Unable to configure higher threshold for public IP usage

[KuasarCloud]

Hi team,

I’ve reached 85% usage of my public IPs, but I haven’t been able to find an option in the Global Configuration to adjust the threshold. Ideally, I’d like to set it to at least 90%.

Is there a way to configure this, or is the threshold value fixed?

Thanks in advance!

[prashanthr2]

@KuasarCloud Below global setting parameters should address your issue (may require management server restart for the changes to take effect)

zone.virtualnetwork.publicip.capacity.notificationthreshold
zone.directnetwork.publicip.capacity.notificationthreshold

[KuasarCloud]

Yes, I did. However, the zone.directnetwork.publicip.capacity.notificationthreshold was set to 75%, while my usage was already at 85%. Since the block only occurs when reaching 85%, the 75% threshold doesn’t seem to have any practical effect.

[prashanthr2]

@KuasarCloud I tested in my lab earlier today and I was able to acquire all the IP's irrespective of the setting. In my case it only generated alert once I crossed the threshold defined.

Are you trying to acquire the IP's as a user? Have you ruled out any quota issues?Also, What is the version of cloudstack being used

If possible reproduce the issue share complete management server log.

[KuasarCloud]

Hi @prashanthr2,

Please follow the error I'm getting. This is from the public IP range in the the public traffic type. Only happens when reaching 85% of that pool of IPs

2025-09-23 15:57:16,047 WARN [c.c.n.v.VpcManagerImpl] (API-Job-Executor-2:[ctx-aa9893e9, job-53352, ctx-097236bd]) (logid:289a8fbf) Failed to start vpc VPC {"id":188,"name":"test","uuid":"66cb779f-3ce3-4686-9b16-892679203f0c"} due to com.cloud.exception.InsufficientAddressCapacityException: Insufficient address capacityScope=interface com.cloud.dc.DataCenter; id=2 at com.cloud.network.IpAddressManagerImpl.listAvailablePublicIps(IpAddressManagerImpl.java:1008) at com.cloud.network.IpAddressManagerImpl.fetchNewPublicIp(IpAddressManagerImpl.java:858) at com.cloud.network.IpAddressManagerImpl.fetchNewPublicIp(IpAddressManagerImpl.java:850) at com.cloud.network.IpAddressManagerImpl$3.doInTransaction(IpAddressManagerImpl.java:1152) at com.cloud.network.IpAddressManagerImpl$3.doInTransaction(IpAddressManagerImpl.java:1123) at com.cloud.utils.db.Transaction.execute(Transaction.java:38) at com.cloud.network.IpAddressManagerImpl.assignDedicateIpAddress(IpAddressManagerImpl.java:1123) at com.cloud.network.vpc.VpcManagerImpl.assignSourceNatIpAddressToVpc(VpcManagerImpl.java:3357) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:569) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:215) at jdk.proxy3/jdk.proxy3.$Proxy197.assignSourceNatIpAddressToVpc(Unknown Source) at org.apache.cloudstack.network.router.deployment.VpcRouterDeploymentDefinition.findSourceNatIP(VpcRouterDeploymentDefinition.java:132) at org.apache.cloudstack.network.router.deployment.RouterDeploymentDefinition.executeDeployment(RouterDeploymentDefinition.java:388) at org.apache.cloudstack.network.router.deployment.RouterDeploymentDefinition.findOrDeployVirtualRouter(RouterDeploymentDefinition.java:251) at org.apache.cloudstack.network.router.deployment.VpcRouterDeploymentDefinition.findOrDeployVirtualRouter(VpcRouterDeploymentDefinition.java:157) at org.apache.cloudstack.network.router.deployment.RouterDeploymentDefinition.deployVirtualRouter(RouterDeploymentDefinition.java:217) at com.cloud.network.element.VpcVirtualRouterElement.implementVpc(VpcVirtualRouterElement.java:165) at com.cloud.network.vpc.VpcManagerImpl.startVpc(VpcManagerImpl.java:1955) at com.cloud.network.vpc.VpcManagerImpl.startVpc(VpcManagerImpl.java:1916) at com.cloud.network.vpc.VpcManagerImpl.startVpc(VpcManagerImpl.java:1945) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:569) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) at org.apache.cloudstack.network.contrail.management.EventUtils$EventInterceptor.invoke(EventUtils.java:105) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:175) at com.cloud.event.ActionEventInterceptor.invoke(ActionEventInterceptor.java:52) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:175) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:215) at jdk.proxy3/jdk.proxy3.$Proxy197.startVpc(Unknown Source) at org.apache.cloudstack.api.command.user.vpc.CreateVPCCmd.execute(CreateVPCCmd.java:227) at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:173) at com.cloud.api.ApiAsyncJobDispatcher.runJob(ApiAsyncJobDispatcher.java:110) at org.apache.cloudstack.framework.jobs.impl.AsyncJobManagerImpl$5.runInContext(AsyncJobManagerImpl.java:652) at org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49) at org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56) at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103) at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53) at org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46) at org.apache.cloudstack.framework.jobs.impl.AsyncJobManagerImpl$5.run(AsyncJobManagerImpl.java:600) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:840)

[rajujith]

@KuasarCloud can you check whether there are free IPs:
select count(*) from user_ip_address where allocated is null and state='Free' and data_center_id=2;

[KuasarCloud]

Thanks @rajujith

MariaDB [cloud]> select count() from user_ip_address where allocated is null and state='Free' and data_center_id=2;
+----------+
| count() |
+----------+
| 14 |
+----------+