Azure ExpressRoute
An Azure service that provides private connections between Azure datacenters and infrastructure, either on premises or in a colocation environment.
373 questions
1 answer
Connecting Multiple ExpressRoute Circuit into Single ExpressRoute Gateway or Using Single ExpressRoute Circuit & gateway for 2 On-prem Data Centers
Dear Team, We have requirement to connect to an Vendor cloud from the On-prem through Azure using the ExpressRoute, Azure Firewall &VPN Gateway. Below is the flow we planned, We have 2 different Data centers in On-prem to connect to Vendor Cloud…
asked 2024-09-30T12:34:49.6533333+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' %3EKR%3C/text%3E%3C/svg%3E)
Karthik Rajendiran
0
Reputation points
commented 2024-10-02T09:05:06.1+00:00
Karthik Rajendiran
0
Reputation points
0 answers
I am getting multiple routes to our on-prem network in virtual wan hub
We have a virtual wan hub with several spokes. We connect to our on-prem network via Expressroute circuits. We have noticed a problem that there are 3 routes a single network on the onprem, one over the expressroute circuit and 2 via next hops which…
asked 2024-10-02T00:21:19.17+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(12.8, 72%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAC%3C/text%3E%3C/svg%3E)
ADM Cloud Gordon Leister
0
Reputation points
commented 2024-10-02T00:29:35.3233333+00:00
ADM Cloud Gordon Leister
0
Reputation points
1 answer
Route Preference for Express Route Gateway
Hello Experts, I have query for following scenario. There is HUB Vnet which has Express Route GW & Express Route Circuit for Onprem connectivity Virtual WAN HUB is deployed and there is 'Express Route Connection' added from same Express Route…
asked 2024-09-24T18:14:11.9933333+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(99.2, 25%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERV%3C/text%3E%3C/svg%3E)
Raviraj Velankar
91
Reputation points
edited a comment 2024-10-01T16:30:13.1966667+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(204.8, 81%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESP%3C/text%3E%3C/svg%3E)
Sai Prasanna Sinde (Quadrant Resource LLC)
110
Reputation points Microsoft Vendor
0 answers
Splitting On-Ramp locations
All, when providing Azure Express Route, can the on-ramp be split across Primary and Secondary? Eg, For London South, there's two on-ramp locations; LD4 in Slough and THN2 in Docklands, each having Primary and Secondary. Can Primary be in LD4 and…
asked 2024-09-30T12:15:37.5733333+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(300.8, 83%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMJ%3C/text%3E%3C/svg%3E)
Michael Johnson
0
Reputation points
commented 2024-10-01T04:56:42.7766667+00:00
KapilAnanth-MSFT
44,931
Reputation points Microsoft Employee
1 answer
Not receiving designated Azure BGP communities from an ExpressRoute in multiple regions
When trying to filter routes via their BGP communities, I am not getting the expected community from Azure. I seem to be getting 65515:20000, and not the 12076:500XX for the region that I am expecting. My router only shows the 65515:20000 and no other…
asked 2024-09-27T20:15:06.54+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(153.6, 9%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETR%3C/text%3E%3C/svg%3E)
Ted Roy
0
Reputation points
commented 2024-09-30T15:32:17.5466667+00:00
KapilAnanth-MSFT
44,931
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
Routing Issues with S2S VPN VNET Peered with ExpressRoute VNET
The Context: I have 3 VNETS (VNET1, VNET2, VNET3). VNET1 has a S2S VPN allowing on-prem devices to connect to Azure. VNET2 has an ExpressRoute allowing another subnet of on-prem devices to connect to Azure. VNET3 also has an ExpressRoute allowing another…
asked 2024-07-02T14:29:17.2566667+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(265.6, 73%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ER1%3C/text%3E%3C/svg%3E)
RahulRana-1085
30
Reputation points
commented 2024-09-29T13:37:23.43+00:00
KapilAnanth-MSFT
44,931
Reputation points Microsoft Employee
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
commented 2024-09-27T20:20:07.33+00:00
Ted Roy
0
Reputation points
1 answer
One of the answers was accepted by the question author.
On-premises expressroute BGP is advertising 0.0.0.0/0 and using Azure Firewall to control traffic (including internet)
hi My environment is an on-premises expressroute BGP is advertising 0.0.0.0/0. I want to use Azure Firewall to control all traffic (including internet). See and discuss the architecture picture attached below. My guess is that we need to send the route…
![](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(291.2, 99%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ER%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
Azure traffic routing if both vwan express route connection and traditional express route gateway connection coexists
HI, I have following scenario. Azure region 3 is having traditional hub and spoke connecting to on-premise and other azure regions through WAN network. This set up will migrate to azure vwan . I want to understand Like express route gateway, azure…
asked 2024-09-24T20:55:36.6366667+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(246.4, 67%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESR%3C/text%3E%3C/svg%3E)
Siddhesh Rane
61
Reputation points
commented 2024-09-26T11:38:20.1+00:00
KapilAnanth-MSFT
44,931
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
Azure Hub Network with NVA and azure firewall and routing between VPN and Express route gateway through firewalls
Hi Team, I have attached the network diagram, Here is set up. There is HUB and Spoke topology with NVA. All traffic between on-premise and azure spoke is passing through NVA Third party location is connected through SDWAN VM over internet. SDWAN VM is…
asked 2024-08-20T21:58:14.7633333+00:00
Siddhesh Rane
61
Reputation points
commented 2024-09-24T19:24:27.5933333+00:00
Siddhesh Rane
61
Reputation points
1 answer
One of the answers was accepted by the question author.
