diff --git a/resources/scenarios/ln_init.py b/resources/scenarios/ln_init.py
index 4788efa3d..3d8ffa3b5 100644
--- a/resources/scenarios/ln_init.py
+++ b/resources/scenarios/ln_init.py
@@ -240,11 +240,11 @@ def open_channel(self, ch, fee_rate):
 
             channels = sorted(ch_by_block[target_block], key=lambda ch: ch["id"]["index"])
             index = 0
-            fee_rate = 5006  # s/vB, decreases by 5 per tx for up to 1000 txs per block
+            fee_rate = 5006  # s/vB, decreases by 20 per tx for up to 250 txs per block
             ch_threads = []
             for ch in channels:
                 index += 1  # noqa
-                fee_rate -= 5
+                fee_rate -= 20
                 assert index == ch["id"]["index"], "Channel ID indexes are not consecutive"
                 assert fee_rate >= 1, "Too many TXs in block, out of fee range"
                 t = threading.Thread(target=open_channel, args=(self, ch, fee_rate))
@@ -311,7 +311,13 @@ def ln_all_chs(self, ln):
 
         def update_policy(self, ln, txid_hex, policy, capacity):
             self.log.info(f"Sending update from {ln.name} for channel with outpoint: {txid_hex}:0")
-            res = ln.update(txid_hex, policy, capacity)
+            res = None
+            while res is None:
+                try:
+                    res = ln.update(txid_hex, policy, capacity)
+                    break
+                except Exception:
+                    sleep(1)
             assert len(res["failed_updates"]) == 0, (
                 f" Failed updates: {res['failed_updates']}\n txid: {txid_hex}\n policy:{policy}"
             )
diff --git a/src/warnet/graph.py b/src/warnet/graph.py
index 9a6d54ad9..e6e4a08a5 100644
--- a/src/warnet/graph.py
+++ b/src/warnet/graph.py
@@ -356,7 +356,7 @@ def _import_network(graph_file_path, output_path):
         }
         tanks[source]["lnd"]["channels"].append(channel)
         index += 1
-        if index > 1000:
+        if index > 250:
             index = 1
             block += 1
         count += 1