @@ static const struct blobmsg_policy dev_attrs[__DEV_ATTR_MAX] = {
 	[DEV_ATTR_IGMPVERSION] = { .name = "igmpversion", .type = BLOBMSG_TYPE_INT32 },
 	[DEV_ATTR_MLDVERSION] = { .name = "mldversion", .type = BLOBMSG_TYPE_INT32 },
 	[DEV_ATTR_NEIGHREACHABLETIME] = { .name = "neighreachabletime", .type = BLOBMSG_TYPE_INT32 },
+	[DEV_ATTR_NEIGHGCSTALETIME] = { .name = "neighgcstaletime", .type = BLOBMSG_TYPE_INT32 },
 	[DEV_ATTR_RPS] = { .name = "rps", .type = BLOBMSG_TYPE_BOOL },
 	[DEV_ATTR_XPS] = { .name = "xps", .type = BLOBMSG_TYPE_BOOL },
 	[DEV_ATTR_DADTRANSMITS] = { .name = "dadtransmits", .type = BLOBMSG_TYPE_INT32 },
@@ -171,6 +172,10 @@ device_merge_settings(struct device *dev, struct device_settings *n)
 		s->neigh4reachabletime : os->neigh4reachabletime;
 	n->neigh6reachabletime = s->flags & DEV_OPT_NEIGHREACHABLETIME ?
 		s->neigh6reachabletime : os->neigh6reachabletime;
+	n->neigh4gcstaletime = s->flags & DEV_OPT_NEIGHGCSTALETIME ?
+		s->neigh4gcstaletime : os->neigh4gcstaletime;
+	n->neigh6gcstaletime = s->flags & DEV_OPT_NEIGHGCSTALETIME ?
+		s->neigh6gcstaletime : os->neigh6gcstaletime;
 	n->dadtransmits = s->flags & DEV_OPT_DADTRANSMITS ?
 		s->dadtransmits : os->dadtransmits;
 	n->multicast = s->flags & DEV_OPT_MULTICAST ?
@@ -258,6 +263,11 @@ device_init_settings(struct device *dev, struct blob_attr **tb)
 		s->flags |= DEV_OPT_NEIGHREACHABLETIME;
 	}
 
+	if ((cur = tb[DEV_ATTR_NEIGHGCSTALETIME])) {
+		s->neigh6gcstaletime = s->neigh4gcstaletime = blobmsg_get_u32(cur);
+		s->flags |= DEV_OPT_NEIGHGCSTALETIME;
+	}
+
 	if ((cur = tb[DEV_ATTR_RPS])) {
 		s->rps = blobmsg_get_bool(cur);
 		s->flags |= DEV_OPT_RPS;
@@ -960,6 +970,10 @@ device_dump_status(struct blob_buf *b, struct device *dev)
 			blobmsg_add_u32(b, "neigh4reachabletime", st.neigh4reachabletime);
 			blobmsg_add_u32(b, "neigh6reachabletime", st.neigh6reachabletime);
 		}
+		if (st.flags & DEV_OPT_NEIGHGCSTALETIME) {
+			blobmsg_add_u32(b, "neigh4gcstaletime", st.neigh4gcstaletime);
+			blobmsg_add_u32(b, "neigh6gcstaletime", st.neigh6gcstaletime);
+		}
 		if (st.flags & DEV_OPT_DADTRANSMITS)
 			blobmsg_add_u32(b, "dadtransmits", st.dadtransmits);
 		if (st.flags & DEV_OPT_MULTICAST_TO_UNICAST)
diff --git a/device.h b/device.h
index 9c4b822..0b8cd6a 100644
--- a/device.h
+++ b/device.h
@@ -45,6 +45,7 @@ enum {
 	DEV_ATTR_MULTICAST_TO_UNICAST,
 	DEV_ATTR_MULTICAST_ROUTER,
 	DEV_ATTR_MULTICAST,
+	DEV_ATTR_NEIGHGCSTALETIME,
 	__DEV_ATTR_MAX,
 };
 
@@ -88,6 +89,7 @@ enum {
 	DEV_OPT_MULTICAST_TO_UNICAST	= (1 << 14),
 	DEV_OPT_MULTICAST_ROUTER	= (1 << 15),
 	DEV_OPT_MULTICAST		= (1 << 16),
+	DEV_OPT_NEIGHGCSTALETIME	= (1 << 17),
 };
 
