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Need optimal settings for fast reconnection

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Hi, 
I am running a p2p service over vpn. I'd like to have a fast reconnection once the 24 disconnection by my ISP happens. Currently it takes about 1-2minutes after the reconnection to my ISP to establish a vpn connection again.
I am currently running with default settings from the generator with UDP 443.
 

client
dev tun
remote xyz123.airdns.org 443
resolv-retry infinite
nobind
persist-key
persist-tun
auth-nocache
verb 3
explicit-exit-notify 5
rcvbuf 262144
sndbuf 262144
push-peer-info
setenv UV_IPV6 yes
remote-cert-tls server
cipher AES-256-CBC
comp-lzo no
proto udp
key-direction 1


Are there ways to make the reconnection happen faster?

Thanks

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Just out of curiosity, what's your ISP and country? A daily reconnect sounds very familiar to what Fritz!Box routers in Germany are configured to do on DSL by default, but that's not needed with most ISPs in Germany anymore. So if you're in Germany, you might as well disable that to fix this altogether if the ISP is right.

Otherwise, I'd probably drastically lower connection timeouts. The OpenVPN default is 120 seconds, AirVPN servers push 60, and you might be able to lower this to 10 or even 5 if you need. Pay some attention to your connections when setting this so low, as OpenVPN will forcibly reconnect, no matter if the line is under high load or it's really a disconnect. Add this to the config:

ping-restart 10

.

» I am not an AirVPN team member. All opinions are my own and are not to be considered official. Only the AirVPN Staff account should be viewed as such.

» The forums is a place where you can ask questions to the community. You are not entitled to guaranteed answer times. Answer quality may vary, too. If you need professional support, please create tickets.

» If you're new, take some time to read LZ1's New User Guide to AirVPN. On questions, use the search function first. On errors, search for the error message instead.

» If you choose to create a new thread, keep in mind that we don't know your setup. Give info about it. Never forget the OpenVPN logs or, for Eddie, the support file (Logs > lifebelt icon).

» The community kindly asks you to not set up Tor exit relays when connected to AirVPN. Their IP addresses are subject to restrictions and these are relayed to all users of the affected servers.

 

» Furthermore, I propose that your paranoia is to be destroyed. If you overdo privacy, chances are you will be unique amond the mass again.

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Posted ... (edited)
12 hours ago, OpenSourcerer said:

Just out of curiosity, what's your ISP and country? A daily reconnect sounds very familiar to what Fritz!Box routers in Germany are configured to do on DSL by default, but that's not needed with most ISPs in Germany anymore. So if you're in Germany, you might as well disable that to fix this altogether if the ISP is right.
 

Well my ISP really has 24h reconnections and I rather want to set the time when that happens.
 
12 hours ago, OpenSourcerer said:

Otherwise, I'd probably drastically lower connection timeouts. The OpenVPN default is 120 seconds, AirVPN servers push 60, and you might be able to lower this to 10 or even 5 if you need. Pay some attention to your connections when setting this so low, as OpenVPN will forcibly reconnect, no matter if the line is under high load or it's really a disconnect. Add this to the config:

ping-restart 10


Thanks, I will give this a try and see whether and how often it reconnects due to high load. 
Does it make a difference to use udp or tcp regarding the reconnections?

I also sometimes have reconnections where the vpn connection is kept. How can this happen? Edited ... by vpnps

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18 hours ago, vpnps said:

Does it make a difference to use udp or tcp regarding the reconnections?


I don't think so, and even if TCP was better, I'd strongly recommend staying on UDP because the performance is much better.
 
Quote

I also sometimes have reconnections where the vpn connection is kept. How can this happen?


How do you mean? Having reconnects while the VPN connection is kept is paradoxical :D

» I am not an AirVPN team member. All opinions are my own and are not to be considered official. Only the AirVPN Staff account should be viewed as such.

» The forums is a place where you can ask questions to the community. You are not entitled to guaranteed answer times. Answer quality may vary, too. If you need professional support, please create tickets.

» If you're new, take some time to read LZ1's New User Guide to AirVPN. On questions, use the search function first. On errors, search for the error message instead.

» If you choose to create a new thread, keep in mind that we don't know your setup. Give info about it. Never forget the OpenVPN logs or, for Eddie, the support file (Logs > lifebelt icon).

