Azure Load Balancer
An Azure service that delivers high availability and network performance to applications.
429 questions
0 answers
Load balancer Intermittent connection
I’m using a Standard Internal Load Balancer with a private frontend IP in Azure. However, the VMs in the backend pool lose internet access once a load balancing rule is defined. I’ve configured a NAT gateway with a standard SKU, and both the load…
asked 2024-08-08T06:08:38.14+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(70.4, 54%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHG%3C/text%3E%3C/svg%3E)
Hari Guvvala
0
Reputation points
commented 2024-08-15T06:12:57.2+00:00
KapilAnanth-MSFT
42,871
Reputation points Microsoft Employee
0 answers
Issue with Microsoft Translator Service in Multiple Regions
Dear Support Team, We are currently experiencing issues with the Microsoft Translator service in the Mexico, Japan, and Hong Kong regions. Despite no reported network outages or issues from our ISP, HKBN, we continue to face instability with the…
asked 2024-08-15T01:34:22.72+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(284.8, 44%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECT%3C/text%3E%3C/svg%3E)
CHRIS TSENG
0
Reputation points
asked 2024-08-15T01:34:22.72+00:00
CHRIS TSENG
0
Reputation points
1 answer
Does Azure server allow spoofing source IP of UDP packet
In order to test load balancer performance, I need to simulate large number of UDP packets coming from different IP address. I wrote a script to spoof source IP of these packets and run the script on Azure VM. But i can not receive any packets on another…
asked 2024-08-02T20:05:14.05+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(297.6, 97%, 38%)' 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)
ling
0
Reputation points
answered 2024-08-13T03:15:55.5766667+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
25,121
Reputation points Microsoft Employee
0 answers
Inefficient load balancing from NATed network
I have a load balancer with 4 backend VM and one public IP address. Load balancing rule has no session persistence. According to the documentation, load balancing is computed with a 5-tuple hash. This week-end, we had 200 devices connecting to the…
asked 2024-08-07T08:41:37.8633333+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(6.4, 52%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFM%3C/text%3E%3C/svg%3E)
Frederic Marchal
0
Reputation points
commented 2024-08-07T09:33:57.3233333+00:00
Vlad Costa
1,240
Reputation points
0 answers
Azure Load Balancer Won't Pass Traffic to VM
I’m setting up an Azure server which hosts two applications. One of them is an AV console that needs all external endpoint IPs to hit a nonstandard port on the server. The other is a backup console which needs specific static IPs to hit a number of ports…
asked 2024-07-31T19:15:03.01+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(124.80000000000001, 96%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECS%3C/text%3E%3C/svg%3E)
Chase Schwab
0
Reputation points
edited the question 2024-08-02T09:09:06.8466667+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, 76%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EV%3C/text%3E%3C/svg%3E)
VarunTha
6,615
Reputation points Microsoft Vendor
1 answer
One of the answers was accepted by the question author.
Palo VM firewall drop packets behind Azure load balancer
The topoplogy is spoke subnet ---> Aure LB ---> 2x Palo VM firewalls -> express route --> on-prem Palo firewall --> on-prem server user at spok subnet send files to onprem is very slow. we did iperf test from a subnet in the spoke vnet…
asked 2024-07-03T15:35:36.3933333+00:00
Vanessa Xu
20
Reputation points
accepted 2024-08-01T13:00:07.0366667+00:00
Vanessa Xu
20
Reputation points
1 answer
how to fix if internal load balancer suddently went for degraded state on Azure
Azure load balancer went into degraded state without any configuration change. how to fix this?
asked 2024-07-25T07:31:29.9+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, 42%, 38%)' 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)
Sachin Kannan
0
Reputation points
answered 2024-07-25T07:44:15.76+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, 24%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAA%3C/text%3E%3C/svg%3E)
akinbade abiola
12,570
Reputation points
1 answer
High latency on Application Gateway
I am having a server where i have hosted a webapp. The time i am using a azure lb i am getting latency in ms (400-600ms) from my server, but the minute I starts using azure app gateway with path based routing i am getting latency in secs going upto…
asked 2024-07-24T17:21:46.8633333+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(275.2, 28.000000000000004%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFS%3C/text%3E%3C/svg%3E)
Firoj Siddique
0
Reputation points
answered 2024-07-25T06:26:28.5666667+00:00
KapilAnanth-MSFT
42,871
Reputation points Microsoft Employee
5 answers
Disable Cipher Suite in Server 2022 but still active
Hi, I've created a new VM in Azure of type "Windows Server 2022 Datacenter Azure Edition" - Core - and disabled weak cipher suites using PowerShells Disable-TlsCipherSuite. The VM is behind an azure LoadBalancer. Afterwards I…
asked 2021-12-01T08:00:48.723+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(92.8, 2%, 18%)' 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)
Sebastian Mann
6
Reputation points
commented 2024-07-24T12:04:47.1833333+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(108.80000000000001, 24%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ED%3C/text%3E%3C/svg%3E)
DP
6
Reputation points
0 answers
Hello, working on exposing am internal load balancer through an app gw v2. My listener continues to default to the wrong certificate, so when I open the host name on the browser it depicts the wrong certificate.
