diff --git a/babeld/babel_interface.c b/babeld/babel_interface.c
index 615ed9fee3..e725fbffe9 100644
--- a/babeld/babel_interface.c
+++ b/babeld/babel_interface.c
@@ -484,7 +484,8 @@ DEFUN (babel_set_rtt_min,
     babel_ifp = babel_get_if_nfo(ifp);
     assert (babel_ifp != NULL);
 
-    babel_ifp->rtt_min = rtt;
+    /* The value is entered in milliseconds but stored as microseconds. */
+    babel_ifp->rtt_min = rtt * 1000;
     return CMD_SUCCESS;
 }
 
@@ -504,7 +505,8 @@ DEFUN (babel_set_rtt_max,
     babel_ifp = babel_get_if_nfo(ifp);
     assert (babel_ifp != NULL);
 
-    babel_ifp->rtt_max = rtt;
+    /* The value is entered in milliseconds but stored as microseconds. */
+    babel_ifp->rtt_max = rtt * 1000;
     return CMD_SUCCESS;
 }
 
@@ -1328,8 +1330,29 @@ interface_config_write (struct vty *vty)
                        babel_ifp->update_interval);
             write++;
         }
-        /* Some parameters have different defaults for wired/wireless. */
-        if (CHECK_FLAG (babel_ifp->flags, BABEL_IF_WIRED)) {
+	if (CHECK_FLAG(babel_ifp->flags, BABEL_IF_TIMESTAMPS)) {
+		vty_out(vty, " babel enable-timestamps\n");
+		write++;
+	}
+	if (babel_ifp->max_rtt_penalty != BABEL_DEFAULT_MAX_RTT_PENALTY) {
+		vty_out(vty, " babel max-rtt-penalty %u\n",
+			babel_ifp->max_rtt_penalty);
+		write++;
+	}
+	if (babel_ifp->rtt_decay != BABEL_DEFAULT_RTT_DECAY) {
+		vty_out(vty, " babel rtt-decay %u\n", babel_ifp->rtt_decay);
+		write++;
+	}
+	if (babel_ifp->rtt_min != BABEL_DEFAULT_RTT_MIN) {
+		vty_out(vty, " babel rtt-min %u\n", babel_ifp->rtt_min / 1000);
+		write++;
+	}
+	if (babel_ifp->rtt_max != BABEL_DEFAULT_RTT_MAX) {
+		vty_out(vty, " babel rtt-max %u\n", babel_ifp->rtt_max / 1000);
+		write++;
+	}
+	/* Some parameters have different defaults for wired/wireless. */
+	if (CHECK_FLAG (babel_ifp->flags, BABEL_IF_WIRED)) {
             if (!CHECK_FLAG (babel_ifp->flags, BABEL_IF_SPLIT_HORIZON)) {
                 vty_out (vty, " no babel split-horizon\n");
                 write++;
@@ -1395,9 +1418,10 @@ babel_interface_allocate (void)
     babel_ifp->bucket_time = babel_now.tv_sec;
     babel_ifp->bucket = BUCKET_TOKENS_MAX;
     babel_ifp->hello_seqno = (frr_weak_random() & 0xFFFF);
-    babel_ifp->rtt_min = 10000;
-    babel_ifp->rtt_max = 120000;
-    babel_ifp->max_rtt_penalty = 150;
+    babel_ifp->rtt_decay = BABEL_DEFAULT_RTT_DECAY;
+    babel_ifp->rtt_min = BABEL_DEFAULT_RTT_MIN;
+    babel_ifp->rtt_max = BABEL_DEFAULT_RTT_MAX;
+    babel_ifp->max_rtt_penalty = BABEL_DEFAULT_MAX_RTT_PENALTY;
     babel_ifp->hello_interval = BABEL_DEFAULT_HELLO_INTERVAL;
     babel_ifp->update_interval = BABEL_DEFAULT_UPDATE_INTERVAL;
     babel_ifp->channel = BABEL_IF_CHANNEL_INTERFERING;
diff --git a/babeld/babeld.h b/babeld/babeld.h
index 4487aae99f..38859f54da 100644
--- a/babeld/babeld.h
+++ b/babeld/babeld.h
@@ -81,6 +81,11 @@ THE SOFTWARE.
 #define BABEL_DEFAULT_HELLO_INTERVAL 4000
 #define BABEL_DEFAULT_UPDATE_INTERVAL 16000
 #define BABEL_DEFAULT_RESEND_DELAY 2000
+#define BABEL_DEFAULT_RTT_DECAY 42
+
+/* Values in microseconds */
+#define BABEL_DEFAULT_RTT_MIN 10000
+#define BABEL_DEFAULT_RTT_MAX 120000
 
 /* In units of seconds */
 #define BABEL_DEFAULT_SMOOTHING_HALF_LIFE 4
@@ -90,6 +95,7 @@ THE SOFTWARE.
 
 #define BABEL_DEFAULT_RXCOST_WIRED 96
 #define BABEL_DEFAULT_RXCOST_WIRELESS 256
+#define BABEL_DEFAULT_MAX_RTT_PENALTY 150
 
 /* Babel structure. */
 struct babel
diff --git a/doc/user/babeld.rst b/doc/user/babeld.rst
index 2d9fef13c3..bda0045a60 100644
--- a/doc/user/babeld.rst
+++ b/doc/user/babeld.rst
@@ -132,7 +132,7 @@ Babel configuration
 
    This specifies the minimum RTT, in milliseconds, starting from which we
    increase the cost to a neighbour. The additional cost is linear in
-   (rtt - rtt-min).  The default is 100 ms.
+   (rtt - rtt-min).  The default is 10 ms.
 
 
 .. clicmd:: babel rtt-max (1-65535)
@@ -144,8 +144,8 @@ Babel configuration
 .. clicmd:: babel max-rtt-penalty (0-65535)
 
    This specifies the maximum cost added to a neighbour because of RTT, i.e.
-   when the RTT is higher or equal than rtt-max.  The default is 0, which
-   effectively disables the use of a RTT-based cost.
+   when the RTT is higher or equal than rtt-max. The default is 150. Setting it
+   to 0 effectively disables the use of a RTT-based cost.
 
 
 .. clicmd:: babel enable-timestamps