Evening VPN performance issue (IPsec, not L2TP)
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Evening VPN performance issue (IPsec, not L2TP)
10-09-2009 12:37 PM
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Re: Evening VPN performance issue (IPsec, not L2TP)
10-09-2009 12:45 PM
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If it helped click the thumb
If it fixed it click 'This fixed my problem'
Re: Evening VPN performance issue (IPsec, not L2TP)
10-09-2009 1:22 PM
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If you're referring to the connection linked to this account then there's certainly no reason why you should have experienced VPN issues last night.
Re: Evening VPN performance issue (IPsec, not L2TP)
10-09-2009 2:24 PM
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Have you checked pings not over the VPN (I'd suggest comparing pinging day/evening on one of the Plusnet DNS servers).
jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Evening VPN performance issue (IPsec, not L2TP)
10-09-2009 10:17 PM
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bytes=32 time=75ms TTL=122
bytes=32 time=51ms TTL=122
bytes=32 time=49ms TTL=122
bytes=32 time=77ms TTL=122
bytes=32 time=62ms TTL=122
bytes=32 time=46ms TTL=122
bytes=32 time=49ms TTL=122
bytes=32 time=76ms TTL=122
bytes=32 time=73ms TTL=122
bytes=32 time=44ms TTL=122
bytes=32 time=64ms TTL=122
bytes=32 time=53ms TTL=122
bytes=32 time=107ms TTL=122
bytes=32 time=50ms TTL=122
bytes=32 time=48ms TTL=122
bytes=32 time=62ms TTL=122
bytes=32 time=1260ms TTL=122
bytes=32 time=65ms TTL=122
bytes=32 time=69ms TTL=122
bytes=32 time=52ms TTL=122
Seems very variable. Not clear why folder access is as slow as it is, anything up to 30s for a folder to show.
Re: Evening VPN performance issue (IPsec, not L2TP)
10-09-2009 11:22 PM
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Re: Evening VPN performance issue (IPsec, not L2TP)
11-09-2009 12:11 AM
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jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Evening VPN performance issue (IPsec, not L2TP)
11-09-2009 9:22 AM
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Directory browse works at an acceptable rate from work to home.
Re: Evening VPN performance issue (IPsec, not L2TP)
11-09-2009 9:33 AM
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If pings not via the VPN are unaffected your next stage will be to get a Wireshark capture to make sure that the VPN traffic is being correctly identified and put in the correct queue.
jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Evening VPN performance issue (IPsec, not L2TP)
11-09-2009 9:52 AM
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Re: Evening VPN performance issue (IPsec, not L2TP)
11-09-2009 5:29 PM
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Quote from: oliverb I'm not sure if capture will be possible, this is a router-to-router bridge not a dial-in, so by the time the packets reach my network the VPN "Wrapper" has been removed.
Hi there,
I'm not sure if the service offer field will be removed or not, I would try if I were you and check the packet details.
if you are unable to check them, you will have only one option to check this via wireshark (the hard way):
you will need a hub not a switch! this is because hub broadcast everything to all ports without checking the packet destination
you will need 2 extra ethernet cables
connect the hub to the wan port on your vpn router that goes to the internet router, connect another cable from the internet modem/router to the hub and finally connect another pc or laptop to that hub and run wireshark on it while you are using the VPN as normal on your work PC.
basically the hub will broadcast the packets and the pc with wireshark connected to the hub will be able to capture them
I've produced a diagram, hope this is helpful, it might be a bit OTT for a vpn investigation but it is the best way for checking packets between 2 nodes.
Re: Evening VPN performance issue (IPsec, not L2TP)
11-09-2009 5:36 PM
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jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Evening VPN performance issue (IPsec, not L2TP)
11-09-2009 6:58 PM
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Re: Evening VPN performance issue (IPsec, not L2TP)
11-09-2009 7:13 PM
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if the router is the vpn device as well, then you can't find out the actual service offer for the packets.
if it is exactly the same set I though as in the diagram then the wraps will be removed at their destination (the VPN device) which allows you to capture the traffic and check the service offer because the router is only forwarding the packets to the VPN device not re-encapsulating and stripping the wraps the packets.
Re: Evening VPN performance issue (IPsec, not L2TP)
11-09-2009 9:10 PM
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