-Double check settings as in hostname, correct wildcard attached to our listener. -Error: The Common Name of the leaf certificate presented by the backend server does not match the Probe or Backend Setting hostname of the application gateway. -When…
asked 2024-07-18T01:15:08.62+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(185.6, 72%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EER%3C/text%3E%3C/svg%3E)
EDWARD REYESARROYO
5
Reputation points
commented 2024-07-22T09:42:39.9666667+00:00
KapilAnanth-MSFT
42,871
Reputation points Microsoft Employee
4 answers
Retirement Announcement - Basic Load Balancer will be retired on 30 September 2025
Basic LB will be deprecated on September 30, 2025. Below are timelines to keep in mind for deprecation: March 31, 2025 - Last day to create new Basic Load Balancer. After this date, you will not be able to create new Basic Load Balancers. Basic Load…
asked 2022-10-03T15:18:04.91+00:00
ChaitanyaNaykodi-MSFT
25,121
Reputation points Microsoft Employee
commented 2024-07-16T13:03:37.3366667+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(262.40000000000003, 56.00000000000001%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJF%3C/text%3E%3C/svg%3E)
Josh Finlaw
0
Reputation points
0 answers
Azure load balancer to NVA asymmetric traffic issue
Asymmetric traffic issue on network capture from a VM in another vent - Here is my design - I have VWAN with Azure firewall which yet to secured with intent as next phase of network migration. Therefore, please ignore vWAN and vHUB when it comes as a…
asked 2024-07-13T18:54:39.4933333+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(291.2, 46%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EP%3C/text%3E%3C/svg%3E)
prasantc
901
Reputation points
commented 2024-07-15T10:54:25.44+00:00
KapilAnanth-MSFT
42,871
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
How to update Load Balancer Backend pool Nic in batch
Our service has case that need add multiple Nic into Load balancer backend pool. However, it seems current api…
![](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, 53%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESL%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
Cannot delete a Public IP that has no resources associated with
I was trying to delete the Public IP address 'IP-TestARM', which is not associated to any resources. But the operation failed and the error shows: 'Failed to delete public IP address 'IP-TestARM'. Error: Public IP address…
asked 2024-07-03T08:13:35.46+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(51.2, 19%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EQZ%3C/text%3E%3C/svg%3E)
Qian Zhuge
20
Reputation points Microsoft Employee
accepted 2024-07-11T08:04:31.51+00:00
Qian Zhuge
20
Reputation points Microsoft Employee
2 answers
Data path availabilitymetric missing
Dear Friends, I have Standard public Load Balancer and I wont to monitor data path availability, but I cannot choose from metric it is missing .
asked 2022-12-25T11:31:25.743+00:00
Surbanoski Aleksandar
46
Reputation points
commented 2024-07-08T13:22:47.8933333+00:00
GitaraniSharma-MSFT
49,431
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
When should I have multiple backend pools for a load balancer?
Hi, I'm preparing for Azure Certification exams and I've a question about load balancer. I googled and checked documentation but couldn't find answer: when do I need to have / should I have more than one backend pool for an Azure load balancer, being it…
![](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, 88%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
0 answers
How to put multiple VMs behind a single private IP address on Azure?
I'm working on creating a Blue/Green deployment for a product in Azure but I'm running into a problem regarding outbound traffic to an on-premisses database. Our initial idea can be seen in this diagram: We have three main "moving parts": A…
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asked 2024-04-17T12:53:27.5233333+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, 24%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELT%3C/text%3E%3C/svg%3E)
Leonardo Tavares
20
Reputation points
edited the question 2024-07-03T04:16:09.7166667+00:00
Ryan Hill
27,291
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
Since we ahve primary data center (DC) is already connected to Azure via ExpressRoute, options for connecting your on-premises DR datacenter to Azure
We have DC and DR datacenters at the on-prem level and the On-prem datacenter was connected to Azure through the Azure Express route and What are the other options we can get to connect Azure to the on-prem DR datacenter, how to establish connectivity…
![](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(172.8, 85%, 26%)' 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)
1 answer
Load Balancing of requests coming from a single client
I have a question regarding load balancing of a service by Azure Load Balancer. My load balancing requirement is as follows: I will have multiple application servers for a non-http service. Application servers will be behind Azure load balancer(layer…
asked 2024-06-24T11:14:41.02+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(108.80000000000001, 40%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDS%3C/text%3E%3C/svg%3E)
Dhirendra Singh
0
Reputation points
answered 2024-06-24T11:35:30.81+00:00
GitaraniSharma-MSFT
49,431
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
Does NSG apply to load balancer frontend IP?
I have a vnet with two subnets named sn1 and sn2. I have two vms named vm1 and vm2. vm1 is in sn1, vm2 is in sn2. I have a load balancer whose backends are vm1 and vm2. There is only one frontend IP in the load balancer in sn1. When I associate a network…
asked 2024-06-17T06:59:41.11+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(70.4, 63%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EQH%3C/text%3E%3C/svg%3E)
Qiu, Horus
20
Reputation points
accepted 2024-06-18T04:38:38.8633333+00:00
Qiu, Horus
20
Reputation points