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Questions tagged [nlb]

NLB is short for Network Load Balancing, used to balance load across multiple servers by round robin or other queuing techniques.

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AWS NLB with port range per target-group in autoscaling group

Context: I have a simple setup with a private VPC endpoint that points to an NLB that distributes plain TCP (not HTTP) traffic to multiple EC2 instances in an autoscaling group. We are hitting the port limit (~65k) for open TCP connections to those…
Schäbo
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Random failure of NLB Health Check while registering ECS fargate instances

I'm seeing a random failure of NLB health checks when registering the ECS fargate instances, healths checks get passed after a couple of failures. I do a wide open SG that's attached to fargate Instances. Did anyone had a similar behaviour while…
chris
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Can we have 2 APIgateway for one NLB?

We have 2 internal service in a single VPC that is open to internet via APIgateway(Regional) Vpc link. For green blue deployment APIGateway is only fix point for us. Now one of the service have to talk to other service, and we do that via hitting…
Snigdhajyoti
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Is it possible to use ASP.NET Core + IdentityServer4 JWT in AWS PrivateLink?

I've been running my web API under AWS Windows VM with IIS using Asp.Net Core and IdentityServer4. The Identity Server is running on the same application of my secured controller. This is running perfectly with no issue using my external domain of…
Dave Gahan
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How to update AWS NLB setting to store logs in S3 bucket by k8s annotations

I want to configure AWS NLB to store logs at the S3 bucket? I have: AWS EKS cluster (v1.15), NLB (created by Nginx controller), S3 bucket with AIM (done as described here:…
fireman777
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CloudFormation !Select with !Split function with load balancer arn

I am trying to create cloudwatch alarm for Network ELB using cloudformation template. I am using Select function with the combination of split function to fetch require…
Sagar Jadhav
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AWS Network Load Balancers and Ephemeral ports

I have an AWS NLB listening on port 443 with TLS. The requests are forwarded to a TCP Taget Group, port 80. My app is containerized and deployed through ECS. I want to take advantage of the dynamic port mapping provided by ECS. Do I need to open the…
EM90
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AWS Build a Modern Web Application : not able to complete step 4/C in module 2B

I am trying to complete AWS' Build A Modern Web Application at https://aws.amazon.com/getting-started/hands-on/build-modern-app-fargate-lambda-dynamodb-python/ and am having trouble completing part C (test the service) of Step 4 in Module 2B of the…
Sonny
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Can I use VPC Link to NLB with ACM private certificate?

I've got an AWS API GW that I'm trying to hook up to HTTPS REST endpoints in a different VPC. According to AWS support and the docs I've ready the solution is to use a VPC link pointing to an NLB in the GWs VPC with IP targets in the other VPC. My…
Malcolm McRoberts
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Jenkins Agent JNLP Behind AWS NLB Connection Timout

I am trying to setup a Jenkins agent running on a Mac Mini that will connect to the Master instance in AWS using JNLP. I have created a Network Load Balancer that listens on port 50000 and forwards the traffic to the Master instance. The security…
quasar
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NLB support for IP based Loadbalancing

Does AWS NLB has any support for source IP based Loadbalancing? Ex: say if IP range is 34.5.5.5-34.5.5.254 forward traffic to instance X? Or if Traffic is from 34.6.6.6 forward to instance Y Is there anyway to achieve this in AWS NLB?
Karthik
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How to Change the Public IP to Elastic IP in NetworkLoadbalancer

As of now we can create NLb from K8s with this annotation "service.beta.kubernetes.io/aws-load-balancer-type: "nlb". It will take take available Public IP in the subnet. So is it possible to change the SubnetMapping with the Elastic IP from AWS CLI…
Karthik
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Exposing a ECS instance hosted in private subnet to external world(public ip)

I am having two .net core Web API's hosted in 2 docker containers Ex:- API1 on container C1 and API2 on C2 both listens to port 80. I have an ECS Cluster created inside a private subnet and I have hosted container C1 as a service inside the…
user793886
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Ansible aws network load balancer

Is there a way to use Ansible to create a Network Load Balance in AWS? There is a module for Application LB but not for NLB. Is it possible to use Boto3 to do it?
Elieyal
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My kubernetes AWS NLB integration is not working

I am trying to deploy a service in Kubernetes available through a network load balancer. I am aware this is an alpha feature at the moment, but I am running some tests. I have a deployment definition that is working fine as is. My service definition…
manemarron
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