Azure Load Balancer
An Azure service that delivers high availability and network performance to applications.
416 questions
0 answers
Public Load Balancer, Network Security Group, filter by source IP does not work
tldr; How do I restrict access to a public load balancer to specific client ip addresses? Is it possible to see the source ip of traffic to the load balancer in the event that I see malicious traffic? I have a public load balancer with a Virtual…
asked 2023-09-29T09:40:16.61+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(316.8, 0%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETM%3C/text%3E%3C/svg%3E)
Thomas, Matthew
0
Reputation points
commented 2023-10-05T10:26:25.8233333+00:00
KapilAnanth-MSFT
39,211
Reputation points Microsoft Employee
2 answers
One of the answers was accepted by the question author.
Active / Passive with Azure Load Balancer
Hello, I have seen some questions on this before in 2019. Has there been any feature additions to allow active / passive configuration with Azure LB? …
![](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, 92%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EC%3C/text%3E%3C/svg%3E)
![](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(166.4, 31%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EX%3C/text%3E%3C/svg%3E)
1 answer
Passing traffic through Application Gateway without NAT
Hi Guys, Need help, our customer has an Application gateway deployed at perimeter for Load balancing traffic from Internet to Internal servers. Same is used for onprem traffic to Azure servers. Multiple URLs/Website of customer production are published…
asked 2023-09-11T06:13:26.36+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(118.4, 7.000000000000001%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAS%3C/text%3E%3C/svg%3E)
Amit Sharma
0
Reputation points
commented 2023-09-26T21:06:31.85+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
24,231
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
Load balancing internal traffic cross region
I'm planning to deploy two internal-only web servers in Azure across different regions. Given that Azure Load Balancer and Application Gateway seem to support intra-region traffic only for private ips, how can I effectively balance internal traffic…
asked 2023-09-24T23:41:32.8966667+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(256, 27%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EL%3C/text%3E%3C/svg%3E)
Luke
45
Reputation points
commented 2023-09-25T01:41:26.49+00:00
Luke Murray
10,631
Reputation points MVP
2 answers
One of the answers was accepted by the question author.
Application Gateway Merge.
We have a Hub and Spoke network architecture. Application gateway-1 and DNS for Application A has been deployed in the Hub network. Traffic flow for Application A: Internet > Firewall > Application Gateway-1 *application gateway will be placed in…
![](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(131.20000000000002, 92%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJ%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
How to solve LB issue with error code " SubscriptionNotRegisteredForFeature" (SLBAllowAdminStateChangeForConnectionDraining)
Hello everyone! I have provisioned an aks cluster using terraform. I did not specify any code for virtual network or subnets, so it was created automatically and the setting seem to be correct. After cluster provisioning I created deployment and service…
asked 2023-09-19T11:44:20.56+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(156.8, 95%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOT%3C/text%3E%3C/svg%3E)
Olha Tokarieva
20
Reputation points
accepted 2023-09-19T14:22:49.62+00:00
Olha Tokarieva
20
Reputation points
2 answers
Priority-based inbound traffic rule on private Azure load balancer
Hello, we need a setup where all traffic is routed to a primary VM, and if the health probe fails, then the traffic is routed to a secondary VM, which acts as a failover server, similarly as it is done in Traffic Manager. Can you please add an option of…
asked 2023-09-10T10:48:32.98+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, 83%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGK%3C/text%3E%3C/svg%3E)
Gleb Kaplan
0
Reputation points
commented 2023-09-19T06:34:25.02+00:00
KapilAnanth-MSFT
39,211
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
Best way to implement a Load Balancer for an existing VM running a web-application where users uploading files?
We have a https web application running on a VM in Azure. This application is connected to a database and a report-server on another VM (Azure). After login to the application its users keep their session-info in their browser until logging off. The…
asked 2023-09-14T14:28:52.14+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(118.4, 87%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJR%3C/text%3E%3C/svg%3E)
Jan Rikard Skåret
20
Reputation points
accepted 2023-09-15T07:19:40.7166667+00:00
Jan Rikard Skåret
20
Reputation points
1 answer
One of the answers was accepted by the question author.
Azure Premium Frontdoor linked to internal Load Balancer in front of Azure VM in private subnets not working
Hello, Following this link https://video2.skills-academy.com/en-us/azure/frontdoor/standard-premium/how-to-enable-private-link-internal-load-balancer I implemented Azure front door premium with private link services linked to an internal load balancer in front…
![](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(185.6, 43%, 27%)' 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)
1 answer
One of the answers was accepted by the question author.
track one connection in Azure Loadbalancer
hello we have one azure LB that share traffic between 2 edge firewalls. it has public IPs, accept the req then forward it to my FW. for unknown reason we can't access a web server behind the FW when i access it from a particular site. i can telnet but…
asked 2023-09-04T05:41:35.7466667+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(179.20000000000002, 25%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOA%3C/text%3E%3C/svg%3E)
Osama Abdulqader Hasairi
20
Reputation points
accepted 2023-09-05T06:25:20.2633333+00:00
Osama Abdulqader Hasairi
20
Reputation points
1 answer
AKS로 backend container image를 deploy 및 service로 loadbalancer를 활용하였는데 왜 external ip로 접속이 안될까?
