cloud network question

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fork
Posts: 3
Joined: Fri Mar 31, 2023 1:03 am

cloud network question

Post by fork » Wed Apr 05, 2023 7:12 am

Deploying SE-VPN SERVER in AWS, disabling NAT and DHCP, creating a new local bridge associated with the only network card in EC2, connecting with a client, always displaying the acquisition of DHCP, and finally obtaining the IP of 169.254.61.43. Normally, the intranet IP segment of AWS EC2 should be obtained. If this problem cannot be solved, is it impossible to connect LAN to LAN? May I ask what the problem is? How to solve it?

solo
Posts: 1228
Joined: Sun Feb 14, 2021 10:31 am

Re: cloud network question

Post by solo » Wed Apr 05, 2023 8:49 am

fork wrote:
Wed Apr 05, 2023 7:12 am
is it impossible to connect LAN to LAN?
Possible https://www.softether.org/4-docs/1-manu ... Routing%29

fork
Posts: 3
Joined: Fri Mar 31, 2023 1:03 am

Re: cloud network question

Post by fork » Wed Apr 05, 2023 11:03 pm

AWS EC2 public IP, private IP (172.17. x.x), establish a local localbridge, VPN dial in, assign 169.254.61.43 IP addresses to clients, and NAT is closed. Normally, the client should be assigned a 172.17. x.x IP. I don't know whether I understand it correctly or not, but what happened to another IP. The promiscuous mode is open, and doesn't it support AWS?

solo
Posts: 1228
Joined: Sun Feb 14, 2021 10:31 am

Re: cloud network question

Post by solo » Thu Apr 06, 2023 12:54 am

Look, AWS will not serve DHCP to your VPN clients and 169.254.x.x is Windows "Automatic Private IP Addressing" (APIPA) when no DHCP exists.

If LAN-to-LAN is really what you want, then L3 is the only option https://www.softether.org/4-docs/1-manu ... Routing%29

Otherwise, what's your objective?

fork
Posts: 3
Joined: Fri Mar 31, 2023 1:03 am

Re: cloud network question

Post by fork » Thu Apr 06, 2023 2:32 am

The IP assigned by the local bridge is incorrect. I am unable to access the internet through AWS VPN SERVER

solo
Posts: 1228
Joined: Sun Feb 14, 2021 10:31 am

Re: cloud network question

Post by solo » Thu Apr 06, 2023 4:23 am

fork wrote:
Thu Apr 06, 2023 2:32 am
The IP assigned by the local bridge is incorrect. I am unable to access the internet through AWS VPN SERVER
So it's not about LAN-to-LAN at all and you want us to second-guess your objectives. I'll do it once only. Here it goes:
  • do not bridge anything
  • enable SecureNAT with all defaults
Bye.

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