Remove ILB limitation for secondary IP in backend pool

rdeltcheva · rdeltcheva · commit d39fd6f7b7a6 · 2024-06-19T06:25:37.000-07:00
diff --git a/articles/sap/workloads/high-availability-guide-rhel-with-dialog-instance.md b/articles/sap/workloads/high-availability-guide-rhel-with-dialog-instance.md
@@ -7,7 +7,7 @@ manager: rdeltcheva
 ms.service: sap-on-azure
 ms.subservice: sap-vm-workloads
 ms.topic: tutorial
-ms.date: 01/21/2024
+ms.date: 06/19/2024
 ms.author: depadia
 ---
 
@@ -112,9 +112,6 @@ This article assumes that you already configured the load balancer for the SAP A
 
 The health probe configuration property `numberOfProbes`, otherwise known as **Unhealthy threshold** in the Azure portal, isn't respected. To control the number of successful or failed consecutive probes, set the property `probeThreshold` to `2`. It's currently not possible to set this property by using the Azure portal. Use either the [Azure CLI](/cli/azure/network/lb/probe) or the [PowerShell](/powershell/module/az.network/new-azloadbalancerprobeconfig) command.
 
-> [!IMPORTANT]
-> Floating IP isn't supported on a NIC secondary IP configuration in load-balancing scenarios. For more information, see [Azure Load Balancer limitations](../../load-balancer/load-balancer-multivip-overview.md#limitations). If you need more IP addresses for the VMs, deploy a second NIC.
-
 When VMs without public IP addresses are placed in the back-end pool of an internal (no public IP address) Standard Azure Load Balancer instance, there's no outbound internet connectivity unless more configuration is performed to allow routing to public endpoints. For steps on how to achieve outbound connectivity, see [Public endpoint connectivity for virtual machines using Azure Standard Load Balancer in SAP high-availability scenarios](high-availability-guide-standard-load-balancer-outbound-connections.md).
 
 > [!IMPORTANT]
diff --git a/articles/sap/workloads/high-availability-guide-rhel-with-hana-ascs-ers-dialog-instance.md b/articles/sap/workloads/high-availability-guide-rhel-with-hana-ascs-ers-dialog-instance.md
@@ -7,7 +7,7 @@ manager: juergent
 ms.service: sap-on-azure
 ms.subservice: sap-vm-workloads
 ms.topic: tutorial
-ms.date: 08/16/2022
+ms.date: 06/19/2024
 ms.author: ampatel
 ---
 
@@ -104,13 +104,11 @@ This article assumes that you already configured the load balancer for a HANA cl
       1. **Interval**: Enter **5**.
       1. **Probe Threshold**: Enter **2**.
    1. **Idle timeout (minutes)**: Enter **30**.
-   1. **Enable Floating IP**: Select this option.
+   1. **Enable 
+   2.  IP**: Select this option.
 
 The health probe configuration property `numberOfProbes`, otherwise known as **Unhealthy threshold** in the Azure portal, isn't respected. To control the number of successful or failed consecutive probes, set the property `probeThreshold` to `2`. It's currently not possible to set this property by using the Azure portal. Use either the [Azure CLI](/cli/azure/network/lb/probe) or the [PowerShell](/powershell/module/az.network/new-azloadbalancerprobeconfig) command.
 
-> [!IMPORTANT]
-> Floating IP isn't supported on a NIC secondary IP configuration in load-balancing scenarios. For more information, see [Azure Load Balancer limitations](../../load-balancer/load-balancer-multivip-overview.md#limitations). If you need more IP addresses for the VMs, deploy a second NIC.
-
 When VMs without public IP addresses are placed in the back-end pool of an internal (no public IP address) Standard Azure Load Balancer instance, there's no outbound internet connectivity unless more configuration is performed to allow routing to public endpoints. For steps on how to achieve outbound connectivity, see [Public endpoint connectivity for virtual machines using Azure Standard Load Balancer in SAP high-availability scenarios](high-availability-guide-standard-load-balancer-outbound-connections.md).
 