Hub and two Spoke vnets with AFW in Hub and traffic from Expressroute
Hello, I have got problem with not going traffic via Azure Firewall from ExpressRoute to one of two spoke vnets(I don't see any traffic on Firewall logs but I can see traffic with tcpdump on VM in spoke). Traffic to on-prem via ExpressRoute works fine…
asked 2024-09-18T08:55:52.09+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(150.4, 15%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESK%3C/text%3E%3C/svg%3E)
Sepski, Krzysztof Antoni
20
Reputation points
accepted 2024-09-24T05:57:34.8333333+00:00
Sepski, Krzysztof Antoni
20
Reputation points
0 answers
Unable to send a SIP request from SBC via express route
We are using audiocodes sbc for voice in Azure. We have private connectivity via express route with provider and established vpn connectivity. we have two sip trunks already working now we are trying to build a new trunk over this path. Post provider…
asked 2024-09-13T10:56:45.04+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(169.60000000000002, 35%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENM%3C/text%3E%3C/svg%3E)
Nser Mahajan
0
Reputation points
commented 2024-09-18T17:32:42.7566667+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(54.400000000000006, 71%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGP%3C/text%3E%3C/svg%3E)
Ganesh Patapati (Quadrant Resource LLC)
415
Reputation points Microsoft Vendor
0 answers
Is it possible to enable diagnostic settings for express route gateway resource?
Is it possible to enable diagnostic settings for express route gateway resource? if yes, how can we create a deploy if not exist policy to achieve it?
asked 2024-09-09T10:11:34.41+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(304, 2%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAR%3C/text%3E%3C/svg%3E)
Ajit Ramachandra Sane
0
Reputation points
commented 2024-09-13T17:07:05.74+00:00
Sai Prasanna Sinde (Quadrant Resource LLC)
110
Reputation points Microsoft Vendor
1 answer
how is the route table of the azure private peer of an expressRoute created and how do i flush 1 entry
We have a wrong entry in our routing table due to a misconfiguration of a bastion subnet. We changed the subnet, but the route remains.
asked 2024-09-09T14:13:56.6166667+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(243.2, 18%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3E8%3C/text%3E%3C/svg%3E)
86842230
0
Reputation points
commented 2024-09-11T07:52:28.0033333+00:00
KapilAnanth-MSFT
44,931
Reputation points Microsoft Employee
2 answers
One of the answers was accepted by the question author.
How to become Express Route Connectivity Provider?
Dear, Can anybody give me a hand and show the process of becoming Microsoft Partner in a range of delivering Express Routes to final customers ? I mean - how to get on this list…
asked 2024-09-09T11:14:42.1033333+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(89.60000000000001, 40%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAR%3C/text%3E%3C/svg%3E)
Andrey Rassiysky
20
Reputation points
accepted 2024-09-10T10:56:59.47+00:00
Andrey Rassiysky
20
Reputation points
0 answers
How can I tell the resiliency level of an EXISTING (already provisioned) ExpressRoute Circuit?
How can I tell the resiliency level of an EXISTING (already provisioned) ExpressRoute Circuit?
asked 2024-09-10T08:58:01.4733333+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(310.4, 66%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EED%3C/text%3E%3C/svg%3E)
Erik Drueding
0
Reputation points
asked 2024-09-10T08:58:01.4733333+00:00
Erik Drueding
0
Reputation points
0 answers
how can you tell the resiliency level of an existing (already provisioned) ExpressRoute Circuit?
trying to copy a EXR Circuit 1:1 & there seems to be no way to tell what kindof resiliency level is attached to an existing circuit. I've looked through the GUI, the JSON info, etc. AI answers my question like this: The resiliency level of the…
asked 2024-09-10T08:55:34.4533333+00:00
Erik Drueding
0
Reputation points
asked 2024-09-10T08:55:34.4533333+00:00
Erik Drueding
0
Reputation points
1 answer
Azure VNET Gateway for Expressroute - impact if public IP changes
I have a production environment that has a VNET Gateway (type Expressroute) and it's working fine right now. However, the public IP that it has is a Basic SKU, and that's going away on September 30, 2025. On top of that, it's a dynamic Public IP. I…
asked 2024-09-09T19:39:50.93+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(294.40000000000003, 25%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECL%3C/text%3E%3C/svg%3E)
Chris Lhamon
0
Reputation points
answered 2024-09-10T07:21:32.6533333+00:00
KapilAnanth-MSFT
44,931
Reputation points Microsoft Employee
1 answer
Azure and Cisco Router not forming an express route BGP session
For some reason my BGP session to Azure through an Express Route connection is not forming. Below is the configuration of the Express Route Circuit: Peer AS: 65000 Subnets: IPv4 Primary IPv4: 10.x.x.0/30 Secondary IPv4 10.x.x.4/30 Vlan ID: XXX Cisco…
asked 2024-02-16T15:21:59.3+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(105.60000000000001, 61%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGF%3C/text%3E%3C/svg%3E)
Gunther Fembini
0
Reputation points
answered 2024-09-09T13:49:29+00:00
Gulnaz Mushtaq
410
Reputation points MVP
1 answer
cannot ICMP or Route to any subnets from on premises through express route
We have a connection from our On-Prem data center to Azure using express route. I can ping the peer IP address and see the neighbor from on premises router using #sh ip bgp neighbor and #sh ip bgp summary. I am trying to ping a VM in a created subnet and…
asked 2024-09-05T15:31:03.0033333+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(217.60000000000002, 5%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGJ%3C/text%3E%3C/svg%3E)
Gamal Joseph
0
Reputation points
answered 2024-09-06T13:20:40.94+00:00
Ganesh Patapati (Quadrant Resource LLC)
415
Reputation points Microsoft Vendor