아래 이미지 첨부된 것처럼 외부 IP를 누르면, '사이트에 연결할 수 없음' 그리고 그 사유로, 응답하는데 시간이 너무 오래 걸립니다. 라는 메시지를 보내주고 있습니다. 이를 어떻게 해결하면 좋을까요?
asked 2023-08-17T05:42:16.1433333+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(179.20000000000002, 8%, 27%)' 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)
차성재
0
Reputation points
commented 2023-08-31T19:38:28.0233333+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(211.20000000000002, 43%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMM%3C/text%3E%3C/svg%3E)
Monalla-MSFT
12,761
Reputation points
1 answer
One of the answers was accepted by the question author.
Idle Timeout of Load Balancing Rules belonging to Standard SKU Load balancer linked to Kubernetes Cluster getting reset to default 4 minutes even after getting updated.
I have a Standard SKU Load balancer managed by an AKS Cluster. At the time of cluster and consecutive LB creation, the Idle Timeout was set to default 4. First I tried updating the Idle Timeout of Load balancing rules to 30 minutes via UI. Even thought…
asked 2023-08-22T19:20:44.7566667+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(249.60000000000002, 56.00000000000001%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAM%3C/text%3E%3C/svg%3E)
Anand Mohan Singh
45
Reputation points
commented 2023-08-31T15:30:00.2+00:00
Anand Mohan Singh
45
Reputation points
1 answer
One of the answers was accepted by the question author.
NVA firewalls in availability set, how to prefer one over the other for outbound traffic
I have a standard load balancer sandwich design, with two NVA firewalls in an availability set, with spoke vNets peered to the NVA vNet. UDR's have static routing towards the internal load balancer. it all works well enough I have a requirement to prefer…
asked 2023-08-26T10:39:03.91+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, 22%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESJ%3C/text%3E%3C/svg%3E)
Steven Johnston
40
Reputation points
accepted 2023-08-31T11:50:26.39+00:00
Steven Johnston
40
Reputation points
2 answers
One of the answers was accepted by the question author.
Azure Container Instance TCP connection interrupts
Hi, I have migrated a service that was previously running on on-premise servers to Azure. The app is based on .NET and I have containerized it in Docker. It is just a single container with no scaling. I have deployed the container to ACI. The app…
asked 2023-08-10T11:19:28.6433333+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(160, 91%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDD%3C/text%3E%3C/svg%3E)
David Drápela
75
Reputation points
accepted 2023-08-25T05:46:27.9766667+00:00
David Drápela
75
Reputation points
1 answer
Why automatically public ip is created to private aks cluster
Hi Team, I have created a private aks cluster but automatically it was created public ip and attached to loadbalancer on mc resource group, why public ip was created automatically tried many times automatically creating public ip
asked 2023-08-18T17:29:45.16+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, 47%, 35%)' 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)
Sravan Kumar Pulle (IN)
0
Reputation points
commented 2023-08-21T05:52:20.2066667+00:00
Prrudram-MSFT
22,941
Reputation points
1 answer
How the load balancer works in two diffrenrnt vnet?
Hi, We have two or multiple different region Vnets, and all are peering with each other. All VMs can communicate and ping each other. So let's suppose one region's vnet has some problems, and VMs in that region do not work. In that case, how will the…
asked 2023-08-10T15:00:42.84+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(140.8, 39%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKK%3C/text%3E%3C/svg%3E)
Khushboo Kumari
97
Reputation points
answered 2023-08-10T15:45:07.3+00:00
Tushar Kumar
3,231
Reputation points MVP
1 answer
view azure Load balancer inbound/outbound connections
Hello, I want to find out from the last 3 days, all public IPs who was connected to my azure load balancer and also all public IPs connections initiated from my Loadbalancer. Also I want to find the load for each node/VMs behind this LB( last 3…
asked 2023-08-02T12:28:42.39+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, 90%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECR%3C/text%3E%3C/svg%3E)
Ciprian Rizea
0
Reputation points
commented 2023-08-04T16:47:26.6533333+00:00
ChaitanyaNaykodi-MSFT
24,231
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
At what scope/s Network Contributor Role is needed to add backend vms to a Load Balancer
I have Resource Group named RG1 with VM1, VM2, VM3 I have Resource Group named RG2 with Load Balancer LB1 Will I need network contributor role on both Resource Groups ?
asked 2023-07-29T05:27:35.38+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, 18%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESS%3C/text%3E%3C/svg%3E)
Shridhar Srinivasan
215
Reputation points
accepted 2023-08-03T18:47:34.97+00:00
Shridhar Srinivasan
215
Reputation points
1 answer
adding a 3rd VM to Load balancer backend pool
Hi, I have created 2 vm's and added them to back-end pool, and everything works fine. i have created a 3rd vm same config, region, availability, network settings and this one does not show in the list of back-end pool of load balancer so i can add it.…
asked 2023-07-30T13:03:20.9333333+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(96, 20%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMC%3C/text%3E%3C/svg%3E)
Mos Craciun
0
Reputation points
commented 2023-08-03T15:31:59.1433333+00:00
GitaraniSharma-MSFT
49,006
Reputation points Microsoft Employee
1 answer
is Graceful scale in possible in scale sets using azure load balancer
I have an azure scale set that runs a service communicating to server vms present outside of the scale set. traffic to scale set is coming from an Azure load balancer. Problem: when requests present in a VM of scale set is less than a threshold value I…
asked 2023-07-31T10:40:17.5133333+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(128, 8%, 22%)' 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)
Anonymous
commented 2023-08-01T12:57:22.8966667+00:00
msrini-MSFT
9,266
Reputation points Microsoft Employee