University of Cambridge VPN connectivity issues.
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University of Cambridge VPN connectivity issues.
04-12-2018 9:41 AM
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My work VPN (https://help.uis.cam.ac.uk/service/apps-desktops/remote-access/uis-vpn) recently stopped working from home.
I have seen other posts on this forum regarding 146.x.x.x IP ex-American addresses and can confirm I have one of those.
I'm using the windows and android built in VPN software and it works when connected elsewhere, so there is no issue with my settings.
Has something changed recently to break this functionality?
Thanks,
Nick
Re: University of Cambridge VPN connectivity issues.
05-12-2018 2:42 PM
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Hi @nec10,
I've discussed this with @scrookes and we've reached out to the university to investigate this further and work towards a resolution. However, in the meantime I've added a static IP to your account temporarily to try and work around the issue.
If you disconnect and reconnect your router, you should re-connect on the static IP.
I hope this helps.
Re: University of Cambridge VPN connectivity issues.
06-12-2018 7:46 AM - edited 06-12-2018 7:48 AM
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Hi
I can confirm it's all working now 🙂
Was it to do with my IP? - it's now in the 80.x.x.x range as it used to be.
The vpn guys here couldn't even see any traffic getting to them before - when it was on the old IP.
Thanks,
Nick
Re: University of Cambridge VPN connectivity issues.
06-12-2018 9:50 PM
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Glad to hear that's working on the temporary static IP.
Between us and the University we should be able to work towards resolving the root cause of the problem whether that's on our side or theirs, before we remove the static IP.
Re: University of Cambridge VPN connectivity issues.
06-12-2018 11:58 PM
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Re: University of Cambridge VPN connectivity issues.
07-12-2018 8:42 AM
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@nec10 - Where are you getting this number from? If you have done a speed test with your VPN connected it may well be the limitation of this that you are seeing. Try doing a speed check with the VPN off then on to see if this is the case.
Re: University of Cambridge VPN connectivity issues.
07-12-2018 8:55 AM
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Hi
Running speedtest .net app on my android phone/tablet/windows PCs - normally get at least 20Mb - I haven't seen speeds that slow since I had to replace the previous buggy plusnet router a couple of years ago.
I'll test again tonight when I get back home.
Thanks,
Nick
Re: University of Cambridge VPN connectivity issues.
07-12-2018 2:53 PM - edited 07-12-2018 2:55 PM
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Hi @nec10, sorry to hear you're having speed issues.
Checking your connection from this side and looking at the results below we can see 44.4Mbps download and 14.3Mbps upload getting to the router however this is below the estimates for your line with signs pointed out in orange that the sync speed has been changing/dropping recently.
Test Outcome | Pass |
Test Outcome Code | GTC_FTTC_SERVICE_0000 |
Description | GEA service test completed and no fault found . |
Main Fault Location | OK |
Sync Status | In Sync |
Downstream Speed | 44.4 Mbps |
Upstream Speed | 14.3 Mbps |
Appointment Required | N |
Fault Report Advised | N |
NTE Power Status | PowerOn |
Voice Line Test Result | Pass |
Bridge Tap | Not Detected |
Repetitive Electrical Impulse Noise | Not Detected |
Estimated Line Length In Metres | 568.3 |
Upstream Rate Assessment | Reasonable |
Downstream Rate Assessment | Low |
Interference Pattern | Not Detected |
Service Impact | No Impact Observed |
Home Wiring Problem | Not Detected |
Downstream Policing Discard Rate | 0.0 |
Customer Traffic Level | Upstream and Downstream Traffic Detected |
Technology | VDSL |
Profile Name | 0.128M-80M Downstream, Retransmission Low - 0.128M-15M Upstream, Retransmission High |
Time Stamp | 2018-11-24T14:45:00 |
Parameters | MIN | MAX | AVG |
Down Stream Line Rate | 44.4 Mbps | 48.8 Mbps | 46.5 Mbps |
Up Stream Line Rate | 14.9 Mbps | 15.0 Mbps | 14.9 Mbps |
Up Time | 796.0 Sec | 900.0 Sec | 899.7 Sec |
Retrains | 0.0 | 1.0 | 0.0 |
Current and Last 15 Minute Bin Performance | ||
Parameters | Last Traffic Count(Upto 15 mins) | Current Traffic Count(Upto 15 mins) |
Start Time Stamp | 2018-12-07T14:10:17Z | 2018-12-07T14:25:17Z |
Ingress Code Violation | 0 | 0 |
Egress Code Violation | 0 | 0 |
Errored Seconds | 0 | 0 |
Severely Errored Seconds | 0 | 0 |
Unavailable Seconds | 0 | 0 |
Featured Products |
Downstream Line Rate(Mbps) |
Upstream Line Rate(Mbps) |
Downstream Handback Threshold(Mbps) |
WBC FTTC Availability Date |
WBC SOGEA Availability Date |
Left in Jumper |
||
---|---|---|---|---|---|---|---|---|
High | Low | High | Low | |||||
VDSL Range A (Clean) | 72 | 50.7 | 20 | 14.3 | 45 | Available | Available | -- |
From our side the above results highlight something out of place somewhere given the sync speeds are below your estimates although when testing nothing is showing apparent as the cause of the lower speeds. It also doesn't explain the 0.5Mbps speeds you were seeing on your side when testing either unless this test was done over wireless? Or with something running in the background?
Either way, moving forwards so we can begin to rule out a few things that may be causing this I'd advise following the steps below and begin troubleshooting the lower speeds:
I'd recommend starting with basic checks here: http://goo.gl/p2tpvL
And if that doesn't help the next thing would be to rule your internal wiring out by plugging the connection into your test socket which is under the face plate of your master socket and seeing if the speeds return within the estimates. This rules out internal wiring, face plates and extension sockets as being the cause. How to locate the test socket and set your connection into it can be found here:
https://community.plus.net/t5/Library/Testing-From-The-Master-Socket/ba-p/1322242
If the problem still persists from here we will go down the route of raising a fault. Let us know how it goes.
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- Re: University of Cambridge VPN connectivity issue...