diff --git a/src/test/vrouter/vrouterTest.py b/src/test/vrouter/vrouterTest.py
index a4712ea..b3ca2cc 100644
--- a/src/test/vrouter/vrouterTest.py
+++ b/src/test/vrouter/vrouterTest.py
@@ -150,7 +150,10 @@
         if networks <= 10000:
             boot_delay = 25
         else:
-            boot_delay = 75
+            if networks < 500000:
+                boot_delay = 75
+            else:
+                boot_delay = 300
         cord_test_quagga_restart(config_file = guest_config_file, boot_delay = boot_delay)
 
     @classmethod