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Update install-on-azure.md 

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@ -18,16 +18,16 @@ IP addresses to Kubernetes pods. The Azure IPAM module requires each Azure
VM that's part of the Kubernetes cluster to be configured with a pool of VM that's part of the Kubernetes cluster to be configured with a pool of
IP addresses. IP addresses.
You have two options for provisoning IPs for the Kubernetes cluster on Azure: There are two options for provisoning IPs for the Kubernetes cluster on Azure:
- Docker UCP provides an automated mechanism to configure and maintain IP pools - Docker UCP provides an automated mechanism to configure and maintain IP pools
for standalone Azure VMs. This service runs within the calico-node daemonset for standalone Azure virtual machines. This service runs within the calico-node daemonset
and by default will provision 128 IP address for each node. This value can be and by default will provision 128 IP address for each node. This value can be
configured through the `azure_ip_count`in the UCP configured through the `azure_ip_count`in the UCP
[configuration file](../configure/ucp-configuration-file) before or after the [configuration file](../configure/ucp-configuration-file) before or after the
UCP installation. Note that if this value is reduced post-installation, existing UCP installation. Note that if this value is reduced post-installation, existing
VMs will not be reconciled, and you will have to manually edit the IP count virtual machines will not be reconciled, and you will have to manually edit the IP count
in Azure. in Azure.
- Manually provision additional IP address for each Azure VM. This could be done - Manually provision additional IP address for each Azure virtual machine. This could be done
as part of an Azure Virtual Machine Scale Set through an ARM template. You can find an example [here](#set-up-ip-configurations-on-an-azure-virtual-machine-scale-set). as part of an Azure Virtual Machine Scale Set through an ARM template. You can find an example [here](#set-up-ip-configurations-on-an-azure-virtual-machine-scale-set).
Note that the `azure_ip_count` value in the UCP Note that the `azure_ip_count` value in the UCP
[configuration file](../configure/ucp-configuration-file) will need to be set [configuration file](../configure/ucp-configuration-file) will need to be set
@ -37,7 +37,7 @@ You have two options for provisoning IPs for the Kubernetes cluster on Azure:
## Azure Prerequisites ## Azure Prerequisites
You must meet these infrastructure prerequisites in order You must meet these infrastructure prerequisites in order
to successfully deploy Docker UCP on Azure. to successfully deploy Docker UCP on Azure
- All UCP Nodes (Managers and Workers) need to be deployed into the same - All UCP Nodes (Managers and Workers) need to be deployed into the same
Azure Resource Group. The Azure Networking (Vnets, Subnets, Security Groups) Azure Resource Group. The Azure Networking (Vnets, Subnets, Security Groups)
@ -113,7 +113,7 @@ More details on this configuration file can be found
## Considerations for IPAM Configuration ## Considerations for IPAM Configuration
The subnet and the virtual network associated with the primary interface of The subnet and the virtual network associated with the primary interface of
the Azure VMs need to be configured with a large enough address prefix/range. the Azure virtual machines need to be configured with a large enough address prefix/range.
The number of required IP addresses depends on the number of pods running The number of required IP addresses depends on the number of pods running
on each node and the number of nodes in the cluster. on each node and the number of nodes in the cluster.
@ -139,11 +139,11 @@ plus a buffer for initial allocations for primary IP addresses.
## Manually provision IP address as part of an Azure virtual machine scale set ## Manually provision IP address as part of an Azure virtual machine scale set
Configure IP Pools for each member of the VM scale set during provisioning by Configure IP Pools for each member of the virtual machine scale set during provisioning by
associating multiple `ipConfigurations` with the scale set’s associating multiple `ipConfigurations` with the scale set’s
`networkInterfaceConfigurations`. Here's an example `networkProfile` `networkInterfaceConfigurations`. Here's an example `networkProfile`
configuration for an ARM template that configures pools of 32 IP addresses configuration for an ARM template that configures pools of 32 IP addresses
for each VM in the VM scale set. for each virtual machine in the virtual machine scale set.
```json ```json
"networkProfile": { "networkProfile": {