diff --git a/sys/include/net/netopt.h b/sys/include/net/netopt.h
index 9c9a610c1c..6f060590b6 100644
--- a/sys/include/net/netopt.h
+++ b/sys/include/net/netopt.h
@@ -747,6 +747,21 @@ typedef enum {
      */
     NETOPT_RSSI,
 
+    /**
+     * @brief   (array of byte array) get link layer multicast groups as array
+     *          of byte arrays (length of each byte array corresponds to the
+     *          length of @ref NETOPT_ADDRESS) or join a link layer multicast
+     *          group as byte array on an interface
+     *
+     * When getting the option you can pass an array of byte arrays of any
+     * length greater than 0 to the getter. The array will be filled up to to
+     * its maximum and the remaining addresses on the interface will be ignored
+     */
+    NETOPT_L2_GROUP,
+    /**
+     * @brief   (array of byte arrays) Leave an link layer multicast group
+     */
+    NETOPT_L2_GROUP_LEAVE,
     /**
      * @brief   maximum number of options defined here.
      *
diff --git a/sys/net/crosslayer/netopt/netopt.c b/sys/net/crosslayer/netopt/netopt.c
index bc737912e1..7d2edba337 100644
--- a/sys/net/crosslayer/netopt/netopt.c
+++ b/sys/net/crosslayer/netopt/netopt.c
@@ -122,6 +122,8 @@ static const char *_netopt_strmap[] = {
     [NETOPT_NUM_GATEWAYS]          = "NETOPT_NUM_GATEWAYS",
     [NETOPT_LINK_CHECK]            = "NETOPT_LINK_CHECK",
     [NETOPT_RSSI]                  = "NETOPT_RSSI",
+    [NETOPT_L2_GROUP]              = "NETOPT_L2_GROUP",
+    [NETOPT_L2_GROUP_LEAVE]        = "NETOPT_L2_GROUP_LEAVE",
     [NETOPT_NUMOF]                 = "NETOPT_NUMOF",
 };