 > [!IMPORTANT]
diff --git a/articles/sap/workloads/sap-ascs-ha-multi-sid-wsfc-azure-shared-disk.md b/articles/sap/workloads/sap-ascs-ha-multi-sid-wsfc-azure-shared-disk.md
@@ -8,7 +8,7 @@ ms.assetid: cbf18abe-41cb-44f7-bdec-966f32c89325
 ms.topic: article
 ms.service: sap-on-azure
 ms.subservice: sap-vm-workloads
-ms.date: 01/19/2024
+ms.date: 06/19/2024
 ms.author: radeltch
 ms.custom: H1Hack27Feb2017, devx-track-azurepowershell
 ---
@@ -163,9 +163,6 @@ Configure additional frontend IP and load balancing rule for SAP SID, PR2 system
 > [!NOTE]
 > Health probe configuration property numberOfProbes, otherwise known as "Unhealthy threshold" in Portal, isn't respected. So to control the number of successful or failed consecutive probes, set the property "probeThreshold" to 2. It is currently not possible to set this property using Azure portal, so use either the [Azure CLI](/cli/azure/network/lb/probe) or [PowerShell](/powershell/module/az.network/new-azloadbalancerprobeconfig) command.
 
-> [!IMPORTANT]
-> A floating IP address isn't supported on a network interface card (NIC) secondary IP configuration in load-balancing scenarios. For details, see [Azure Load Balancer limitations](../../load-balancer/load-balancer-multivip-overview.md#limitations). If you need another IP address for the VM, deploy a second NIC.
-
 > [!NOTE]
 > When VMs without public IP addresses are placed in the back-end pool of an internal (no public IP address) Standard Azure load balancer, there will be no outbound internet connectivity unless you perform additional configuration to allow routing to public endpoints. For details on how to achieve outbound connectivity, see [Public endpoint connectivity for virtual machines using Azure Standard Load Balancer in SAP high-availability scenarios](./high-availability-guide-standard-load-balancer-outbound-connections.md).  
 
diff --git a/articles/sap/workloads/sap-ascs-ha-multi-sid-wsfc-shared-disk.md b/articles/sap/workloads/sap-ascs-ha-multi-sid-wsfc-shared-disk.md
@@ -9,7 +9,7 @@ ms.service: sap-on-azure
 ms.subservice: sap-vm-workloads
 ms.topic: article
 ms.tgt_pltfrm: vm-windows
-ms.date: 12/16/2022
+ms.date: 06/19/2024
 ms.author: radeltch
 ms.custom: H1Hack27Feb2017, devx-track-azurepowershell
 ---
@@ -30,10 +30,7 @@ This article focuses on how to move from a single ASCS/SCS installation to an SA
 >The maximum number of SAP ASCS/SCS instances in one WSFC cluster is equal to the maximum number of private front-end IPs for each Azure internal load balancer.
 >
 
-For more information about load-balancer limits, see the "Private front-end IP per load balancer" section in [Networking limits: Azure Resource Manager][networking-limits-azure-resource-manager].
-
-> [!IMPORTANT]
-> Floating IP is not supported on a NIC secondary IP configuration in load-balancing scenarios. For details see [Azure Load balancer Limitations](../../load-balancer/load-balancer-multivip-overview.md#limitations). If you need additional IP address for the VM, deploy a second NIC.  
+For more information about load-balancer limits, see the "Private front-end IP per load balancer" section in [Networking limits: Azure Resource Manager][networking-limits-azure-resource-manager].  
 
 [!INCLUDE [updated-for-az](../../../includes/updated-for-az.md)]
 
diff --git a/articles/sap/workloads/sap-high-availability-guide-wsfc-shared-disk.md b/articles/sap/workloads/sap-high-availability-guide-wsfc-shared-disk.md
@@ -9,7 +9,7 @@ ms.service: sap-on-azure
 ms.subservice: sap-vm-workloads
 ms.topic: article
 ms.tgt_pltfrm: vm-windows
-ms.date: 12/16/2022
+ms.date: 06/19/2024
 ms.author: radeltch
 ms.custom: H1Hack27Feb2017
 ---
@@ -38,11 +38,8 @@ The Azure cloud platform doesn't offer the option to configure virtual IP addres
 
 The Azure Load Balancer service provides an *internal load balancer* for Azure. With the internal load balancer, clients reach the cluster over the cluster's virtual IP address.
 
