All Questions
Tagged with amazon-vpc amazon-elb
30
questions
0
votes
0
answers
55
views
Apache/AWS: How to identify local instance requests from the same VPC
In this configuration the apache server instances are all in the same VPC (across several subnets) and all incoming requests are managed via an elastic load balancer, (with ProxyProtocol=On on each ...
- 101
1
vote
0
answers
50
views
AWS sample template vpc+multiple subnets not working
I'm deploying an apparently simple CloudFormation template from AWS samples: https://s3-ap-northeast-1.amazonaws.com/cloudformation-templates-ap-northeast-1/vpc_multiple_subnets.template
As stated, it ...
- 661
2
votes
1
answer
192
views
Separate public subnets for VPN access in my AWS VPC
I'm setting up an AWS VPC, and have carved it up into public, cache, persistence and compute subnets.
I plan on separating resources in the following way:
Public: ELB and VPN network association
...
- 21
0
votes
2
answers
432
views
How to resolve multiple EC2 instances for SSH in AWS?
I have multiple EC2 instances running in the same VPC (and thus same region). Is there a way that I can resolve those EC2 instances uniquely for SSH access? Let's assume that I am not using elastic ...
- 231
2
votes
1
answer
2k
views
What's the difference between setting AWS Load Balancer to VPC internal and setting equivalent inbound rules?
I'm setting up an API endpoint that I only want to be accessible from other applications inside my VPC.
The app is on Elastic Beanstalk and it appears that I can either set my Load Balancer to ...
- 133
5
votes
1
answer
3k
views
EC2 VPC Intermittent outbound connection timeouts
My production web service consists of:
Auto-scaling group
Network loadbalancer (ELB)
2x EC2 instances as web servers
This configuration was running fine until yesterday when one of the EC2 instances ...
- 121
0
votes
3
answers
2k
views
Can't access EC2 instance, but not NLB in other VPC
I've recently started the process of switching from AWS ELB to NLB, and I'm facing some connectivity issues.
We have 2 VPCs. In VPC1, both EC2 database servers, old ELB and NLB is located. In VPC2, ...
- 154
0
votes
1
answer
158
views
AWS Rouet 53 Private Hosted Zone route traffic to Ec2 hosted on Private Subnet?
I have below question:
I want to host Web Server but want to make sure external (user accessing the web server over internet) DNS resolution should go via organization Data Center. Data Center is ...
- 191
0
votes
0
answers
118
views
DNS error when switching to new VPC and subnet
We have one hosted zone in Route 53 to handle the majority of our public domain names. Most of these point to an ELB, all of which are on the same VPC.
Recently we decided to do some reorganization ...
- 181
-1
votes
2
answers
168
views
Can I use one load balance for my setup?
I have
frontend website https://www.example.com/*
backend app https://app.example.com/*
backend api https://api.example.com/*
CDN https://cdn.example.com/*
backend services (interal) https://...
- 491
0
votes
2
answers
750
views
Outward internet access behind a load balancer
I am experimenting with putting our AWS EC2 instances behind a load balancer. This works well but I have an issue that I am unsure how to resolve.
The instances that are behind the load balancer don'...
- 513
3
votes
1
answer
3k
views
Forwarding traffic from AWS ELB to another ELB
I have 2 VPCs (X and Y). We have a vpc peering connection between the two. In VPC X, we have a CNAME that needs to resolve to an ELB in VPC Y. Is there any way to make an ELB in VPC X forward traffic ...
- 133
0
votes
1
answer
2k
views
Expose a SQL server database with a load balancer
We have several Machines that communicate with each other inside a VPC on AWS. All of them are in privete subnets with no public IP address.
One of those machines is a MSSQL server, our main Database. ...
- 157
0
votes
1
answer
957
views
AWS - Unable to connect NFS instance
We have an auto-scaling group which spins up multiple instances as required. All instances in auto-scaling group take their data from separate EC2 instance (running NFS) so they can all share the same ...
- 379
1
vote
1
answer
434
views
Is there a limit on AWS ELB?
I'm running an OpsWorks stack with:
10 c3.2xlarge instances running across 4 availability zones.
The CPU never surpasses 5% on each instance.
Each instance is connecting (through a memcached layer) ...
- 151