virtualization:cloud:azure
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| virtualization:cloud:azure [2023/09/20 15:41] – jotasandoku | virtualization:cloud:azure [2025/01/14 15:02] (current) – [Route Propagation] jotasandoku | ||
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| **[[https:// | **[[https:// | ||
| - | * VNET | + | * VNET : Azure virtual networks |
| - | * VPN GATEWAY / EXPRESS ROUTE | + | * VPN Network Gateway |
| + | * EXPRESS ROUTE | ||
| + | * Azure Firewall | ||
| + | * Virtual HUb (~AWS TGW) | ||
| + | * Cross VNET peering | ||
| + | * Azure virtual NAT | ||
| + | * Azure virtual WAN | ||
| + | * Azure Load Balancer | ||
| + | * Traffic Manager | ||
| + | * Azure Application gateway | ||
| + | * NVA in Virtual Hub - see [[https:// | ||
| * Resource manager (is the infrastructure tool ~ cloud formation) | * Resource manager (is the infrastructure tool ~ cloud formation) | ||
| * Subscription (~account) | * Subscription (~account) | ||
| * They have ' | * They have ' | ||
| - | ACTIVE DIRECTORY IN AZURE - ENTRA ID : | + | |
| - | \\ | + | ---- |
| + | === Azure specific concepts === | ||
| + | * Management groups > Subscriptions > Resource groups ( see [[https:// | ||
| + | * SKU (from the classical sku ) : Is the specific version or offering of a resource (vms, storage accounts, databases, | ||
| + | |||
| + | |||
| + | |||
| + | ---- | ||
| + | ACTIVE DIRECTORY IN AZURE - named ENTRA ID : [[https:// | ||
| + | |||
| + | |||
| + | ===== Azure Networking Overview (Webinar: 2021-04-08) ===== | ||
| + | |||
| + | ===== General Notes ===== | ||
| + | * No IPv6 support. | ||
| + | * Hub-and-spoke topology is supported. | ||
| + | * VNet transit (similar to OCI’s VCN transit). | ||
| + | |||
| + | ===== Virtual Hubs ===== | ||
| + | * Most Azure **networking** relies on **Virtual Hubs**. | ||
| + | * A virtual hub is essentially a VNet implemented with a group of Windows servers performing routing functions. | ||
| + | * [[https:// | ||
| + | * **Virtual WANs and Hubs**: | ||
| + | * Traffic traversing virtual hubs incurs charges based on **time**, not traffic volume (to be confirmed). | ||
| + | * Virtual hubs bind different regions, offering cost efficiency. | ||
| + | * Functionality is similar to AWS Transit Gateway but with worse performance. | ||
| + | |||
| + | ===== Key Commands ===== | ||
| + | * **View NIC Route Tables**: | ||
| + | * Command: `az network nic show-effective-route-table` | ||
| + | * Example from Webinar (Slide 18): Shows route table for a NIC. | ||
| + | |||
| + | ===== Route Propagation ===== | ||
| + | * Virtual hubs propagate routes and manage connectivity automatically. | ||
| + | * Unlike AWS Transit Gateway, which requires manual static route configuration. | ||
| + | * **Labels** (similar to MPLS Route Targets) can control propagation between route tables (Slide 20). | ||
| + | * **AS-Prepending** is the only way to influence route preferences (similar to OCI). | ||
| + | |||
| + | ===== Terraform Notes ===== | ||
| + | * `for_each` only works with dictionaries, | ||
| + | * Lists must be converted for usage (Slides 27-28). | ||
| + | * Terraform code for multiple VRFs: | ||
| + | * Forwarding is separated but cannot duplicate IP blocks. | ||
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