Azure ExpressRoute
An Azure service that provides private connections between Azure datacenters and infrastructure, either on premises or in a colocation environment.
356 questions
0 answers
ExpressRoute ****Traffic flowing on secondary circuit****
Hi Team, While using ExpressRoute, traffic from Azure towards on-premises is using secondary circuit while going from on-premise to Azure it is using primary circuit path only. Please help what could be causing this behavior where traffic is passing…
asked 2022-01-31T12:09:41.213+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(249.60000000000002, 90%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERK%3C/text%3E%3C/svg%3E)
Ramesh Kasver
21
Reputation points
commented 2022-02-04T12:00:39.54+00:00
GitaraniSharma-MSFT
49,441
Reputation points Microsoft Employee
1 answer
Checking ExpressRoute redundancy configuration and status ?
How can I check my current Express Route circuit if it is already configured with dual redundancy? I need to know before there is an unexpected outage during the Microsoft Scheduled maintenance ahead.
asked 2022-01-24T11:45:34.53+00:00
EnterpriseArchitect
5,276
Reputation points
commented 2022-02-03T04:59:31.213+00:00
EnterpriseArchitect
5,276
Reputation points
1 answer
Azure Express Route
Hi, We currently have Express Route deployed and we have a vNet that is connected to the Express route and we have another existing vNet peered to the vNet that is connected to Express Route, and that is all working fine. We want to add another vNet…
asked 2022-01-27T16:00:21.773+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(278.4, 11%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETU%3C/text%3E%3C/svg%3E)
Tim Unterberger
1
Reputation point
answered 2022-01-28T14:05:09.197+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(134.4, 59%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECM%3C/text%3E%3C/svg%3E)
ChaitanyaNaykodi-MSFT
25,371
Reputation points Microsoft Employee
4 answers
VPN over ExpressRoute / VPN S2S / BGP
Hi everyone, i need help about setting up VPN over ExpressRoute as a primary solution and S2S VPN over Internet as a backup solution in the same Virtual Network Gateway. I have the following scenario: Configure ExpressRoute - Success VPN over…
asked 2022-01-11T12:02:05.557+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(134.4, 82%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EES%3C/text%3E%3C/svg%3E)
Elias Shuiti Yasuda
1
Reputation point
commented 2022-01-28T02:55:44.297+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(48, 36%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESM%3C/text%3E%3C/svg%3E)
SaiKishor-MSFT
17,221
Reputation points
1 answer
One of the answers was accepted by the question author.
ASN number 65515 in the BGP advertisement for the VNet IP space towards the Expressroute peers
When I checked the BGP table for the express route circuit, I see that I have the local ones (for the linked VNet IP space) has the ASN of 65515. Is it a hardcoded value just like 12076? I see that the ASN got removed when advertised to SP. Thanks, …
asked 2022-01-23T18:21:09.7+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(19.2, 70%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDZ%3C/text%3E%3C/svg%3E)
Difan Zhao
41
Reputation points
accepted 2022-01-26T19:49:29.267+00:00
Difan Zhao
41
Reputation points
1 answer
How to use internet over the VM which is part of ExpressRoute
Hi Team, Please help on below issue. We have setup ExpressRoute from on premises to Azure and using private peering. Now the problem is that since this circuit is up and running we are not able to access internet over the VMs which are part of VNET…
asked 2022-01-14T11:39:34.167+00:00
Ramesh Kasver
21
Reputation points
commented 2022-01-17T11:01:24.85+00:00
Ramesh Kasver
21
Reputation points
1 answer
One of the answers was accepted by the question author.
ExpressRoutes from more than one datacenter
Hello everyone, I'm working on a design for a hybrid cloud setup that will consist of our applications running out of two Azure regions and needing to communicate, fairly chattily back to our two datacenters. However, our one DC is really just a…
asked 2022-01-05T03:55:25.083+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(115.19999999999999, 25%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERB%3C/text%3E%3C/svg%3E)
Ryan Brown
21
Reputation points
accepted 2022-01-09T19:23:10.1+00:00
Ryan Brown
21
Reputation points
1 answer
One of the answers was accepted by the question author.
A region that can be connected on the expressroute circuit local sku
I am looking for the local SKU of the expressroute circuit. Refer to the document below. https://learn.microsoft.com/en-us/azure/expressroute/expressroute-locations-providers#global-commercial-azure I use the local SKU of the expressroute…
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(70.4, 23%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
2 answers
One of the answers was accepted by the question author.
ExpressRoute
Hello, I've a confusion and I would like to clarify it. "Local circuit at an ExpressRoute peering location gives you access only to one or two Azure regions in or near the same metro." So, when my region is Central Canada, then What am I…
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(112.00000000000001, 37%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJ2%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
Expressroute bidirectionial?
