diff --git a/ee/ucp/admin/install/install-on-azure.md b/ee/ucp/admin/install/install-on-azure.md index ca4bbaab93..b57d2be624 100644 --- a/ee/ucp/admin/install/install-on-azure.md +++ b/ee/ucp/admin/install/install-on-azure.md @@ -15,10 +15,10 @@ Calico / Azure integration. Docker UCP configures the Azure IPAM module for Kubernetes to allocate 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 +virtual machine that's part of the Kubernetes cluster to be configured with a pool of IP addresses. -There are 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 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 @@ -120,9 +120,9 @@ on each node and the number of nodes in the cluster. For example, in a cluster of 256 nodes, to run a maximum of 128 pods concurrently on a node, make sure that the address space of the subnet and the virtual network can allocate at least 128 * 256 IP addresses, _in addition to_ -initial IP allocations to VM NICs during Azure resource creation. +initial IP allocations to virtual machine NICs during Azure resource creation. -Accounting for IP addresses that are allocated to NICs during VM bring-up, set +Accounting for IP addresses that are allocated to NICs during virtual machine bring-up, set the address space of the subnet and virtual network to 10.0.0.0/16. This ensures that the network can dynamically allocate at least 32768 addresses, plus a buffer for initial allocations for primary IP addresses.