» The community kindly asks you to not set up Tor exit relays when connected to AirVPN. Their IP addresses are subject to restrictions and these are relayed to all users of the affected servers.

 

» Furthermore, I propose that your paranoia is to be destroyed. If you overdo privacy, chances are you will be unique amond the mass again.

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Posted ... (edited)
5 hours ago, OpenSourcerer said:

 
How do you mean? Having reconnects while the VPN connection is kept is paradoxical :D
It certainly sounds strange but thats what sometimes happens. I have the 24h ISP disconnection and getting a new public ip but I keep the vpn connection alive. I don't know how that works. Edited ... by vpnps

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14 hours ago, vpnps said:

I have the 24h ISP disconnection and getting a new public ip but I keep the vpn connection alive


If you don't get disconnected, chances are the IP remained the same.

» I am not an AirVPN team member. All opinions are my own and are not to be considered official. Only the AirVPN Staff account should be viewed as such.

» The forums is a place where you can ask questions to the community. You are not entitled to guaranteed answer times. Answer quality may vary, too. If you need professional support, please create tickets.

» If you're new, take some time to read LZ1's New User Guide to AirVPN. On questions, use the search function first. On errors, search for the error message instead.

» If you choose to create a new thread, keep in mind that we don't know your setup. Give info about it. Never forget the OpenVPN logs or, for Eddie, the support file (Logs > lifebelt icon).

» The community kindly asks you to not set up Tor exit relays when connected to AirVPN. Their IP addresses are subject to restrictions and these are relayed to all users of the affected servers.

 

» Furthermore, I propose that your paranoia is to be destroyed. If you overdo privacy, chances are you will be unique amond the mass again.

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9 hours ago, OpenSourcerer said:

If you don't get disconnected, chances are the IP remained the same.
Nope, that's not the case. Thta's the first thing I checked :)
I get a new ipv4 and a new ipv6 prefix.

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So, does ping-restart work? :)


» I am not an AirVPN team member. All opinions are my own and are not to be considered official. Only the AirVPN Staff account should be viewed as such.

» The forums is a place where you can ask questions to the community. You are not entitled to guaranteed answer times. Answer quality may vary, too. If you need professional support, please create tickets.

» If you're new, take some time to read LZ1's New User Guide to AirVPN. On questions, use the search function first. On errors, search for the error message instead.

» If you choose to create a new thread, keep in mind that we don't know your setup. Give info about it. Never forget the OpenVPN logs or, for Eddie, the support file (Logs > lifebelt icon).

» The community kindly asks you to not set up Tor exit relays when connected to AirVPN. Their IP addresses are subject to restrictions and these are relayed to all users of the affected servers.

 

» Furthermore, I propose that your paranoia is to be destroyed. If you overdo privacy, chances are you will be unique amond the mass again.

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Posted ... (edited)
On 12/20/2020 at 12:50 AM, OpenSourcerer said:

So, does ping-restart work? :)

I added it to the ovpn file and restarted the service.
It didnt have any impact and took still almost a minute before it reconnect to the vpn server. It looks like that ping-restart is only server side? and is set to 60s?

And today was the first day where the client needed to reconnect to the vpn server. I still dont know how that worked without a connection loss on the other days. Edited ... by vpnps

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12 hours ago, vpnps said:

It didnt have any impact and took still almost a minute before it reconnect to the vpn server.


Okay. Try this instead:

keepalive 5 10


It's short for ping 5, ping-restart 10. Maybe you need to lower the ping frequency, too.

» I am not an AirVPN team member. All opinions are my own and are not to be considered official. Only the AirVPN Staff account should be viewed as such.

» The forums is a place where you can ask questions to the community. You are not entitled to guaranteed answer times. Answer quality may vary, too. If you need professional support, please create tickets.

» If you're new, take some time to read LZ1's New User Guide to AirVPN. On questions, use the search function first. On errors, search for the error message instead.

» If you choose to create a new thread, keep in mind that we don't know your setup. Give info about it. Never forget the OpenVPN logs or, for Eddie, the support file (Logs > lifebelt icon).

» The community kindly asks you to not set up Tor exit relays when connected to AirVPN. Their IP addresses are subject to restrictions and these are relayed to all users of the affected servers.

 

» Furthermore, I propose that your paranoia is to be destroyed. If you overdo privacy, chances are you will be unique amond the mass again.

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