diff --git a/mixnet/v2/sim/analysis.py b/mixnet/v2/sim/analysis.py
index 7408855..12f1e3b 100644
--- a/mixnet/v2/sim/analysis.py
+++ b/mixnet/v2/sim/analysis.py
@@ -35,6 +35,7 @@ class Analysis:
         plt.title("Ingress/egress bandwidth of each node over time")
         plt.xlabel("Time")
         plt.ylabel("Bandwidth (KiB/s)")
+        plt.ylim(bottom=0)
         # Customize the legend to show only 'ingress' and 'egress' regardless of node_id
         handles, labels = plt.gca().get_legend_handles_labels()
         by_label = dict(zip(labels, handles))
@@ -75,6 +76,7 @@ class Analysis:
         plt.title("Mixed messages in each mix over time")
         plt.xlabel("Time")
         plt.ylabel("Msg Count")
+        plt.ylim(bottom=0)
         plt.legend(title="Node ID")
         plt.grid(True)
         plt.show()
diff --git a/mixnet/v2/sim/config.yaml b/mixnet/v2/sim/config.yaml
index a81b813..c71d4b1 100644
--- a/mixnet/v2/sim/config.yaml
+++ b/mixnet/v2/sim/config.yaml
@@ -13,9 +13,9 @@ mixnet:
   # A probability of sending a real message within a cycle
   real_message_prob: 0.1
   # A weight of real message emission probability of some nodes
-  # Each weight is assigned to each node in the order of the node ID.
+  # Each weight is multiplied to the real_message_prob of the node being at the same position in the node list.
   # The length of the list should be <= p2p.num_nodes. i.e. some nodes won't have a weight.
-  real_message_prob_weights: [10, 8, 12]
+  real_message_prob_weights: [3, 2, 5]
   # A probability of sending a cover message within a cycle if not sending a real message
   cover_message_prob: 0.2
   # A maximum preparation time (delay) before sending the message
diff --git a/mixnet/v2/sim/docs/bandwidth.png b/mixnet/v2/sim/docs/bandwidth.png
index 43cc0bb..382a6e5 100644
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diff --git a/mixnet/v2/sim/docs/mixed-msgs-over-time.png b/mixnet/v2/sim/docs/mixed-msgs-over-time.png
index e44da15..cf2e78c 100644
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diff --git a/mixnet/v2/sim/docs/msgs-around-interval.png b/mixnet/v2/sim/docs/msgs-around-interval.png
index f5fc292..7e46b46 100644
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