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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:

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  • Technical documentation

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  • Traffic Manager:

  • Service overview

  • Technical documentation

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  • 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.

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    1. private peering Route filter to on-prem

      Hello Team,

      Now ER does not have function that limit the BGP route advertisement.
      Can we have route filter to on-prem so that we can choose which route need to be advertised?

      Thanks!

      2 votes
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      0 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →
    2. Express Route permissions are not configure properly from MS side

      This is a permission issue. when a service principal is giving read access on express route circuit, it's able to list all route for private connection using CLI and Powershell commands along with the ability to see it directly from the azure portal. However, it's not able to list the route using Rest calls. This issue basically means that permissions across express route are not configured properly. We need a work around it.

      TrackingID#2103250040004859

      1 vote
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      0 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →
    3. Manual injecting routes to the Expressroute

      I hope there would be a manual way to inject route on the Expressroute going to onprem.

      We hit a limitation where we cannot route the subnet our remote VNET in South Africa because its using its own Gateway subnet to our Singapore on prem that has expressroute. Routing is not very flexible with this

      This would have complimented the UDR function in Azure

      4 votes
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      0 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →
    4. Oracle

      Trying to configure fastconnect-expressroute for Oracle OCI, which is supposedly supported, but not finding the values for PeeringLocation and ServiceProviderName. Would you please update the lists? Anyone?

      Thank you and regards

      1 vote
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      0 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →
    5. ExpressRoute routing tables should return standardized data

      When querying the route tables on a Private Peer (via Portal, Powershell or Azure CLI) the routes returned can vary depending on location - presumably because there are different platforms providing these tables:

      e.g. for a default route advertised from on-premises to the MSEE:

      EASTUS2 returns 0.0.0.0
      CENTRALUS returns 0.0.0.0/0/

      The different formats make automating route discovery/confirmation a pain - the API should normalize this data so the tables are consistent regardless of the underlying platform's own formatting nuances.

      2 votes
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      0 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →
    6. ExpressRoute subnet overlapping error message

      I was adding multiple vnets to an express route to our local office network.
      When creating a virtual network it auto creates a fixed gateway subnet of 10.1.0.0/24, and when you connect multiple of these to an express route using a virtual network gateway AND a 'connection' the fact that another virtual network gateway was overlapping is quite hidden.

      Currently when creating a connection with a vnet that overlaps an already connected one, it fails with this error message:
      ErrorMessage: An internal error has occurred. , DEBUG Message: Unable to connect Virtual network vn-sea-btg-prod-myfloor-arm to circuit. One or more existing…

      4 votes
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      0 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →
    7. Offers BGP prefix/route summary at Microsoft Enterprise Edge (MSEE) ExpressRoute routers

      There is an urgent business need to summarize BGP prefix/route at MSEEs before being propagate to its peers at remote sites i.e. Cloud Gateway Access (CGA) routers in relation to Express Route service (as there is vary limit of allowable prefix entry set at remote CGA routers i.e. default 20 in some case).

      This BGP prefix summarization helps reduce the need of large number of prefix entries to be broadcasted from Azure to CGA especially for business case that have large number of spoke VNETs (Hub and Spoke model) leveraging on granular address space of a large prefix.

      For example,…

      391 votes
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      6 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →

      Thanks for the valid suggestion. Your feedback is now open for the user community to upvote which allows us to effectively prioritize your request against our existing feature list and also gives us insight into the potential impact of implementing the suggested feature

    8. Increase ExpressRoute Gateway related 200 routes BGP limitation

      Currently there is a limitation which cause service disruption if the number of propagated routes by a single ER gateway reach 200 (the connection will be shutoff). This limit is too low. The routes are related to the vnets peered to the "hub" vnet which has the ER gw and its per address space and not per peered vnet.

      3 votes
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      0 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →
    9. Support QoS on Express Route

      We have two units both consume IaaS, we would like to enforce 50mbps Max bandwidth consumption for business unit1 and 500mbps for unit 2.
      Without creating additional VRF.

      3 votes
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      0 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →
    10. Direct BGP connectivity from MSEE to HUB CSRs are from VPN gateway to HUB CSRs

      Hub CSRs router connectivity at Expressroute or VPN gateway usefull for primary connection failover and ECMP BGP. Both type useable in VPN gateway will be usefull for Dynamic Routing..

