Networking

The Networking forum covers all aspects of Networking in Azure, including endpoints, load-balancing, network security, DNS, Traffic Manager, virtual networks, and external connectivity.

Virtual Network:

  • Service overview

  • Technical documentation

  • Pricing details
  • Traffic Manager:

  • Service overview

  • Technical documentation

  • Pricing details
  • Network Watcher:

  • Service overview

  • Technical documentation

  • Pricing details
  • If you have any feedback on any aspect of Azure relating to Networking, we’d love to hear it.

    • Hot ideas
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    1. VM MAC address spoofing

      I wanted to run multiple LXC/LXD containers on a single Linux VM and make them exposed to VNET via a bridged interface to provide services in the private network. That's not possible without VM/VNIC ability of MAC address spoofing. Please support it.

      69 votes
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      under review  ·  3 comments  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
    2. Create a UDR nextHopType VnetPeering

      At the moment there is no way to set a UDR route entry nextHopType to Vnet Peering. This makes it cumbersome to overwrite standard routes to force them through for instance a virtual firewall.

      For instance, I would like to be able to route a full VNET peered address space to a Virtual Firewall NIC IP, and then make a more specific route for the subnet of the Virtual NIC pointing to VnetPeering. At the moment you will have to keep the standard created address space summary and create multiple specific routes for all the other subnets.

      3 votes
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      triaged  ·  2 comments  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
    3. Specify internal IP address during creating VM on Azure Portal

      We cannot specify internal IP address during creating VM on Azure Portal, so it's required to specify IP address after VM creation. We want to specify internal IP address during creating VM on Azure Portal.

      10 votes
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      0 comments  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
    4. Allow a UDR to specify any routable "next hop" IP address (not limited to the VNet or Region)

      It would be great if a UDR could point to an IP in another region or on-premises via ExpressRoute. The problem today is that If someone invests in a NGFW virtual appliance, it can only be used from the VNet where it exists or others that are peered to it within the same region. A UDR should be able to route to any routable address... why not?

      10 votes
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      1 comment  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
    5. Ability to move a NIC from one VNET to another.

      Could we get the ability to detach a NIC from it's current VNET and reattach it to a different VNET? In my case, I accidentally created a new VNET instead of attaching it to a pre-existing one, and it would be more convenient to move it over instead of recreating the NIC.

      54 votes
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      2 comments  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
    6. Offer NAT as a Service

      There is often the need to connect two or more networks with overlapping addresses over a VPN in regulated industries. The address spaces (often 10.0.0.0/8) can't be changed, however a DMZ subnet can be introduced in each network from the 172.16.0.0/12 address space. The DMZ subnets will not overlap between any network.

      Just like the load balancer, make a NAT device a first class function citizen in virtual networking and allow us to define SNAT, DNAT or Full NAT. Feel free to require a dedicated subnet for the device.

      Then make it easier for custom route rules to route traffic…

      308 votes
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      11 comments  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
    7. Automatically add Web hosting plan services to virtual network

      I pretty much want to keep storage, SQL database, web app, VMs, and any other service I use within a private network to keep granular control of which services can connect to other services. The "open to all" connection strings to all services is a hard sell to any organization used to securing their IT behind firewalls and networks of networks. Where are you on this today? It must be considered a less secure since these connection strings always tend to leak..

      10 votes
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      1 comment  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
    8. Direct Peering of East Asia (Hong Kong) with China Telecom AS4809 next generation backbone

      the Hongkong Datacenter should establish a direct Peering with China telecom's AS4809 next generation backbone.

      Currently the latency to China is ridiculous high with 40-50ms to Shenzhen / Dongguan area which makes it to slow for some real time applications.

      Rackspace Hongkong for example have a direct peering with CT's AS4809 and the latency is just 7-9ms to their datacenter which is perfect.

      8 votes
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      0 comments  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
    9. Azure Internal Endpoints to Vnet

      Please provide Azure Services with an Internal Endpoint (a least Azure Storage and Azure Backup) to build up machines without Internet Connection.

      47 votes
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      3 comments  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
    10. Multiple Network Security Groups per subnet

      Provide ability to associate multiple Network Security Groups with a single subnet. Right now there is limitation to associate only one NSG per subnet.

      This limits reusability of NSGs which are created at subscription level. We have come across use-cases where multiple subnets have common rules and few subnet-specific rules.

      It will be help a lot in terms of rules management and reusability if it is possible to segregate common rules across subnets in an NSG which can them be applied on a subnet with additional NSGs for subnet specific rules.

