Run the SQL Server Configuration Manager, expand SQL Server Network Configuration and select the protocols for appropriate instance. Double click TCP\IP to open the TCP\IP protocol properties. Select the IP Address tab and in IP All specify the port numbers separated by commas, for example: 1433,2433,2432. Ensure dynamic ports are disabled. Settings are shown in snapshot below:
I’ve started my own SQL blog. Hopefully I’ll write some interesting SQL blog posts here soon.