Configuring LAN Routing In AWS












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I have a new type of security that runs over every type of network, under apps/systems at Layer 2/3 and is invisible throughout. Sounds cool until you try to demo this stuff.



I used to run Wireshark on a gateway device between multiple physical devices in order to intercept packets on the wire. Otherwise, Wireshark (and PCAP) are too high up and miss the packets we encrypt/decrypt. Those devices ran a simple P2P chat application that sent plain text messages. I would turn encryption on and off and the chat program never had an issue. With Wireshark on the gateway, I could show payloads in plaintext or encrypted.



Now I am being forced to move my demo to the cloud and I need to accomplish this same setup. I have 5 Windows Server 2016 boxes running the same plaintext chat program but I have no idea how to set up a gateway and then force those communications through the new gateway/router.



I found this article - https://protechgurus.com/configure-lan-routing-windows-server-2016/ - that provides details on connecting local subnets using routing but I need to be much more specific. Ideally, I would send something to 10.0.0.2 (the router) and it would broadcast that message to all locally-connected instances. I tried messing with the LAN Routing and it (I) failed miserably.



Can somebody please provide some help? I have a couple of days until the demo goes live and no time...



Thank you!










share|improve this question

























  • Amazon VPC does not support broadcast or multicast but it does have an internal router and you can configure route tables. This is how, for example, all outbound traffic from VMs in a private subnet is routed through a NAT. It's also how most gateway security appliances in AWS receive traffic.

    – jarmod
    Nov 25 '18 at 22:35
















0















I have a new type of security that runs over every type of network, under apps/systems at Layer 2/3 and is invisible throughout. Sounds cool until you try to demo this stuff.



I used to run Wireshark on a gateway device between multiple physical devices in order to intercept packets on the wire. Otherwise, Wireshark (and PCAP) are too high up and miss the packets we encrypt/decrypt. Those devices ran a simple P2P chat application that sent plain text messages. I would turn encryption on and off and the chat program never had an issue. With Wireshark on the gateway, I could show payloads in plaintext or encrypted.



Now I am being forced to move my demo to the cloud and I need to accomplish this same setup. I have 5 Windows Server 2016 boxes running the same plaintext chat program but I have no idea how to set up a gateway and then force those communications through the new gateway/router.



I found this article - https://protechgurus.com/configure-lan-routing-windows-server-2016/ - that provides details on connecting local subnets using routing but I need to be much more specific. Ideally, I would send something to 10.0.0.2 (the router) and it would broadcast that message to all locally-connected instances. I tried messing with the LAN Routing and it (I) failed miserably.



Can somebody please provide some help? I have a couple of days until the demo goes live and no time...



Thank you!










share|improve this question

























  • Amazon VPC does not support broadcast or multicast but it does have an internal router and you can configure route tables. This is how, for example, all outbound traffic from VMs in a private subnet is routed through a NAT. It's also how most gateway security appliances in AWS receive traffic.

    – jarmod
    Nov 25 '18 at 22:35














0












0








0








I have a new type of security that runs over every type of network, under apps/systems at Layer 2/3 and is invisible throughout. Sounds cool until you try to demo this stuff.



I used to run Wireshark on a gateway device between multiple physical devices in order to intercept packets on the wire. Otherwise, Wireshark (and PCAP) are too high up and miss the packets we encrypt/decrypt. Those devices ran a simple P2P chat application that sent plain text messages. I would turn encryption on and off and the chat program never had an issue. With Wireshark on the gateway, I could show payloads in plaintext or encrypted.



Now I am being forced to move my demo to the cloud and I need to accomplish this same setup. I have 5 Windows Server 2016 boxes running the same plaintext chat program but I have no idea how to set up a gateway and then force those communications through the new gateway/router.



I found this article - https://protechgurus.com/configure-lan-routing-windows-server-2016/ - that provides details on connecting local subnets using routing but I need to be much more specific. Ideally, I would send something to 10.0.0.2 (the router) and it would broadcast that message to all locally-connected instances. I tried messing with the LAN Routing and it (I) failed miserably.



Can somebody please provide some help? I have a couple of days until the demo goes live and no time...



Thank you!










share|improve this question
















I have a new type of security that runs over every type of network, under apps/systems at Layer 2/3 and is invisible throughout. Sounds cool until you try to demo this stuff.



I used to run Wireshark on a gateway device between multiple physical devices in order to intercept packets on the wire. Otherwise, Wireshark (and PCAP) are too high up and miss the packets we encrypt/decrypt. Those devices ran a simple P2P chat application that sent plain text messages. I would turn encryption on and off and the chat program never had an issue. With Wireshark on the gateway, I could show payloads in plaintext or encrypted.



Now I am being forced to move my demo to the cloud and I need to accomplish this same setup. I have 5 Windows Server 2016 boxes running the same plaintext chat program but I have no idea how to set up a gateway and then force those communications through the new gateway/router.



I found this article - https://protechgurus.com/configure-lan-routing-windows-server-2016/ - that provides details on connecting local subnets using routing but I need to be much more specific. Ideally, I would send something to 10.0.0.2 (the router) and it would broadcast that message to all locally-connected instances. I tried messing with the LAN Routing and it (I) failed miserably.



Can somebody please provide some help? I have a couple of days until the demo goes live and no time...



Thank you!







amazon-web-services amazon-ec2 gateway windows-server






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edited Nov 25 '18 at 22:06







Ken Tola

















asked Nov 25 '18 at 21:16









Ken TolaKen Tola

381515




381515













  • Amazon VPC does not support broadcast or multicast but it does have an internal router and you can configure route tables. This is how, for example, all outbound traffic from VMs in a private subnet is routed through a NAT. It's also how most gateway security appliances in AWS receive traffic.

    – jarmod
    Nov 25 '18 at 22:35



















  • Amazon VPC does not support broadcast or multicast but it does have an internal router and you can configure route tables. This is how, for example, all outbound traffic from VMs in a private subnet is routed through a NAT. It's also how most gateway security appliances in AWS receive traffic.

    – jarmod
    Nov 25 '18 at 22:35

















Amazon VPC does not support broadcast or multicast but it does have an internal router and you can configure route tables. This is how, for example, all outbound traffic from VMs in a private subnet is routed through a NAT. It's also how most gateway security appliances in AWS receive traffic.

– jarmod
Nov 25 '18 at 22:35





Amazon VPC does not support broadcast or multicast but it does have an internal router and you can configure route tables. This is how, for example, all outbound traffic from VMs in a private subnet is routed through a NAT. It's also how most gateway security appliances in AWS receive traffic.

– jarmod
Nov 25 '18 at 22:35












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