Cascaded Connection Ping Problem

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isaac19
Posts: 5
Joined: Fri Apr 01, 2022 8:44 am

Cascaded Connection Ping Problem

Post by isaac19 » Fri Apr 01, 2022 8:51 am

We have VPN SERVER in our office. Also I have VPN server Our another office. I can ping PC's in offices but I cannot PING or Reach servers. Servers connected each other cascade connection.

eddiewu
Posts: 286
Joined: Wed Nov 25, 2020 9:10 am

Re: Cascaded Connection Ping Problem

Post by eddiewu » Fri Apr 01, 2022 10:57 am

Please post your full configuration.

isaac19
Posts: 5
Joined: Fri Apr 01, 2022 8:44 am

Re: Cascaded Connection Ping Problem

Post by isaac19 » Fri Apr 01, 2022 11:50 am

I attached schema. In servers have 2 ethernet. I added local bridge each side. I can ping between PC and Client PC's but I cannot ping VPN SERVERs.
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eddiewu
Posts: 286
Joined: Wed Nov 25, 2020 9:10 am

Re: Cascaded Connection Ping Problem

Post by eddiewu » Fri Apr 01, 2022 2:37 pm

This is normal behavior. You can access hosts on the other side of the bridge from VPN, but not the one the bridge is on.
This is a Linux limitation.
If you need access to the server from VPN, bridge a TAP adapter instead of a physical one.

isaac19
Posts: 5
Joined: Fri Apr 01, 2022 8:44 am

Re: Cascaded Connection Ping Problem

Post by isaac19 » Tue Apr 05, 2022 9:03 am

I want to change my question. As you can see attached new schema. All laptops connected different wifi-s. Also servers are in different networks. When i connect test_vpn network. I can send print request Printer_1 and Printer_2 and I can get print but I cannot ping cascaded VPN SERVER PC which is left side. I need to reach VPN SERVER in left side.
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eddiewu
Posts: 286
Joined: Wed Nov 25, 2020 9:10 am

Re: Cascaded Connection Ping Problem

Post by eddiewu » Tue Apr 05, 2022 10:04 am

I have already responded.
If the server is Linux, you can't ping the server from a vpn client unless you bridge a TAP adapter.
If the server is Windows, you should be able to ping the server.

isaac19
Posts: 5
Joined: Fri Apr 01, 2022 8:44 am

Re: Cascaded Connection Ping Problem

Post by isaac19 » Tue Apr 05, 2022 12:57 pm

Thank you so much. I will try.

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