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azlin ip check

Check IP address classification and connectivity for VMs.

Synopsis

azlin ip check [VM_NAME]
azlin ip check --all

Description

Diagnoses VM IP configuration and connectivity: - Public vs private IP - Bastion requirement - Connectivity status - Network configuration

Options

Option Description
--all Check all VMs
-h, --help Show help

Examples

Check single VM

azlin ip check my-vm

Check all VMs

azlin ip check --all

Output Example

IP Diagnostics: my-vm

IP Configuration:
  Public IP:  20.123.45.67
  Private IP: 10.0.1.4
  Classification: Public (direct SSH)

Connectivity:
  SSH (port 22): ✓ Open
  HTTP (port 80): ✓ Open
  HTTPS (port 443): ✓ Open

Network:
  VNet: my-vnet
  Subnet: default
  NSG: my-nsg

Status: ✓ VM is directly accessible via SSH

Troubleshooting Guide

No public IP

IP Configuration:
  Public IP: None
  Private IP: 10.0.1.4
  Classification: Private (requires Bastion)

Status: ⚠ VM requires Azure Bastion for access

Solution: Use Bastion or assign public IP 

# Use Bastion
azlin bastion setup
azlin connect my-vm

# Or assign public IP (if allowed by policy)

Port blocked

Connectivity:
  SSH (port 22): ✗ Blocked

Solution: Check NSG rules 

az network nsg rule list --nsg-name my-nsg -g my-rg