-Deploy the internal load balancer in the resource group that contains the cluster nodes. Then, configure all necessary port-forwarding rules by using the probe ports of the internal load balancer. Clients can connect via the virtual host name. The DNS server resolves the cluster IP address, and the internal load balancer handles port forwarding to the active node of the cluster.
-
-> [!IMPORTANT]
-> Floating IP addresses are not supported on a secondary IP configuration for a network adapter (NIC) in load-balancing scenarios. For details, see [Azure Load Balancer limitations](../../load-balancer/load-balancer-multivip-overview.md#limitations). If you need an additional IP address for the VM, deploy a second NIC.  
-
+Deploy the internal load balancer in the resource group that contains the cluster nodes. Then, configure all necessary port-forwarding rules by using the probe ports of the internal load balancer. Clients can connect via the virtual host name. The DNS server resolves the cluster IP address, and the internal load balancer handles port forwarding to the active node of the cluster.  
+ 
 ![Diagram of a Windows Server Failover Clustering configuration in Azure without a shared disk.][sap-ha-guide-figure-1001]
 
 ### SAP ASCS/SCS HA with cluster shared disks
diff --git a/articles/sap/workloads/sap-high-availability-infrastructure-wsfc-shared-disk.md b/articles/sap/workloads/sap-high-availability-infrastructure-wsfc-shared-disk.md
@@ -8,7 +8,7 @@ ms.service: sap-on-azure
 ms.subservice: sap-vm-workloads
 ms.topic: article
 ms.tgt_pltfrm: vm-windows
-ms.date: 01/19/2024
+ms.date: 06/19/2024
 ms.author: radeltch
 ms.custom: H1Hack27Feb2017, devx-track-azurepowershell
 ---
@@ -110,10 +110,7 @@ During VM configuration, you can create or select exiting load balancer in netwo
 4. Applicable to only ENSA2 architecture: Create additional frontend IP (10.0.0.44), load balancing rule (use 621<Instance-no.> for ERS2 health probe port) as described in point 1 and 3.
 
 > [!NOTE]
-> Health probe configuration property numberOfProbes, otherwise known as "Unhealthy threshold" in Portal, isn't respected. So to control the number of successful or failed consecutive probes, set the property "probeThreshold" to 2. It is currently not possible to set this property using Azure portal, so use either the [Azure CLI](/cli/azure/network/lb/probe) or [PowerShell](/powershell/module/az.network/new-azloadbalancerprobeconfig) command.
-
-> [!IMPORTANT]
-> A floating IP address isn't supported on a network interface card (NIC) secondary IP configuration in load-balancing scenarios. For details, see [Azure Load Balancer limitations](../../load-balancer/load-balancer-multivip-overview.md#limitations). If you need another IP address for the VM, deploy a second NIC.
+> Health probe configuration property numberOfProbes, otherwise known as "Unhealthy threshold" in Portal, isn't respected. So to control the number of successful or failed consecutive probes, set the property "probeThreshold" to 2. It is currently not possible to set this property using Azure portal, so use either the [Azure CLI](/cli/azure/network/lb/probe) or [PowerShell](/powershell/module/az.network/new-azloadbalancerprobeconfig) command.  
 
 > [!NOTE]
 > When VMs without public IP addresses are placed in the back-end pool of an internal (no public IP address) Standard Azure load balancer, there will be no outbound internet connectivity unless you perform additional configuration to allow routing to public endpoints. For details on how to achieve outbound connectivity, see [Public endpoint connectivity for virtual machines using Azure Standard Load Balancer in SAP high-availability scenarios](./high-availability-guide-standard-load-balancer-outbound-connections.md).  
