As you may know, Microsoft has released a solution allowing you to remotely connect with RDP or SSH to your virtual machines running on Azure without being obliged to have a public IP (and corresponding ports opened) called Azure Bastion (see https://t.co/UBOCpnMD2k)
Well, until know, if you had multiple Vnets, you had to deploy Bastion for each Vnets – even if they are peered with each other.
Good news, you can now use Azure Bastion to connect any virtual machine no matter to which Vnet they are connected to.
You have nothing to enable or implement – except off course 1 Azure Bastion instance and have the Vnet peered.
Few things: