Dmg And Express Route In Azure
- Dmg And Express Route In Azure 2017
- Azure Express Route Connection
- Azure Express Route Security
- Dmg And Express Route In Azure Portal
- Dmg And Express Route In Azure India
- Azure Express Route Overview
- Dmg And Express Route In Azure Nj
Use a virtual private cloud for storage, backup, and recovery. ExpressRoute gives you a fast and reliable connection to Azure with bandwidths up to 100 Gbps, which makes it excellent for scenarios like periodic data migration, replication for business continuity, disaster recovery, and other high-availability strategies. Mar 17, 2017 Scenario. Azure Web App is connected to a VNET (VNET1) using Point-To-Site and then there is another VNET (VNET2) with Express route Gateway.Both VNET are in Azure. Note: This blog is only if requirement is to access resource in Azure VNET having ER gateway.
-->Azure Microsoft peering will provide access to services currently hosted on Azure (with geo-restrictions depending on your circuit's SKU). To validate availability for a specific service, you can check the documentation for that service to see if there is a reserved range published for that service. Microsoft Azure ExpressRoute provides a private, dedicated, high-throughput network connection between Microsoft Azure data centers and on-premises IT environments. ExpressRoute connections bypass the public Internet and offer more reliability, faster speeds, lower latencies and superior data privacy and security.
What is ExpressRoute?
ExpressRoute is an Azure service that lets you create private connections between Microsoft datacenters and infrastructure that’s on your premises or in a colocation facility. ExpressRoute connections do not go over the public Internet, and offer higher security, reliability, and speeds with lower latencies than typical connections over the Internet.
What are the benefits of using ExpressRoute and private network connections?
ExpressRoute connections do not go over the public Internet. They offer higher security, reliability, and speeds, with lower and consistent latencies than typical connections over the Internet. In some cases, using ExpressRoute connections to transfer data between on-premises devices and Azure can yield significant cost benefits.
Where is the service available?
See this page for service location and availability: ExpressRoute partners and locations.
How can I use ExpressRoute to connect to Microsoft if I don’t have partnerships with one of the ExpressRoute-carrier partners?
You can select a regional carrier and land Ethernet connections to one of the supported exchange provider locations. You can then peer with Microsoft at the provider location. Check the last section of ExpressRoute partners and locations to see if your service provider is present in any of the exchange locations. You can then order an ExpressRoute circuit through the service provider to connect to Azure.
How much does ExpressRoute cost?
Check pricing details for pricing information.
If I pay for an ExpressRoute circuit of a given bandwidth, does the VPN connection I purchase from my network service provider have to be the same speed?
No. You can purchase a VPN connection of any speed from your service provider. However, your connection to Azure is limited to the ExpressRoute circuit bandwidth that you purchase.
If I pay for an ExpressRoute circuit of a given bandwidth, do I have the ability to burst up to higher speeds if necessary?
Yes. ExpressRoute circuits are configured to allow you to burst up to two times the bandwidth limit you procured for no additional cost. Check with your service provider to see if they support this capability. This is not for a sustained period of time and is not guaranteed. If traffic flows through an ExpressRoute Gateway, the bandwidth for the sku is fixed and not burstable.
Can I use the same private network connection with virtual network and other Azure services simultaneously?
Yes. An ExpressRoute circuit, once set up, allows you to access services within a virtual network and other Azure services simultaneously. You connect to virtual networks over the private peering path, and to other services over the Microsoft peering path.
How are VNets advertised on ExpressRoute Private Peering?
The ExpressRoute gateway will advertise the Address Space of the Azure VNet, you can't include/exclude at the subnet level. It is always the VNet Address Space that is advertised. Also, if VNet Peering is used and the peered VNet has 'Use Remote Gateway' enabled, the Address Space of the peered VNet will also be advertised.
Can I filter routes coming from my on-premises network?
The only way to filter/include routes is on the on-premises edge router. User-defined Routes can be added in the VNet to affect specific routing, but this will be static and not part of the BGP advertisement.
Does ExpressRoute offer a Service Level Agreement (SLA)?
For information, see the ExpressRoute SLA page.
Dmg And Express Route In Azure 2017
Supported services
ExpressRoute supports three routing domains for various types of services: private peering, Microsoft peering, and public peering (deprecated).
Private peering
Supported:
- Virtual networks, including all virtual machines and cloud services
Azure Express Route Connection
Microsoft peering
If your ExpressRoute circuit is enabled for Azure Microsoft peering, you can access the public IP address ranges used in Azure over the circuit. Azure Microsoft peering will provide access to services currently hosted on Azure (with geo-restrictions depending on your circuit's SKU). To validate availability for a specific service, you can check the documentation for that service to see if there is a reserved range published for that service. Then, look up the IP ranges of the target service and compare with the ranges listed in the Azure IP Ranges and Service Tags – Public Cloud XML file. Alternatively, you can open a support ticket for the service in question for clarification.
Supported:
- Power BI - Available via an Azure Regional Community, see here for how to find out the region of your Power BI tenant.
- Azure Active Directory
- Azure DevOps (Azure Global Services community)
- Azure Public IP addresses for IaaS (Virtual Machines, Virtual Network Gateways, Load Balancers, etc)
- Most of the other Azure services are also supported. Please check directly with the service that you want to use to verify support.
Not supported:
- CDN
- Azure Front Door
- Multi-factor Authentication Server (legacy)
- Traffic Manager
Public peering
Public peering has been disabled on new ExpressRoute circuits. Azure services are now available on Microsoft peering. If you a circuit that was created prior to public peering being deprecated, you can choose to use Microsoft peering or public peering, depending on the services that you want.
For more information and configuration steps for public peering, see ExpressRoute public peering.
Why I see 'Advertised public prefixes' status as 'Validation needed', while configuring Microsoft peering?
Microsoft verifies if the specified 'Advertised public prefixes' and 'Peer ASN' (or 'Customer ASN') are assigned to you in the Internet Routing Registry. If you are getting the public prefixes from another entity and if the assignment is not recorded with the routing registry, the automatic validation will not complete and will require manual validation. If the automatic validation fails, you will see the message 'Validation needed'.
If you see the message 'Validation needed', collect the document(s) that show the public prefixes are assigned to your organization by the entity that is listed as the owner of the prefixes in the routing registry and submit these documents for manual validation by opening a support ticket as shown below.
Is Dynamics 365 supported on ExpressRoute?
Dynamics 365 and Common Data Service (CDS) environments are hosted on Azure and therefore customers benefit from the underlying ExpressRoute support for Azure resources. You can connect to its service endpoints if your router filter includes the Azure regions your Dynamics 365/CDS environments are hosted in.
Note
ExpressRoute Premium is not required for Dynamics 365 connectivity via Azure ExpressRoute.
Data and connections
Are there limits on the amount of data that I can transfer using ExpressRoute?
We do not set a limit on the amount of data transfer. Refer to pricing details for information on bandwidth rates.
What connection speeds are supported by ExpressRoute?
Supported bandwidth offers:
50 Mbps, 100 Mbps, 200 Mbps, 500 Mbps, 1 Gbps, 2 Gbps, 5 Gbps, 10 Gbps
Which service providers are available?
See ExpressRoute partners and locations for the list of service providers and locations.
Technical details
What are the technical requirements for connecting my on-premises location to Azure?
See ExpressRoute prerequisites page for requirements.
Are connections to ExpressRoute redundant?
Yes. Each ExpressRoute circuit has a redundant pair of cross connections configured to provide high availability.
Will I lose connectivity if one of my ExpressRoute links fail?
You will not lose connectivity if one of the cross connections fails. A redundant connection is available to support the load of your network and provide high availability of your ExpressRoute circuit. You can additionally create a circuit in a different peering location to achieve circuit-level resilience.
How do I implement redundancy on private peering?
Multiple ExpressRoute circuits from different peering locations can be connected to the same virtual network to provide high-availability in the case that a single circuit becomes unavailable. You can then assign higher weights to the local connection to favor prefer a specific circuit. It is strongly recommended that customers setup at least two ExpressRoute circuits to avoid single points of failure.
See here for designing for high availability and here for designing for disaster recovery.
How I do implement redundancy on Microsoft peering?
It is highly recommended when customers are using Microsoft peering to access Azure public services like Azure Storage or Azure SQL, as well as customers that are using Microsoft peering for Office 365 that they implement multiple circuits in different peering locations to avoid single points of failure. Customers can either advertise the same prefix on both circuits and use AS PATH prepending or advertise different prefixes to determine path from on-premises.
See here for designing for high availability.
How do I ensure high availability on a virtual network connected to ExpressRoute?
You can achieve high availability by connecting ExpressRoute circuits in different peering locations (for example, Singapore, Singapore2) to your virtual network. If one ExpressRoute circuit goes down, connectivity will fail over to another ExpressRoute circuit. By default, traffic leaving your virtual network is routed based on Equal Cost Multi-path Routing (ECMP). You can use Connection Weight to prefer one circuit to another. For more information, see Optimizing ExpressRoute Routing.
How do I ensure that my traffic destined for Azure Public services like Azure Storage and Azure SQL on Microsoft peering or public peering is preferred on the ExpressRoute path?
You must implement the Local Preference attribute on your router(s) to ensure that the path from on-premises to Azure is always preferred on your ExpressRoute circuit(s).
See additional details here on BGP path selection and common router configurations.
If I'm not co-located at a cloud exchange and my service provider offers point-to-point connection, do I need to order two physical connections between my on-premises network and Microsoft?
If your service provider can establish two Ethernet virtual circuits over the physical connection, you only need one physical connection. The physical connection (for example, an optical fiber) is terminated on a layer 1 (L1) device (see the image). The two Ethernet virtual circuits are tagged with different VLAN IDs, one for the primary circuit, and one for the secondary. Those VLAN IDs are in the outer 802.1Q Ethernet header. The inner 802.1Q Ethernet header (not shown) is mapped to a specific ExpressRoute routing domain.
Can I extend one of my VLANs to Azure using ExpressRoute?
No. We do not support layer 2 connectivity extensions into Azure.
Can I have more than one ExpressRoute circuit in my subscription?
Yes. You can have more than one ExpressRoute circuit in your subscription. The default limit is set to 10. You can contact Microsoft Support to increase the limit, if needed.
Can I have ExpressRoute circuits from different service providers?
Yes. You can have ExpressRoute circuits with many service providers. Each ExpressRoute circuit is associated with one service provider only.
I see two ExpressRoute peering locations in the same metro, for example, Singapore and Singapore2. Which peering location should I choose to create my ExpressRoute circuit?
If your service provider offers ExpressRoute at both sites, you can work with your provider and pick either site to set up ExpressRoute.
Can I have multiple ExpressRoute circuits in the same metro? Can I link them to the same virtual network?
Yes. You can have multiple ExpressRoute circuits with the same or different service providers. If the metro has multiple ExpressRoute peering locations and the circuits are created at different peering locations, you can link them to the same virtual network. If the circuits are created at the same peering location, you can link up to 4 circuits to the same virtual network.
Azure Express Route Security
How do I connect my virtual networks to an ExpressRoute circuit
The basic steps are:
- Establish an ExpressRoute circuit and have the service provider enable it.
- You, or the provider, must configure the BGP peering(s).
- Link the virtual network to the ExpressRoute circuit.
For more information, see ExpressRoute workflows for circuit provisioning and circuit states.
Are there connectivity boundaries for my ExpressRoute circuit?
Yes. The ExpressRoute partners and locations article provides an overview of the connectivity boundaries for an ExpressRoute circuit. Connectivity for an ExpressRoute circuit is limited to a single geopolitical region. Connectivity can be expanded to cross geopolitical regions by enabling the ExpressRoute premium feature.
Can I link to more than one virtual network to an ExpressRoute circuit?
Yes. You can have up to 10 virtual networks connections on a standard ExpressRoute circuit, and up to 100 on a premium ExpressRoute circuit.
I have multiple Azure subscriptions that contain virtual networks. Can I connect virtual networks that are in separate subscriptions to a single ExpressRoute circuit?
Yes. You can link up to 10 virtual networks in the same subscription as the circuit or different subscriptions using a single ExpressRoute circuit. This limit can be increased by enabling the ExpressRoute premium feature.
For more information, see Sharing an ExpressRoute circuit across multiple subscriptions.
I have multiple Azure subscriptions associated to different Azure Active Directory tenants or Enterprise Agreement enrollments. Can I connect virtual networks that are in separate tenants and enrollments to a single ExpressRoute circuit not in the same tenant or enrollment?
Yes. ExpressRoute authorizations can span subscription, tenant, and enrollment boundaries with no additional configuration required.
For more information, see Sharing an ExpressRoute circuit across multiple subscriptions.
Are virtual networks connected to the same circuit isolated from each other?
No. From a routing perspective, all virtual networks linked to the same ExpressRoute circuit are part of the same routing domain and are not isolated from each other. If you need route isolation, you need to create a separate ExpressRoute circuit.
Can I have one virtual network connected to more than one ExpressRoute circuit?
Yes. You can link a single virtual network with up to four ExpressRoute circuits in either the same or different peering locations.
Can I access the Internet from my virtual networks connected to ExpressRoute circuits?
Yes. If you have not advertised default routes (0.0.0.0/0) or Internet route prefixes through the BGP session, you can connect to the Internet from a virtual network linked to an ExpressRoute circuit.
Can I block Internet connectivity to virtual networks connected to ExpressRoute circuits?
Yes. You can advertise default routes (0.0.0.0/0) to block all Internet connectivity to virtual machines deployed within a virtual network and route all traffic out through the ExpressRoute circuit.
If you advertise default routes, we force traffic to services offered over Microsoft peering (such as Azure storage and SQL DB) back to your premises. You will have to configure your routers to return traffic to Azure through the Microsoft peering path or over the Internet. If you've enabled a service endpoint for the service, the traffic to the service is not forced to your premises. The traffic remains within the Azure backbone network. To learn more about service endpoints, see Virtual network service endpoints
Can virtual networks linked to the same ExpressRoute circuit talk to each other?
Yes. Virtual machines deployed in virtual networks connected to the same ExpressRoute circuit can communicate with each other.
Can I use site-to-site connectivity for virtual networks in conjunction with ExpressRoute?
Yes. ExpressRoute can coexist with site-to-site VPNs. See Configure ExpressRoute and site-to-site coexisting connections.
Why is there a public IP address associated with the ExpressRoute gateway on a virtual network?
The public IP address is used for internal management only, and does not constitute a security exposure of your virtual network.
Are there limits on the number of routes I can advertise?
Yes. We accept up to 4000 route prefixes for private peering and 200 for Microsoft peering. You can increase this to 10,000 routes for private peering if you enable the ExpressRoute premium feature.
Are there restrictions on IP ranges I can advertise over the BGP session?
We do not accept private prefixes (RFC1918) for the Microsoft peering BGP session. We accept any prefix size (up to /32) on both the Microsoft and the private peering.
What happens if I exceed the BGP limits?
BGP sessions will be dropped. They will be reset once the prefix count goes below the limit.
What is the ExpressRoute BGP hold time? Can it be adjusted?
The hold time is 180. The keep-alive messages are sent every 60 seconds. These are fixed settings on the Microsoft side that cannot be changed. It is possible for you to configure different timers, and the BGP session parameters will be negotiated accordingly.
Can I change the bandwidth of an ExpressRoute circuit?
Yes, you can attempt to increase the bandwidth of your ExpressRoute circuit in the Azure portal, or by using PowerShell. If there is capacity available on the physical port on which your circuit was created, your change succeeds.
If your change fails, it means either there isn’t enough capacity left on the current port and you need to create a new ExpressRoute circuit with the higher bandwidth, or that there is no additional capacity at that location, in which case you won't be able to increase the bandwidth.
You will also have to follow up with your connectivity provider to ensure that they update the throttles within their networks to support the bandwidth increase. You cannot, however, reduce the bandwidth of your ExpressRoute circuit. You have to create a new ExpressRoute circuit with lower bandwidth and delete the old circuit.
How do I change the bandwidth of an ExpressRoute circuit?
You can update the bandwidth of the ExpressRoute circuit using the REST API or PowerShell cmdlet.
ExpressRoute premium
What is ExpressRoute premium?
ExpressRoute premium is a collection of the following features:
Increased routing table limit from 4000 routes to 10,000 routes for private peering.
Increased number of VNets and ExpressRoute Global Reach connections that can be enabled on an ExpressRoute circuit (default is 10). For more information, see the ExpressRoute Limits table.
Connectivity to Office 365
Global connectivity over the Microsoft core network. You can now link a VNet in one geopolitical region with an ExpressRoute circuit in another region.
Examples:- You can link a VNet created in Europe West to an ExpressRoute circuit created in Silicon Valley.
- On the Microsoft peering, prefixes from other geopolitical regions are advertised such that you can connect to, for example, SQL Azure in Europe West from a circuit in Silicon Valley.
How many VNets and ExpressRoute Global Reach connections can I enable on an ExpressRoute circuit if I enabled ExpressRoute premium?
The following tables show the ExpressRoute limits and the number of VNets and ExpressRoute Global Reach connections per ExpressRoute circuit:
| Resource | Default/maximum limit |
|---|---|
| ExpressRoute circuits per subscription | 10 |
| ExpressRoute circuits per region per subscription, with Azure Resource Manager | 10 |
| Maximum number of routes advertised to Azure private peering with ExpressRoute Standard | 4,000 |
| Maximum number of routes advertised to Azure private peering with ExpressRoute Premium add-on | 10,000 |
| Maximum number of routes advertised from Azure private peering from the VNet address space for an ExpressRoute connection | 200 |
| Maximum number of routes advertised to Microsoft peering with ExpressRoute Standard | 200 |
| Maximum number of routes advertised to Microsoft peering with ExpressRoute Premium add-on | 200 |
| Maximum number of ExpressRoute circuits linked to the same virtual network in the same peering location | 4 |
| Maximum number of ExpressRoute circuits linked to the same virtual network in different peering locations | 4 |
| Number of virtual network links allowed per ExpressRoute circuit | See the Number of virtual networks per ExpressRoute circuit table. |
Number of virtual networks per ExpressRoute circuit
| Circuit size | Number of virtual network links for Standard | Number of virtual network links with Premium add-on |
|---|---|---|
| 50 Mbps | 10 | 20 |
| 100 Mbps | 10 | 25 |
| 200 Mbps | 10 | 25 |
| 500 Mbps | 10 | 40 |
| 1 Gbps | 10 | 50 |
| 2 Gbps | 10 | 60 |
| 5 Gbps | 10 | 75 |
| 10 Gbps | 10 | 100 |
| 40 Gbps* | 10 | 100 |
| 100 Gbps* | 10 | 100 |
*100 Gbps ExpressRoute Direct Only
Note
Global Reach connections count against the limit of virtual network connections per ExpressRoute Circuit. For example, a 10 Gbps Premium Circuit would allow for 5 Global Reach connections and 95 connections to the ExpressRoute Gateways or 95 Global Reach connections and 5 connections to the ExpressRoute Gateways or any other combination up to the limit of 100 connections for the circuit.
How do I enable ExpressRoute premium?
ExpressRoute premium features can be enabled when the feature is enabled, and can be shut down by updating the circuit state. You can enable ExpressRoute premium at circuit creation time, or can call the REST API / PowerShell cmdlet.
How do I disable ExpressRoute premium?
You can disable ExpressRoute premium by calling the REST API or PowerShell cmdlet. You must make sure that you have scaled your connectivity needs to meet the default limits before you disable ExpressRoute premium. If your utilization scales beyond the default limits, the request to disable ExpressRoute premium fails.
Can I pick and choose the features I want from the premium feature set?
No. You can't pick the features. We enable all features when you turn on ExpressRoute premium.
How much does ExpressRoute premium cost?
Refer to pricing details for cost.
Do I pay for ExpressRoute premium in addition to standard ExpressRoute charges?
Yes. ExpressRoute premium charges apply on top of ExpressRoute circuit charges and charges required by the connectivity provider.
ExpressRoute Local
What is ExpressRoute Local?
ExpressRoute Local is a SKU of ExpressRoute circuit, in addition to the Standard SKU and the Premium SKU. A key feature of Local is that a Local circuit at an ExpressRoute peering location gives you access only to one or two Azure regions in or near the same metro. In contrast, a Standard circuit gives you access to all Azure regions in a geopolitical area and a Premium circuit to all Azure regions globally.
What are the benefits of ExpressRoute Local?
While you need to pay egress data transfer for your Standard or Premium ExpressRoute circuit, you don't pay egress data transfer separately for your ExpressRoute Local circuit. In other words, the price of ExpressRoute Local includes data transfer fees. ExpressRoute Local is a more economical solution if you have massive amount of data to transfer and you can bring your data over a private connection to an ExpressRoute peering location near your desired Azure regions.
What features are available and what are not on ExpressRoute Local?
Compared to a Standard ExpressRoute circuit, a Local circuit has the same set of features except:
- Scope of access to Azure regions as described above
- ExpressRoute Global Reach is not available on Local
ExpressRoute Local also has the same limits on resources (e.g. the number of VNets per circuit) as Standard.
Where is ExpressRoute Local available and which Azure regions is each peering location mapped to?
ExpressRoute Local is available at the peering locations where one or two Azure regions are close-by. It is not available at a peering location where there is no Azure region in that state or province or country. Please see the exact mappings on the Locations page.
ExpressRoute for Office 365
Office 365 was created to be accessed securely and reliably via the Internet. Because of this, we recommend ExpressRoute for specific scenarios. For information about using ExpressRoute to access Office 365, visit Azure ExpressRoute for Office 365.
How do I create an ExpressRoute circuit to connect to Office 365 services?
- Review the ExpressRoute prerequisites page to make sure you meet the requirements.
- To ensure that your connectivity needs are met, review the list of service providers and locations in the ExpressRoute partners and locations article.
- Plan your capacity requirements by reviewing Network planning and performance tuning for Office 365.
- Follow the steps listed in the workflows to set up connectivity ExpressRoute workflows for circuit provisioning and circuit states.
Important
Make sure that you have enabled ExpressRoute premium add-on when configuring connectivity to Office 365 services.
Dmg And Express Route In Azure Portal
Can my existing ExpressRoute circuits support connectivity to Office 365 services?
Yes. Your existing ExpressRoute circuit can be configured to support connectivity to Office 365 services. Make sure that you have sufficient capacity to connect to Office 365 services and that you have enabled premium add-on. Network planning and performance tuning for Office 365 helps you plan your connectivity needs. Also, see Create and modify an ExpressRoute circuit.
What Office 365 services can be accessed over an ExpressRoute connection?
Refer to Office 365 URLs and IP address ranges page for an up-to-date list of services supported over ExpressRoute.
How much does ExpressRoute for Office 365 services cost?
Office 365 services require premium add-on to be enabled. See the pricing details page for costs.
What regions is ExpressRoute for Office 365 supported in?
See ExpressRoute partners and locations for information.
Can I access Office 365 over the Internet, even if ExpressRoute was configured for my organization?
Yes. Office 365 service endpoints are reachable through the Internet, even though ExpressRoute has been configured for your network. Please check with your organization's networking team if the network at your location is configured to connect to Office 365 services through ExpressRoute.
How can I plan for high availability for Office 365 network traffic on Azure ExpressRoute?
See the recommendation for High availability and failover with Azure ExpressRoute
Can I access Office 365 US Government Community (GCC) services over an Azure US Government ExpressRoute circuit?
Yes. Office 365 GCC service endpoints are reachable through the Azure US Government ExpressRoute. However, you first need to open a support ticket on the Azure portal to provide the prefixes you intend to advertise to Microsoft. Your connectivity to Office 365 GCC services will be established after the support ticket is resolved.
Route filters for Microsoft peering
I am turning on Microsoft peering for the first time, what routes will I see?
You will not see any routes. You have to attach a route filter to your circuit to start prefix advertisements. For instructions, see Configure route filters for Microsoft peering.
I turned on Microsoft peering and now I am trying to select Exchange Online, but it is giving me an error that I am not authorized to do it.
When using route filters, any customer can turn on Microsoft peering. However, for consuming Office 365 services, you still need to get authorized by Office 365.
I enabled Microsoft peering prior to August 1, 2017, how can I take advantage of route filters?
Your existing circuit will continue advertising the prefixes for Office 365. If you want to add Azure public prefixes advertisements over the same Microsoft peering, you can create a route filter, select the services you need advertised (including the Office 365 service(s) you need), and attach the filter to your Microsoft peering. For instructions, see Configure route filters for Microsoft peering.
I have Microsoft peering at one location, now I am trying to enable it at another location and I am not seeing any prefixes.
Microsoft peering of ExpressRoute circuits that were configured prior to August 1, 2017 will have all service prefixes advertised through Microsoft peering, even if route filters are not defined.
Microsoft peering of ExpressRoute circuits that are configured on or after August 1, 2017 will not have any prefixes advertised until a route filter is attached to the circuit. You will see no prefixes by default.
ExpressRoute Direct
What is ExpressRoute Direct?
ExpressRoute Direct provides customers with the ability to connect directly into Microsoft’s global network at peering locations strategically distributed across the world. ExpressRoute Direct provides dual 100 or 10 Gbps connectivity, which supports Active/Active connectivity at scale.
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How do customers connect to ExpressRoute Direct?
Customers will need to work with their local carriers and co-location providers to get connectivity to ExpressRoute routers to take advantage of ExpressRoute Direct.
What locations currently support ExpressRoute Direct?
Please check the availability on the location page.
What is the SLA for ExpressRoute Direct?
ExpressRoute Direct will utilize the same enterprise-grade of ExpressRoute.
What scenarios should customers consider with ExpressRoute Direct?
ExpressRoute Direct provides customers with direct 100 or 10 Gbps port pairs into the Microsoft global backbone. The scenarios that will provide customers with the greatest benefits include: Massive data ingestion, physical isolation for regulated markets, and dedicated capacity for burst scenario, like rendering.
What is the billing model for ExpressRoute Direct?
ExpressRoute Direct will be billed for the port pair at a fixed amount. Standard circuits will be included at no additional hours and premium will have a slight add-on charge. Egress will be billed on a per circuit basis based on the zone of the peering location.
When does billing start for the ExpressRoute Direct port pairs?
ExpressRoute Direct's port pairs are billed 45 days into the creation of the ExpressRoute Direct resource or when 1 or both of the links are enabled, whichever comes first. The 45-day grace period is granted to allow customers to complete the cross-connection process with the colocation provider.
Global Reach
What is ExpressRoute Global Reach?
ExpressRoute Global Reach is an Azure service that connects your on-premises networks via the ExpressRoute service through Microsoft's global network. For example, if you have a private data center in California connected to ExpressRoute in Silicon Valley and another private data center in Texas connected to ExpressRoute in Dallas, with ExpressRoute Global Reach, you can connect your private data centers together through the two ExpressRoute connections and your cross data center traffic will traverse through Microsoft's network backbone.
How do I enable or disable ExpressRoute Global Reach?
You enable ExpressRoute Global Reach by connecting your ExpressRoute circuits together. You disable the feature by disconnecting the circuits. See the configuration.
Dmg And Express Route In Azure India
Do I need ExpressRoute Premium for ExpressRoute Global Reach?
If your ExpressRoute circuits are in the same geopolitical region, you don't need ExpressRoute Premium to connect them together. If two ExpressRoute circuits are in different geopolitical regions, you need ExpressRoute Premium for both circuits in order to enable connectivity between them.
How will I be charged for ExpressRoute Global Reach?
ExpressRoute enables connectivity from your on-premises network to Microsoft cloud services. ExpressRoute Global Reach enables connectivity between your own on-premises networks via your existing ExpressRoute circuits, leveraging Microsoft's global network. ExpressRoute Global Reach is billed separately from the existing ExpressRoute service. There is an Add-on fee for enabling this feature on each ExpressRoute circuit. Traffic between your on-premises networks enabled by ExpressRoute Global Reach will be billed for an egress rate at the source and for an ingress rate at the destination. The rates are based on the zone at which the circuits are located.
Where is ExpressRoute Global Reach supported?
ExpressRoute Global Reach is supported in select countries/regions or places. The ExpressRoute circuits must be created at the peering locations in those countries/regions or places.
