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Re: Think Broadband Ping Monitor Results (POST YOURS)
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Re: Think Broadband Ping Monitor Results (POST YOURS)
In itself, no. Underlying latency will be the same. Differing levels of congestion may affect latency in the same way different (non-bonded) channels on cable will do.
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Re: Think Broadband Ping Monitor Results (POST YOURS)
I know what you're getting at, but your comparison doesn't apply here. You're presumably comparing two different ISPs running two different technologies over two different networks to two different sets of customers. That would equate to comparing Vodafone 3G with O2 4G or vice versa.
To relate to 3G/4G you would have to compare graphs from the same ISP, running two different technologies, from the same exchange, over the same backhaul, to the same core network, to the same set of customers in the same location. For example BT Infinity FTTP vs. BT Total Broadband, VM Big Red Internet vs. VM Cable/ADSL, etc. For fibre to have higher latency in either case would be extremely rare. |
Re: Think Broadband Ping Monitor Results (POST YOURS)
Hi i`m new to these forums, i had virgin 30mb broadband installed in november which was fine until a few weeks ago then when playing wow online at the usual time at around 7-8pm ish i noticed major latency issues,just becoming totally unplayable and internet browsing the same not unusable just very slow,and has been everyday since,ive just started thinkbroadband monitor today and from what i`ve seen in here to compare it with i dont think its looks too good,just wanted some advice on what to do next http://www.thinkbroadband.com/ping/s...5-01-2013.html
i hope ive linked that right,im new to forums sorry if its not worked proper |
Re: Think Broadband Ping Monitor Results (POST YOURS)
That looks like a very high utilisation problem if it is mostly in the evenings. You can try virgins community forums to get it logged but don't be surprised if it takes them a few months or more to fix it, especially if you are in south london
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Re: Think Broadband Ping Monitor Results (POST YOURS)
Thanks for the reply,im not in south london area i`m in Wigan area according to their website i am due a double speed upgrade at the end of feb,im not to familiar with how it all works its probably fine at the other times of the day just the time i use it dosent work which ****es me off a bit as you expect to get what you pay for.
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Re: Think Broadband Ping Monitor Results (POST YOURS)
Pretty sure Wigan has quite a few over utilization problems. Keep hearing that location along with Croydon and Bristol as having issues on virgins network.
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Did their server go down, maybe? |
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http://www.cableforum.co.uk/board/12...-is-blank.html http://forums.thinkbroadband.com/bqm...-15th-jan.html |
Re: Think Broadband Ping Monitor Results (POST YOURS)
thanks
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Re: Think Broadband Ping Monitor Results (POST YOURS)
http://www.thinkbroadband.com/ping/s...15-01-2013.png
I've never had a graph like this. I'm aware of there being an issue with the TBB site but those massive peaks don't seem normal. http://www.thinkbroadband.com/ping/s...08-01-2013.png This time last week. |
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Very sorry about this but you are affected by 2 issues: F002308103 Low SNR + FEC errors, You might find that your Virgin Broadband, Virgin TV or TiVo® services are intermittent. Estimated fix date of 20/01/2013 F001996558 High upstream utilisation causing slow speeds, lagging etc. Estimated fix date of 23/01/2013 Interesting that when you phone up they never know about these things, its always down to a faulty superhub or the users pc :doh: |
Re: Think Broadband Ping Monitor Results (POST YOURS)
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When I used to be with VM a few years ago, I had the same 2 issues as yourself which in the end didnt get resolved in a timely manner (over 12 months), so I bailed and took my business elsewhere. The low SNR issue for me would come and go making it very difficult for VM to trace the source. Also the high upstream utilisation issue was sporadic and didn't justify the necessary work to upgrade the hardware. Just bear these issues in mind, and in the end I ended up with a slow 5.6Mbps Download speed and a measly 0.9 mbps upload speed from Sky that ran far smoother than my 50 Mbps offering from Virgin. |
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Virgin has a nasty habbit of just upping the resolution time on those tickets completely arbitrarily so they're never "Behind". |
Re: Think Broadband Ping Monitor Results (POST YOURS)
Two upstreams now. The TBB efect is marked as on others we've seen.
Pity the DS went to pot with 28 dB SNR and -11 dBmv on the same channels as before with decent values. [img]Download Failed (1)[/img] |
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Found out today that Sky is going to be offering their unlimited package in my area within six months so that may end up being the answer. |
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http://www.thinkbroadband.com/ping/s...17-01-2013.png |
Re: Think Broadband Ping Monitor Results (POST YOURS)
Thejitter has reduced from 11 ms to 1 ms (according to my JDAST reports).
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Re: Think Broadband Ping Monitor Results (POST YOURS)
Yes it is a surprise. Last time I had those schmitty DS power levels and poor SNR performance was terrible, including packet loss. It sort of flies in the face of the advice I dole out to others!
