Azure - Express Route Configuration Step-by-Step

 

Azure ExpressRoute Configuration – Step-by-Step

ExpressRoute provides a private connection between your on-premises network and Microsoft cloud services such as Azure, Microsoft 365, and Dynamics 365. Traffic does not traverse the public Internet.

High-Level Architecture

On-Prem Network

      │

Customer Edge Router (CE)

      │

Service Provider/MPLS

      │

Provider Edge Router (PE)

      │

ExpressRoute Circuit

      │

Microsoft Enterprise Edge (MSEE)

      │

Azure Virtual Network


Phase 1: Planning

Before configuration, determine:

Requirements

  • Region (e.g., East US, Central India)
  • Bandwidth (50 Mbps to 100 Gbps depending on provider)
  • Connectivity Provider
  • Redundancy requirements
  • Number of VNets
  • Global connectivity needs

Decide Connectivity Model

  • Provider-based ExpressRoute
  • ExpressRoute Direct
  • ExpressRoute Local
  • ExpressRoute Global Reach


These are different ExpressRoute connectivity models that determine how you connect to Microsoft's network and what services you can reach.

1. Provider-Based ExpressRoute (Most Common)

This is the model used by most organizations.

Architecture

Your Datacenter

      │

Customer Router

      │

Telecom Provider/MPLS

      │

Provider Edge

      │


Comments

Post a Comment

Popular posts from this blog

Azure Migrate

Image
 Azure Site Recovery an earlier tool for migration: Thought purpose built for Disaster Recovery ASR: Azure Site Recovery Yes — Azure Site Recovery (ASR) is commonly used as a migration tool , even though its primary purpose is disaster recovery. How ASR Is Used for Migration Organizations use ASR to perform: Lift-and-shift migrations VMware to Azure migrations Hyper-V to Azure migrations Physical server to Azure migrations ASR replicates workloads continuously from on-premises infrastructure to Azure. During the final cutover, the replicated VM is started in Azure with minimal downtime. Migration Workflow Using ASR Typical Flow Discover on-prem servers Enable replication Continuous data synchronization Test failover (optional) Planned failover/cutover Azure VM becomes production workload This approach minimizes: Downtime Data loss Manual rebuild effort Why ASR Is Popular for Migration ASR vs Azure Migrate Real-World Use Case Example: Company has 200 VMware VMs on-premises. The...
Read more

Azure -- All Networking Components

   1. Virtual Network (VNet) 📌 One-paragraph explanation A Virtual Network (VNet) is the core private networking space in Azure where all cloud resources communicate securely. It is used to isolate workloads, control IP ranges, and create a private environment similar to a traditional data center network but fully software-defined in the cloud. 🔍 Details Where used: Hosting VMs, AKS clusters, databases, internal services Connected services: VM, Load Balancer, Application Gateway, Azure Firewall, Private Endpoint Dependencies: None (foundation component) Purpose in architecture: Acts as the main “network boundary” for all resources 🧩 2. Subnet 📌 One-paragraph explanation A subnet is used to divide a VNet into smaller logical networks so that different layers of an application (web, app, database) can be separated and controlled independently for security and traffic management. 🔍 Details Where used: Tiered architectures (web/app/db layers), microse...
Read more

All Kuberneters - Components

  Kubernetes Core Resources Explained 1. Pods What It Is A Pod is the smallest deployable unit in Kubernetes. It contains one or more containers that share: Network Storage Lifecycle Used For Running application containers Grouping tightly coupled containers together Example A web application container running inside a pod. 2. Deployments What It Is A Deployment manages Pods and ReplicaSets. Used For Rolling updates Application version upgrades Scaling applications Self-healing applications Example Deploying 3 replicas of an NGINX application. 3. ReplicaSets What It Is A ReplicaSet ensures a specified number of pod replicas are always running. Used For High availability Maintaining desired pod count Example Keeping 5 backend pods running at all times. 4. DaemonSets What It Is A DaemonSet ensures one pod runs on every node (or selected nodes). Used For Monitoring agents Log collectors Security agents Example Running Fluentd or Prometheus Node Exporter on all nodes. 5. StatefulSets W...
Read more