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.

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

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    1. Support IPv6 Throughout the Azure Platform

      IPv6 has been a standard for years and ISPs are starting to roll out native IPv6 stacks to consumers. The time is now to support IPv6.

      1,320 votes
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        60 comments  ·  IPv6  ·  Flag idea as inappropriate…  ·  Admin →
      • Allow IPv6 VIPs - Charge for *blocks of* IPv6 addreses

        It would be nice if we could purchase elastic IPv6 blocks of IPs, then when setting up an endpoint for a VM we could select the specific IP from the block for the endpoint.

        47 votes
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          0 comments  ·  IPv6  ·  Flag idea as inappropriate…  ·  Admin →

          We currently offer the option of reserving single IPv4 public addresses. Reservation of blocks of IPv4 and IPv6 public addresses is, unfortunately, still in work- we apologize for the delay.

          On a related topic, Azure now offers load-balanced, dual-stack (IPv4+IPv6) Internet connectivity for Azure VMs. This native IPv6 connectivity (TCP, UDP, HTTP…inbound and outbound initiated) all the way to the VM enables a broad range of service architectures. IPv6 for Azure VMs is available now in most Azure regions. Data transfers over IPv6 are billed at the same rates as IPv4. For more information, please visit this Overview of IPv6 for Azure Load Balancer: https://azure.microsoft.com/en-us/documentation/articles/load-balancer-ipv6-overview/

        • Make all services available with IPv6 addresses.

          IPv4 addresses are running out and Azure has had a lot of problems with this, resolved by buying IPv4 address pools at a significant cost.
          Some users and cloud deployments only require connectivity with on premises networks (either IPv4 or IPv6, not both).
          Make IPv6 available for all services and allow the option of choosing what type of addresses are required (IPv4+IPv6 or IPv6 only).
          Also, consider:
          ● Giving each cloud service a /60 (or bigger) instead of a /64;
          ● Making IPv6 addresses static, since pool depletion is no longer an issue.

          43 votes
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            1 comment  ·  IPv6  ·  Flag idea as inappropriate…  ·  Admin →

            This is closely related to the suggestion “Support IPv6 Throughout the Azure Platform” but we’re taking this suggestion as ensuring ALL the various Azure services (Storage, etc.) offer IPv6 connectivity.

            A step towards this goal is the IPv6 connectivity now available for Azure VM’s. Azure now offers load-balanced, dual-stack (IPv4+IPv6) Internet connectivity for Azure VMs. This native IPv6 connectivity (TCP, UDP, HTTP…inbound and outbound initiated) all the way to the VM enables a broad range of service architectures. IPv6 for Azure VMs is available now in most Azure regions. Data transfers over IPv6 are billed at the same rates as IPv4. For more information, please visit this Overview of IPv6 for Azure Load Balancer: https://azure.microsoft.com/en-us/documentation/articles/load-balancer-ipv6-overview/

            Please add suggestions for specific scenario/service you need IPv6 enabled to help guide our prioritization and work?

            Many thanks,
            The Azure Networking IPv6 feature team

          • Support ipv6 for microsoft peering and receive IPv4 subnets over it

            Allow users to create microsoft peering using IPv6 and receive/advertise IPv4 subnets over it. This will save some IPv4 subnets for us.

            3 votes
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              unplanned  ·  1 comment  ·  IPv6  ·  Flag idea as inappropriate…  ·  Admin →
            • 3 votes
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                0 comments  ·  IPv6  ·  Flag idea as inappropriate…  ·  Admin →
              • add support of '--idle-timeout' for "az network lb rule update -g lwm2m6 --lb-name lblwm2m6 --idle-timeout 30 -n IPv6Tcp80_8080"

                Want to configure '--idle-timeout':

                az network lb rule update -g lwm2m6 --lb-name lblwm2m6 --idle-timeout 30 -n IPv6Tcp80_8080

                1 vote
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                  0 comments  ·  IPv6  ·  Flag idea as inappropriate…  ·  Admin →
                • 1 vote
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                    2 comments  ·  IPv6  ·  Flag idea as inappropriate…  ·  Admin →

                    The suggestion seems to be a question about IPv6 clients accessing an IPv4-only VM. In Azure, IPv6 traffic from the internet is plumbed directly to native IPv6 endpoints on VMs. There are many advantages to this approach but one disadvantage is the VMs must have IPv6 endpoints and the applications must be IPv6-aware. In the example below, I would guess the web server has not been configured to monitor both the IPv4 and IPv6 endpoints on the VM but that is really a support question.
                    It is possible to translate between IPv4 and IPv6 (NAT64) which is not currently supported in Azure so we’ll take this suggestion as a vote for NAT64 support.

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