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0 votes
0 answers
53 views

How to setup load balanced / fail-over route where there are multiple valid routes to the same subnet?

We have a situation where we have multiple EC2 instances each running a VPN. Both the remote VPN server and remote subnet are run by a third-party and we have no say in the way they are setup. We don'...
Philip Couling's user avatar
0 votes
1 answer
284 views

Routing between two Cisco CSR1000v instances on AWS

I'm building a lab in AWS with Cisco CSR1000v virtual routers. I've tried both the below options. In option 1, there's no way to force the traffic from linux1 or 2 to the respective CSR routers since ...
kaziman's user avatar
0 votes
2 answers
808 views

AWS EC2 public IP unreachable over IPSec VPN but private IP still reachable

We have a FortiGate (FortiOS 6.0) connected to a IPSec Site-to-Site VPN (Dynamic BGP) on AWS. When the VPN is up, we can only access EC2 using the private IP, public IP no longer works. Only the ...
Joshua's user avatar
  • 121
2 votes
1 answer
581 views

How do I set up an ssh -w tunnel VPN between AWS VPC and a Linode?

I'm probably not going to use this for the long term, but I still want to know why this isn't working. I've set up a simple ssh tunnel from my Linode instance to one AWS EC2 instance within my VPC. ...
Jim Dennis's user avatar
1 vote
1 answer
1k views

Routing Strategy for Multiple VPCs on AWS

I am planning to setup multiple Virtual Private Clouds (VPC) on AWS. These VPCs will be located in different geos. Each VPC will have public as well as private instances. I need to incorporate an ...
tilmik's user avatar
  • 135
0 votes
2 answers
644 views

How can I make outbound requests from two servers that appear to come from the same IP address

I am making calls from an ec2 instance to a third party web service (over which I have no control). I would like to be able to scale horizontally, so that I can make these calls from multiple ec2 ...
Brad's user avatar
  • 101