Expected VDSL Speeds

Forums › 2degrees (including Slingshot, Orcon, Flip, Stuff Fibre, MyRepublic, 2talk and Vocus) › Expected VDSL Speeds

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21 posts

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#1041581 11-May-2014 06:36

kyhwana2:

Was this tested over wireless or wired ethernet to your router?

Wired. It's back to 20mb/s early this morning, so it has to be contention or cross-talk making the download speed shot the bed, right?

Jase2985

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#1041587 11-May-2014 07:50

is the modem disconnecting though?

armourking

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#1041590 11-May-2014 08:10

Jase2985: is the modem disconnecting though?

During the crap times? No. It's disconnected at about 4am last couple of mornings, I guess to let DLM change profiles.
During the bad period, speed tests will very briefly hit 18ish mb/s, pings and packet loss to the modems gateway will then spike, and it will crawl along to 1-4mb/s download. Upload is never seemingly effected.

Jase2985

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#1041597 11-May-2014 08:43

so the modem is still connected at 20mbps?

wouldn't that indicate the problem is not with your connecting but with your ISP or your computer settings ie dns?

can you post up your current line stats?

armourking

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#1041604 11-May-2014 09:38

Jase2985: so the modem is still connected at 20mbps?

wouldn't that indicate the problem is not with your connecting but with your ISP or your computer settings ie dns?

can you post up your current line stats?

Ping to the gateway this morning is 13 under no load, so my VDSL profile must have changed during the 4am disconnect.

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#1041609 11-May-2014 09:47

you are connected at 21/10 so there is no reason why from a connection point of view you should be seeing such slow speeds

can you find out the INP and Delay please?

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armourking

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#1041628 11-May-2014 11:01

Jase2985: you are connected at 21/10 so there is no reason why from a connection point of view you should be seeing such slow speeds

can you find out the INP and Delay please?

This DSL-N66U doesn't seem to have the interleave information, so I can grab those when I swap back to the other modem/router, because I was hoping it was a modem issue. Turns out, nope.

In the mean time, doing this speed test:

Gives us this ping to the gateway:

and looks like this in the router:

sbiddle

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#1041635 11-May-2014 11:33

What are your pings to the router. Pings like that would typically indicate saturation, which is so unlikely on your VDSL connection you need to eliminate your internal network first.

How do you have your router connected? Double NAT or bridged?

armourking

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#1041692 11-May-2014 13:25

sbiddle: What are your pings to the router. Pings like that would typically indicate saturation, which is so unlikely on your VDSL connection you need to eliminate your internal network first.
How do you have your router connected? Double NAT or bridged?

Less than 1 ms all the time. Ping from the router itself the gateway has the same issues during the speed test.
Currently plugged in is the DSL-N66U standing alone, although I have tried with the VB104W that slingshot sent (standalone) and also a tomato router in-front of the VB104W, with the 104 in bridge mode.
Makes no difference. Speeds are about on-par download-wise to my previous ADSL until about 10 o'clock in the morning, then go to complete garbage until after I go to bed.

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#1041700 11-May-2014 13:30

what DNS are you using?

tying using your ISP's default ones

armourking

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#1041703 11-May-2014 13:46

Jase2985: what DNS are you using?

tying using your ISP's default ones

Be pretty bloody weird for a DNS issue to be honest, but:
The router is getting the DNS settings from the connection, and they match Slingshots primary/secondary addresses: 202.180.64.10, 202.180.64.11
The rest of the network is getting using the router as the DNS server, so no problems there.

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#1041707 11-May-2014 14:26

armourking:
sbiddle: What are your pings to the router. Pings like that would typically indicate saturation, which is so unlikely on your VDSL connection you need to eliminate your internal network first.
How do you have your router connected? Double NAT or bridged?

Less than 1 ms all the time. Ping from the router itself the gateway has the same issues during the speed test.
Currently plugged in is the DSL-N66U standing alone, although I have tried with the VB104W that slingshot sent (standalone) and also a tomato router in-front of the VB104W, with the 104 in bridge mode.
Makes no difference. Speeds are about on-par download-wise to my previous ADSL until about 10 o'clock in the morning, then go to complete garbage until after I go to bed.

So you're running those pings tests during a speed test? If so they're showing exactly what they should be showing - saturation.

Your sync stats show 21/10 which means it's not physically possible to get faster than roughly 90% of that.

armourking

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#1041708 11-May-2014 14:33

sbiddle:
armourking:
sbiddle: What are your pings to the router. Pings like that would typically indicate saturation, which is so unlikely on your VDSL connection you need to eliminate your internal network first.
How do you have your router connected? Double NAT or bridged?

Less than 1 ms all the time. Ping from the router itself the gateway has the same issues during the speed test.
Currently plugged in is the DSL-N66U standing alone, although I have tried with the VB104W that slingshot sent (standalone) and also a tomato router in-front of the VB104W, with the 104 in bridge mode.
Makes no difference. Speeds are about on-par download-wise to my previous ADSL until about 10 o'clock in the morning, then go to complete garbage until after I go to bed.

So you're running those pings tests during a speed test? If so they're showing exactly what they should be showing - saturation.

Your sync stats show 21/10 which means it's not physically possible to get faster than roughly 90% of that.

So my 21 mb/s download link is saturating while going at 4-6mb/s to a New Zealand speedtest host. Hmm, I would have thought 90% of 21 would be slightly closer to 18.9mb/s.

sbiddle

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#1041722 11-May-2014 14:44

Your speedtest results and ping results are two very different things.

You can't run a ping test during a speedtest because your link is being saturated.

I still don't understand your network setup. You talk about "Currently plugged in is the DSL-N66U standing alone" which isn't possible because it's not a VDSL2 device.

What speed do you get with a factory default 104W running as a router with a single PC plugged in via Ethernet?

armourking

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#1041725 11-May-2014 14:56

sbiddle: Your speedtest results and ping results are two very different things.

You can't run a ping test during a speedtest because your link is being saturated.

I still don't understand your network setup. You talk about "Currently plugged in is the DSL-N66U standing alone" which isn't possible because it's not a VDSL2 device.

What speed do you get with a factory default 104W running as a router with a single PC plugged in via Ethernet?

This DSL-N66U http://www.asus.com/Networking/DSLN66U/ You might be confusing it with the RT version, which does NOT have a xDSL chipset. I can very much assure you that it is plugged into the phone line.
The speed from the factory default 104W with a single PC lovingly connected by a single ethernet cable is the same 4-6mb/s download at this time.
Like I have said previously, the speed is OKish up until 9:30-10am (About 15-18mb/s before that time, PLUS the pings to the gateway rise slightly, as expected during the download, but only to 30-60ms), after that - complete garbage, so the link / modem / router / computer setup obviously work correctly some of the time.
Just making sure I haven't missed anything obvious before I send Slingshot off to the land of wind and ghosts and go with another provider.

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