I have more than two on-premises networks, each connected to an ExpressRoute circuit. Can I enable ExpressRoute Global Reach to connect all of my on-premises networks together?
Yes, you can, as long as the circuits are in the supported countries/regions. You need to connect two ExpressRoute circuits at a time. To create a fully meshed network, you need to enumerate all circuit pairs and repeat the configuration.
Can I enable ExpressRoute Global Reach between two ExpressRoute circuits at the same peering location?
No. The two circuits must be from different peering locations. If a metro in a supported country/region has more than one ExpressRoute peering location, you can connect together the ExpressRoute circuits created at different peering locations in that metro.
If ExpressRoute Global Reach is enabled between circuit X and circuit Y, and between circuit Y and circuit Z, will my on-premises networks connected to circuit X and circuit Z talk to each other via Microsoft's network?
No. To enable connectivity between any two of your on-premises networks, you must connect the corresponding ExpressRoute circuits explicitly. In the above example, you must connect circuit X and circuit Z.
What is the network throughput I can expect between my on-premises networks after I enable ExpressRoute Global Reach?
The network throughput between your on-premises networks, enabled by ExpressRoute Global Reach, is capped by the smaller of the two ExpressRoute circuits. Premises-to-Azure traffic and premises-to-premises traffic share the same circuit and are subject to the same bandwidth cap.
With ExpressRoute Global Reach, what are the limits on the number of routes I can advertise and the number of routes I will receive?
The number of routes you can advertise to Microsoft on Azure private peering remains at 4000 on a Standard circuit or 10000 on a Premium circuit. The number of routes you will receive from Microsoft on Azure private peering will be the sum of the routes of your Azure virtual networks and the routes from your other on-premises networks connected via ExpressRoute Global Reach. Please make sure you set an appropriate maximum prefix limit on your on-premises router.
What is the SLA for ExpressRoute Global Reach?
ExpressRoute Global Reach will provide the same availability SLA as the regular ExpressRoute service.
Scenario
Azure Web App is connected to a VNET (VNET1) using Point-To-Site and then there is another VNET (VNET2) with Express route Gateway. Both VNET are in Azure.
Note: This blog is only if requirement is to access resource in Azure VNET having ER gateway. If your requirement is to access On-Prem resources from App Service through ER gateway then only solution will be use App Service Environment.
Requirement
Azure Web App should be able to connect resource in VNET with Express route Gateway.
Web App <---P2S ---> VNET1 with Route Base GW<--- s2s---> VNET2 with Coexisting Gateway & (Express Route)
Limitation
In Azure, we can connect two VNET’s using VNET Peering & VNET to VNET connectivity. But since we have a Web App connected using Point-To-Site, we need to add transit route which both these options will not allow. So, only way to get this working is having Site-to-Site IPsec tunnel.
We can create Site-to-Site but both gateways should be identical i.e. both gateways can either be Route based (Dynamic) or Policy based (Static). In my case VNET1 is Route based Gateway and VNET2 is Express Route.
Solution
So, can this be achieved?
Yes, we can either setup App Service Environment or if the requirement is to stay with multi-tenant App service then we can create Coexisting Gateway in VNET2 and then establish Site-to-Site IPsec connectivity between VNET1 and VNET2.
Here is how we do that!
Azure Express Route Overview
Existing setup
Web App <---P2S ---> VNET1 with Route Base GW
VNET2 with Express Route
First thing we need to do is create Coexisting gateway on VNET2. This can be done using PowerShell. Here is sample
Dmg And Express Route In Azure Nj
| ##Create coexistence IPsec Gateway## $location = 'DCLocation' $vnet = Get-AzureRmVirtualNetwork -Name ExpressrouteVNET -ResourceGroupName RGNAME ##Create Local Network Gateway## $MyLocalNetworkAddress = @('10.0.0.0/21',” 172.16.0.0/16”) <- Address space of VNET1 & Point-to-Site ##Connection## $azureVpn = Get-AzureRmVirtualNetworkGateway -Name 'VPNGateway' -ResourceGroupName RGNAME |
Once this is done then we can create Site-to-Site IPsec connection between VNET1 Gateway and VNET2 Coexisting Gateway.
For testing connectivity i have documented in my previous blog
HTH