VPN Always on unable to connect
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VPN Always on unable to connect
28-09-2020 10:25 PM
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In the last 10 days I have not been able to connect to my work VPN. This has not been an issue previously.
the address is remoteaccess.nfdc.gov.uk. We use alwayson
My ICT department have suggested several things none of which have worked.
we turned off safeguard, firewall and enabled port clamping.
we turned the router off for an hour to try and force the router to find a new IP address but it was still the same
please can you let me know what has changed and the reason I can no longer access VPN in order to work at home? My ICT department suggested that my DNS settings may need updating to some servers that work? I look forward to your help 😊
Re: VPN Always on unable to connect
29-09-2020 12:02 AM
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Do you have a static or dynamic IP? Some have said that a static IP seems to work better as some dynamic IPs don’t play well with certain VPNs.
Re: VPN Always on unable to connect
29-09-2020 9:11 AM
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Re: VPN Always on unable to connect
29-09-2020 10:08 AM
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@AnnJezLucy Unless you have requested a static IP (and paid the one-off £5.00 setup fee), you will be on a dynamic IP.
Because of the way PN IPs are now allocated, it is quite possible you will get the same one if you just do a simple router reboot. To (hopefully) get a new one, you need to disconnect for at least 65 minutes.
Re: VPN Always on unable to connect
29-09-2020 10:31 AM
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I have tried turning the router off for 10 minutes and longer than 65 minutes and it always comes back with the same IP!
I am assuming at some point I must have had a different IP as it used to connect no problem
Re: VPN Always on unable to connect
29-09-2020 10:54 AM
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No guarantees that a static IP would cure it, but it might. For £5 it's worth a shot. Strange that you always get the same IP back, even after the extended down-time.
Re: VPN Always on unable to connect
29-09-2020 1:04 PM
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Might this match the profile of VPN issues we have seen before with some IP address ranges?
What are the first 2 parts of your external IP address please?
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Re: VPN Always on unable to connect
29-09-2020 1:09 PM
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Re: VPN Always on unable to connect
29-09-2020 1:16 PM
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That looks like an acquired IP address pool - many IP Location databases report that range as belonging to EE.
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Re: VPN Always on unable to connect
29-09-2020 1:18 PM
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Re: VPN Always on unable to connect
29-09-2020 1:28 PM
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IP address ranges are often moved between suppliers. Remember that BT, EE and Plusnet are all part of a larger group and Plusnet (some might argue as a consequence of not having deployed IPv6) has needed to acquire new ranges of IP addresses.
This has largely been done from within the BT group. In the past we have seen IP addresses in such groups being problematic with some VPN services. @bobpullen is the expert on this subject ... he would need to know this information to examine the specific details here.
Does either end of your VPN implementation indicate why the connection is being refused? have your IT people looked to see if that IP range has been excluded? We have seen incorrect data supplied by Geolocation data providers result in some IP ranges being blocked from UK services. I might be barking up the wrong tree here, but the is merit in looking at similar profiles we have seen before.
As some one mentioned, a static IP address allocated from Plusnet's core pool is likely to circumvent this issue.
In another browser tab, login into the Plusnet user portal BEFORE clicking the fault & ticket links
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Re: VPN Always on unable to connect
06-10-2020 6:14 PM
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Hi
I have the same issue with my work laptop as the always on VPN is disconnected for the last one week.
Our IT team has looked into this and confirmed no problem from their end. I have done factory reset of the modem, shut it off & on etc and nothing seem to work.
My IT team has asked to check if there is any blockages or issues with the mainly used VPN ports like:
Web traffic - Port 80
And IKEv2 - port 500 UDP
Please help!
Many thanks
Re: VPN Always on unable to connect
07-10-2020 3:05 PM
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Similarly, what are the first two parts of your external IP address please?
Nudge - any thoughts here please?
In another browser tab, login into the Plusnet user portal BEFORE clicking the fault & ticket links
Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.
If this post helped, please click the Thumbs Up and if it fixed your issue, please click the This fixed my problem green button below.
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