Hello Is ER bidirectional? We are reasearching the hub-spoke model and will be using private peering. In the spoke network there will be a vm. We would like to let the vm connect with a on premise sql database. Would that be possible? Greetings …
asked 2021-12-23T11:21:10.847+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(214.4, 25%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECJ%3C/text%3E%3C/svg%3E)
C.J. Vieleers
106
Reputation points
commented 2021-12-24T08:29:14.737+00:00
GitaraniSharma-MSFT
49,441
Reputation points Microsoft Employee
1 answer
Prevent Azure Expressroute from learning routes from VPN Gateway
How can I prevent Azure Expressroute from learning routes from VPN gateway? We're setting up a IPsec over Azure Expressroute. We want the Azure Expressroute just be a circuit. Right now Azure Expressroute is advertising the routes that's learned from VPN…
asked 2021-11-25T11:44:04.303+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(240, 5%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EK%3C/text%3E%3C/svg%3E)
ktipssioyv
1
Reputation point
commented 2021-12-16T12:42:54.2+00:00
GitaraniSharma-MSFT
49,441
Reputation points Microsoft Employee
1 answer
Azure VNet Gateway for ExpressRoute
Hi Team, Is it possible to ping VNet gateway from VMs (created in same VNet) in expressroute ? Also can we assign private IP to VNet gateway for expressroute ? Thanks
asked 2021-11-23T08:07:57.963+00:00
Ramesh Kasver
21
Reputation points
commented 2021-12-07T05:04:53.193+00:00
GitaraniSharma-MSFT
49,441
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
Does Dataset's compression have an effect on saving network bandwidth?
I have a question about the compression of Delimited text format's Dataset properties on Azure Data Factory. Does it have an effect on saving network bandwith, for example, when using ExpressRoute service to make a network private? Or, does it only have…
asked 2021-11-30T01:00:59.747+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(198.4, 46%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMO%3C/text%3E%3C/svg%3E)
Makoto Oda
291
Reputation points
commented 2021-12-06T00:36:31.577+00:00
Makoto Oda
291
Reputation points
1 answer
One of the answers was accepted by the question author.
Return traffic though NVA via Expressroute not working
Hi, We use a Palo Alto NVA behind a ILB. All routing looks fine, but the return traffic doesn't go through the Palo NVA with this setup... Azure to On-prem works fine like this: Subscriber Subnets --> ILB -> Palo NVA -> ExpressRoute…
asked 2021-11-30T12:53:28.47+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(0, 59%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EK%3C/text%3E%3C/svg%3E)
ka_admin
21
Reputation points
commented 2021-12-02T12:08:15.087+00:00
GitaraniSharma-MSFT
49,441
Reputation points Microsoft Employee
1 answer
Express Route ARP Cache
Hopefully simple questions that I really cannot find direct answers for: 1, How long does an Express Route cache it's ARP entries? 2, Is it safe to delete and re-create the Private Peering from within the portal/PowerShell? Thanks, Mike
asked 2021-11-18T11:59:56.887+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(220.8, 57.00000000000001%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMH%3C/text%3E%3C/svg%3E)
Michael Hale
6
Reputation points
answered 2021-12-01T11:52:45.367+00:00
SaiKishor-MSFT
17,221
Reputation points
1 answer
One of the answers was accepted by the question author.
Azure Express route forced-tunneling with NVA
I want to set-up forced tunneling in Azure. All traffic destined to internet should be routed to on-prem and exit to internet from there. As far as i understand i need to advertise default route via BGP in Azure so that it replaces internet default…
asked 2021-09-28T09:44:13.327+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(227.2, 39%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMB%3C/text%3E%3C/svg%3E)
Mateen Baig
71
Reputation points
commented 2021-11-30T14:05:37.513+00:00
GitaraniSharma-MSFT
49,441
Reputation points Microsoft Employee
1 answer
Azure ExpressRoute - VMs
Hi Team, Please help if we need to define any specific NSG (inbound & outbound rules) inside a VMs to support traffic via ExpressRoute( private peering). Please suggest how to ping public IP address of the VNet gateway via VM. Thanks !
asked 2021-11-23T08:20:16.363+00:00
Ramesh Kasver
21
Reputation points
commented 2021-11-24T05:42:16.037+00:00
vipullag-MSFT
26,191
Reputation points
1 answer
Branch to Branch in Vritual Wan configuratoin
What is the use of "Branch to Branch" in Virtual Wan configuration? We have a route loop issue and disabling it fixes it.
asked 2021-11-24T04:35:16.897+00:00
ktipssioyv
1
Reputation point
answered 2021-11-24T05:34:42.14+00:00
msrini-MSFT
9,276
Reputation points Microsoft Employee
1 answer
Azure Express Route Health Error
Hi, We have a newly provisioned Express Route that doesn't appear to be working. The circuit is provisioned, the peering is provisioned and enabled, and the connection on the Express Route Gateway is succeeded. The ARP table appears correct,…
asked 2021-11-17T14:51:39.377+00:00
Michael Hale
6
Reputation points
commented 2021-11-18T11:53:40.483+00:00
msrini-MSFT
9,276
Reputation points Microsoft Employee
1 answer
Microsoft peering
Hello I have a question about ms peering on expressroute. In the ms documentation can the following info been found: Connectivity to Microsoft online services (Microsoft 365 and Azure PaaS services) occurs through Microsoft peering. Now does this…
asked 2021-11-10T19:12:14.433+00:00
C.J. Vieleers
106
Reputation points
answered 2021-11-15T07:30:58.777+00:00
SaiKishor-MSFT
17,221
Reputation points