      1 vote
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      0 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →
    11. Distribution Percentage by Service of ExpressRoute with Microsoft Peering

      I need the ability to granularly monitor the percentage of total bandwidth used by services on my ExpressRoute links. I have Microsoft Peering with no private \ public peering. I want to know what percentage of the ExpressRoute is consumed by O365 vs. PaaS vs. IaaS and from what I can tell the ability to do that does not exist. I’ve tried NSG flow logs on my edge NVAs to answer the IaaS question but I still need to understand the percentages used by the remaining services for showback \ chargeback.

      NPM bandwidth distribution only works with private peering, not…

      86 votes
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      triaged  ·  2 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →
    12. Support macsec dot1q-in-clear on ExpressRoute Direct

      If you can add support for macsec dot1q-in-clear on ExpressRoute Direct, it would be EXTREMELY beneficial.

      The dot1q-in-clear option makes it possible to use MACSEC over MegaPort using tagged ports. It also makes it possible for MACSEC to transparently flow across Ethernet over MPLS, EPL, and other forms of metro ethernet.

      Not supporting dot1q-in-clear drives up our costs and take away quite a bit of flexibility.

      It would be even better if you could set up dot1q-in-clear support with connectivity providers.

      MACSEC is important because we do not want to trust MegaPort, and MACSEC adds truly negligible latency whereas IPSEC…

      1 vote
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      0 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →
    13. ExpressRoute: support Active/Standby traffic control in MS peering without global ASN

      In Microsoft Peering, azure expressroute currently allows customers to use AS-PATH prepend to control traffic.
      However, it works only customer uses global ASN. For customer who doesn't own global ASN, please consider the following options

      1. allow to use private ASN for AS-PATH prepend
      2. take customer's MED attribute to control traffic
      43 votes
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      0 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →
    14. When is Express Route Global Reach going to be available for Brazil South?

      We want to move away from traditional MPLS circuits and move our company to ExpressRoute Global Reach, but it's not available in Brazil South, when is it going to be available?

      1 vote
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      0 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →
    15. Grant the ability to add and advertise static routes from an Express Route gateway

      We have a scenario where we would like to use an NVA as a gateway in between both our on premise and Express Route connected VNETs and a new VNET that is not directly peered with the Express Route gateway VNET.
      On Premise/Peered VNETS <----> ExprRt VNET<----> NVA VNET<---->NEW VNET
      Since the NEW VNET is not peered with the ExprRT VNET, the address space is not advertised down the express route to the on premise environment. We would like the ability to both add and advertise static routes from the express route gateway or via a UDR attached to the…

      83 votes
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      6 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →

      Thanks for the valid suggestion. Your feedback is now open for the user community to upvote which allows us to effectively prioritize your request against our existing feature list and also gives us insight into the potential impact of implementing the suggested feature

    16. Allow Bandwidth Traffic restriction (shaping) at VNET and/or VM layers to prevent maxing out Expressroute/MPLS for large data dumps

      We would like to control what VNET or individual VM's have for bandwidth over our Express Route. We have some large data dumps to Azure that overwhelm our ExpressRoute and our MPLS. So if we can pick a VM where it is going and only allow it to use say 30Mbps of bandwidth on the Express Route, it wouldn't use the whole 100Mbps that we have subscribed to for Azure. I would like to see it be a value that you can enter, versus a dropdown because it would be more customizable to certain situations. Same thing with a Vnet,…

      90 votes
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      6 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →

      Thanks for the valid suggestion. Your feedback is now open for the user community to upvote which allows us to effectively prioritize your request against our existing feature list and also gives us insight into the potential impact of implementing the suggested feature

    17. When will you be lighting Express Route at Markley Boston?

      Markley has over 400 Enterprise clients and many ask for Express Route

      1 vote
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      0 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →
    18. 26 votes
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      triaged  ·  0 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →
    19. Fix gaps in BGP and ARP availability metrics

      There are gaps in the metrics on our 3 ExpressRoute circuits, across two different service providers, for both BGP and ARP availability. With these gaps, monitoring at a granular level is not an option as it incorrectly represents availability at absurd numbers like 63% over the last 4 hours. Upon opening a support ticket, Microsoft determined this was a known issue and there is no timeline for a fix. I was also not given a way to track the status of this issue and was directed here to post feedback which could then allow the development team to provide updates.…

      3 votes
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      0 comments  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →
    20. Active-Active ExpressRoute Bandwidth

      This is not clear in the documentation - does a 1G active-active ExpressRoute support an aggregate of 2Gbps throughput?

      4 votes
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      1 comment  ·  ExpressRoute  ·  Flag idea as inappropriate…  ·  Admin →
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