diff --git a/arch/arm/src/stm32/stm32_eth.c b/arch/arm/src/stm32/stm32_eth.c
index 4081485f3bc..aa163733fa4 100644
--- a/arch/arm/src/stm32/stm32_eth.c
+++ b/arch/arm/src/stm32/stm32_eth.c
@@ -2129,9 +2129,17 @@ static int stm32_ifup(struct net_driver_s *dev)
   FAR struct stm32_ethmac_s *priv = (FAR struct stm32_ethmac_s *)dev->d_private;
   int ret;
 
+#ifdef CONFIG_NET_IPv4
   ndbg("Bringing up: %d.%d.%d.%d\n",
        dev->d_ipaddr & 0xff, (dev->d_ipaddr >> 8) & 0xff,
        (dev->d_ipaddr >> 16) & 0xff, dev->d_ipaddr >> 24);
+#endif
+#ifdef CONFIG_NET_IPv4
+  ndbg("Bringing up: %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
+       dev->d_ipv6addr[0], dev->d_ipv6addr[1], dev->d_ipv6addr[2],
+       dev->d_ipv6addr[3], dev->d_ipv6addr[4], dev->d_ipv6addr[5],
+       dev->d_ipv6addr[6], dev->d_ipv6addr[7]);
+#endif
 
   /* Configure the Ethernet interface for DMA operation. */
 
diff --git a/include/nuttx/net/ethernet.h b/include/nuttx/net/ethernet.h
index 4afe1c0efd0..2fc93341b12 100644
--- a/include/nuttx/net/ethernet.h
+++ b/include/nuttx/net/ethernet.h
@@ -93,7 +93,7 @@ extern "C"
 #define EXTERN extern
 #endif
 
-#ifdef CONFIG_NET_ICMPv6_AUTOCONF
+#if defined(CONFIG_NET_ICMPv6_AUTOCONF) || defined(CONFIG_NET_ICMPv6_ROUTER)
 EXTERN const struct ether_addr g_ipv6_ethallnodes;    /* All link local nodes */
 EXTERN const struct ether_addr g_ipv6_ethallrouters;  /* All link local routers */
 #endif
diff --git a/include/nuttx/net/ip.h b/include/nuttx/net/ip.h
index c46c7f00a0f..c7cc7790698 100644
--- a/include/nuttx/net/ip.h
+++ b/include/nuttx/net/ip.h
@@ -227,9 +227,11 @@ EXTERN const in_addr_t g_ipv4_allzeroaddr;      /* An address of all zeroes */
 #ifdef CONFIG_NET_IPv6
 EXTERN const net_ipv6addr_t g_ipv6_alloneaddr;  /* An address of all ones */
 EXTERN const net_ipv6addr_t g_ipv6_allzeroaddr; /* An address of all zeroes */
-#ifdef CONFIG_NET_ICMPv6_AUTOCONF
+#if defined(CONFIG_NET_ICMPv6_AUTOCONF) || defined(CONFIG_NET_ICMPv6_ROUTER)
 EXTERN const net_ipv6addr_t g_ipv6_allnodes;    /* All link local nodes */
 EXTERN const net_ipv6addr_t g_ipv6_allrouters;  /* All link local routers */
+#endif
+#ifdef CONFIG_NET_ICMPv6_AUTOCONF
 EXTERN const net_ipv6addr_t g_ipv6_llnetmask;   /* Netmask for local link address */
 #endif
 #endif
diff --git a/net/devif/devif_initialize.c b/net/devif/devif_initialize.c
index 65bef082199..9b477ee6b4c 100644
--- a/net/devif/devif_initialize.c
+++ b/net/devif/devif_initialize.c
@@ -95,8 +95,8 @@ const net_ipv6addr_t g_ipv6_allzeroaddr = /* An address of all zeroes */
   0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
 };
 
-#ifdef CONFIG_NET_ICMPv6_AUTOCONF
-  /* IPv6 Multi-cast IP address */
+#if defined(CONFIG_NET_ICMPv6_AUTOCONF) || defined(CONFIG_NET_ICMPv6_ROUTER)
+/* IPv6 Multi-cast IP addresses */
 
 const net_ipv6addr_t g_ipv6_allnodes =    /* All link local nodes */
 {
@@ -142,7 +142,7 @@ const struct ether_addr g_ipv6_ethallrouters =   /* All link local routers */
 };
 
 #endif /* CONFIG_NET_ETHERNET */
-#endif /* CONFIG_NET_ICMPv6_AUTOCONF */
+#endif /* CONFIG_NET_ICMPv6_AUTOCONF || CONFIG_NET_ICMPv6_ROUTER */
 #endif /* CONFIG_NET_IPv4 */
 
 /****************************************************************************