      99 votes
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      0 comments  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
    11. Allow DNS servers to be advertised per subnet instead of VNET

      Instead of advertising the DNS servers per VNET, is there anyway we can specify what DNS servers should be advertised per subnet? In most cases, I would create a VNET and use NSGs to segregate out my traffic.

      The problem with specifying the DNS servers for the whole VNET, is now I am required to create a completely separate VNET for a DMZ, as my internal DNS servers are being advertised to those machines. In this case, being able to specify DNS servers at a subnet level will allow more flexibility in regards to creating one VNET instead of multiple…

      551 votes
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      20 comments  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
    12. subnet expansion

      It would be nice if you could expand a subnet without having to remove all of the cloud services and VMs from the subnet. In our case we will have to destroy all of our subnets to expand one subnet. This is very inconvenient (yes we opened a support ticket).

      Additionally, make the tool available that the internal Microsoft support people use that creates a nice table of the various components of the subscription (I don't need to know datacenter, node, cluster). I've only seen snippets of the tables, but they are better than what I am getting from either…

      33 votes
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      1 comment  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
    13. IP and domain restrictions - add posibility to configure it in Portal

      Instead of configuring IP and domain access restrictions in web.config like described here: http://azure.microsoft.com/blog/2013/12/09/ip-and-domain-restrictions-for-windows-azure-web-sites/ , it would be nice to add posibility to set restrictions somewhere in Portal.

      3 votes
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      0 comments  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
    14. Enable a VM to move between cloud service and VMNet AFTER VM creation

      At present, if you create a VM and THEN want to put it into a vmnet, you must destroy the VM then recreate it (keeping the same disk). This is quite wasteful and slow. Please provide the feature to 'move' a vm between a cloud service and a vmnet with minimal downtime.

      24 votes
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      0 comments  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
    15. Control Whether Secondary NICs get Gateway & DNS settings from DHCP.

      Generally we do not want 2 gateways on a server. Allow us to control whether secondary NICs receive Gateway and DNS settings. Generally all we really want is an IP address and Subnet Mask on a secondary NIC for communication on a Private Network within the same subnet.

      8 votes
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      0 comments  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
    16. Simplify creation and visualization of Azure VNET's

      Creating a virtual network that spans an on-premise deployment and more than 1 Azure datacenter is a pain and not easy to "see" if all thing are lined up correctly. Building a network like this shouldn't require importing or exporting files and running powershell commands if you don't want to. Would be great it was like using Visio (Drag, Drop, Pipe). Then use that same view to see the overall health, speed, and usage in real time on that network.

      187 votes
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      0 comments  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →

      Hey Conrad,

      This is an amazing idea! For now, this tool can help you view and interact with your network: https://marketplace.visualstudio.com/items?itemName=bencoleman.armview.

      Additionally, documentation for Network Watcher topology view can be found here: https://docs.microsoft.com/en-us/azure/network-watcher/view-network-topology. I will forward your suggestion that this be made more interactive.

      Best,
      Allegra [MSFT]

    17. Please add port-mirroring to Azure to enable DLP and logging applications

      We would like a virtual span port or port-mirroring ability

      375 votes
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      13 comments  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
    18. change virtual machine virtual network through portal

      Today, I needed to change a virtual network to a existing Virtual Machine. I had to delete this VM, create a new one using attached disks from the old one and set the Virtual Network. It would be nice if we had another way to do that, using Portal for example.

      747 votes
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      16 comments  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
    19. Allow custom DNS search domain for virtual networks

      Thanks for recently adding the ability to specify custom DNS servers for virtual networks.
      I assume this is implemented with DHCP.
      We are unfortunately not able to rely on this feature yet because we also set a custom DNS domain search.
      This can be done with DHCP option 119, and this is how we have our non-Azure LAN configured.

      13 votes
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      1 comment  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
    20. Possibility to set a DNS Suffix on Azure networks (like DNS Servers)

      There are many scenarios for Virtual Machines (and Other maybe) where NIC settings are cleared (VM Deallocated). DNS Servers can be set on Azure Network, and this VM will have DNS Servers settings via DHCP. But we have to set DNS Suffix manually each time, or set a script automatically at each boot.
      The idea is just to have a way to set a suffix DNS for VM Networks, with the same way as DNS Servers. With this settings, DHCP will assign DNS suffix to all VM automatically.

      315 votes
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      10 comments  ·  Virtual Network  ·  Flag idea as inappropriate…  ·  Admin →
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