 /* events broadcasted to all users of a device */
@@ -143,6 +145,8 @@ struct device_settings {
 	unsigned int mldversion;
 	unsigned int neigh4reachabletime;
 	unsigned int neigh6reachabletime;
+	unsigned int neigh4gcstaletime;
+	unsigned int neigh6gcstaletime;
 	bool rps;
 	bool xps;
 	unsigned int dadtransmits;
diff --git a/system-linux.c b/system-linux.c
index f79625a..62c51b5 100644
--- a/system-linux.c
+++ b/system-linux.c
@@ -310,6 +310,16 @@ static void system_set_neigh6reachabletime(struct device *dev, const char *val)
 	system_set_dev_sysctl("/proc/sys/net/ipv6/neigh/%s/base_reachable_time_ms", dev->ifname, val);
 }
 
+static void system_set_neigh4gcstaletime(struct device *dev, const char *val)
+{
+	system_set_dev_sysctl("/proc/sys/net/ipv4/neigh/%s/gc_stale_time", dev->ifname, val);
+}
+
+static void system_set_neigh6gcstaletime(struct device *dev, const char *val)
+{
+	system_set_dev_sysctl("/proc/sys/net/ipv6/neigh/%s/gc_stale_time", dev->ifname, val);
+}
+
 static void system_set_dadtransmits(struct device *dev, const char *val)
 {
 	system_set_dev_sysctl("/proc/sys/net/ipv6/conf/%s/dad_transmits", dev->ifname, val);
@@ -446,6 +456,18 @@ static int system_get_neigh6reachabletime(struct device *dev, char *buf, const s
 			dev->ifname, buf, buf_sz);
 }
 
+static int system_get_neigh4gcstaletime(struct device *dev, char *buf, const size_t buf_sz)
+{
+	return system_get_dev_sysctl("/proc/sys/net/ipv4/neigh/%s/gc_stale_time",
+			dev->ifname, buf, buf_sz);
+}
+
+static int system_get_neigh6gcstaletime(struct device *dev, char *buf, const size_t buf_sz)
+{
+	return system_get_dev_sysctl("/proc/sys/net/ipv6/neigh/%s/gc_stale_time",
+			dev->ifname, buf, buf_sz);
+}
+
 static int system_get_dadtransmits(struct device *dev, char *buf, const size_t buf_sz)
 {
 	return system_get_dev_sysctl("/proc/sys/net/ipv6/conf/%s/dad_transmits",
@@ -1230,6 +1252,16 @@ system_if_get_settings(struct device *dev, struct device_settings *s)
 		s->flags |= DEV_OPT_NEIGHREACHABLETIME;
 	}
 
+	if (!system_get_neigh4gcstaletime(dev, buf, sizeof(buf))) {
+		s->neigh4gcstaletime = strtoul(buf, NULL, 0);
+		s->flags |= DEV_OPT_NEIGHGCSTALETIME;
+	}
+
+	if (!system_get_neigh6gcstaletime(dev, buf, sizeof(buf))) {
+		s->neigh6gcstaletime = strtoul(buf, NULL, 0);
+		s->flags |= DEV_OPT_NEIGHGCSTALETIME;
+	}
+
 	if (!system_get_dadtransmits(dev, buf, sizeof(buf))) {
 		s->dadtransmits = strtoul(buf, NULL, 0);
 		s->flags |= DEV_OPT_DADTRANSMITS;
@@ -1324,6 +1356,12 @@ system_if_apply_settings(struct device *dev, struct device_settings *s, unsigned
 		snprintf(buf, sizeof(buf), "%d", s->neigh6reachabletime);
 		system_set_neigh6reachabletime(dev, buf);
 	}
+	if (s->flags & DEV_OPT_NEIGHGCSTALETIME & apply_mask) {
+		snprintf(buf, sizeof(buf), "%d", s->neigh4gcstaletime);
+		system_set_neigh4gcstaletime(dev, buf);
+		snprintf(buf, sizeof(buf), "%d", s->neigh6gcstaletime);
+		system_set_neigh6gcstaletime(dev, buf);
+	}
 	if (s->flags & DEV_OPT_DADTRANSMITS & apply_mask) {
 		snprintf(buf, sizeof(buf), "%d", s->dadtransmits);
 		system_set_dadtransmits(dev, buf);