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Basically I'm saying that the power levels are more of a guideline and the +/- 6 max is just what'll work best for everyone. The SNR can theoretically drop to as low as 20 and still work but once again, there's a lot more variables that are hard to check that makes it easier to just say 28+ Quote:
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Re: Think Broadband Ping Monitor Results (POST YOURS)
funny to see VM continue upgrading lower utilisation areas ahead of heavy utilisation areas and they wonder why people like me and QTX are leaving.
http://www.thinkbroadband.com/ping/s...17-01-2013.png My area is also back down to 4 downstream channels. |
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---------- Post added at 13:37 ---------- Previous post was at 13:36 ---------- Quote:
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Re: Think Broadband Ping Monitor Results (POST YOURS)
As Qasi says. The SNR strikes me as being the key value. I published in another post somewhere a table of low power levels and the necessary SNR with headroom published in the DOCSIS 3 specs. In practice, the SNR headroom needs to be DOCSIS value + 6dB to allow for impairments not attributable to the foreseen DOCSIS environment.
Yet mine currently seems to be running OK with one channel at 28 dB SNR & power at -11.5 dBmv (albeit some DS speed loss). When I had a VMNG 300, it was plain shocking when I had that brief spell at 28 dB SNR. Is my SH a good'n? LOL! |
Re: Think Broadband Ping Monitor Results (POST YOURS)
Superhubs do tend to report a higher SNR than VMNG300's on the same line.
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Re: Think Broadband Ping Monitor Results (POST YOURS)
I'm on 100mb and have reported that i've received bad latency gaming in the evenings and they just fobbed me off saying their was healthy utilisation in my area, I really wonder what he meant by healthy?
https://www.cableforum.co.uk/images/...2013/01/26.png |
Re: Think Broadband Ping Monitor Results (POST YOURS)
I think you've got more than a utilisation issue there, trikz. What's your modem stats?
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Re: Think Broadband Ping Monitor Results (POST YOURS)
here are my stats http://puu.sh/1QG0X
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Re: Think Broadband Ping Monitor Results (POST YOURS)
Hmm. Those stats, while not perfect, seem reasonable enough that you shouldn't have such terrible pings. There must be an area issue after all.
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Re: Think Broadband Ping Monitor Results (POST YOURS)
8 downstreams with only 1 upstream? Yeah that's begging for problems...
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Re: Think Broadband Ping Monitor Results (POST YOURS)
Anyone with a clue know why my connection falls apart between 4pm and Midnight exactly every day, I mean, utilisation problems shouldn't be so well scheduled and there's nothing running on my end to swamp my connection during those times by the way.
https://www.cableforum.co.uk/images/...2013/01/62.jpg |
Re: Think Broadband Ping Monitor Results (POST YOURS)
So you think another upstream could fix this? What's the sort of time-frame for them to do something like that?
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Re: Think Broadband Ping Monitor Results (POST YOURS)
after your downstream upgrades are done. i waited around 5months after my download double ETA was met. others have had to wait less than that and some more. in short no one knows.
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Re: Think Broadband Ping Monitor Results (POST YOURS)
I don't think the number of downstreams versus the number of upstreams has any impact.
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Re: Think Broadband Ping Monitor Results (POST YOURS)
load balancing Kushan?
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Re: Think Broadband Ping Monitor Results (POST YOURS)
Yeah, but that's load balancing of the network, not of the down streams the guy has. There may be an over-utilisation of the upstream he's on, but even if he was only on one downstream it wouldn't be any better is what I'm saying.
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Re: Think Broadband Ping Monitor Results (POST YOURS)
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The packet loss makes me think its not as simple as utilisation. |
Re: Think Broadband Ping Monitor Results (POST YOURS)
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Considering one downstream channel uses up to 5-10% of the upstream channel capacity to run, fully utilizing 8 downstream channels with one upstream could result in up to 80% of the upstream capacity being utilized just to operate the downstream, while nobody is uploading anything. That leaves very little upstream capacity left over for actual uploading, especially given congestion issues can begin at above 70% upstream utilization ---------- Post added at 03:12 ---------- Previous post was at 03:10 ---------- Quote:
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Re: Think Broadband Ping Monitor Results (POST YOURS)
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The takeaway in the context of Qasi's post is that the frequency of ACKs sent back (through a busy) upstream on data received will slow the download (decrease throughput). Whether or not that is a 5-10% overhead I'll leave to Qasi to justify, if he cares to. But it is an important point that he makes. |
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I'd like to know where you're getting your figures, though, 5-10% of upstream per downstream for example. Are you referring to the available bandwidth for the connection (What profile the modem is set to), or the available bandwidth for the channels (8x50Mbit on the downstream, 1x~30Mbit on the upstream?) or what? |
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http://192.168.100.1/VmRouterStatus_upstream.asp Sorry if it's a daft idea. :( (I'll get my coat on the way off the thread. :D ) |
Re: Think Broadband Ping Monitor Results (POST YOURS)
its fixed now, the issue was it couldnt get a wan ip and I guess whilst in that state in modem mode it isnt responsive. I will post a graph after some uptime.
---------- Post added at 17:52 ---------- Previous post was at 16:10 ---------- http://www.thinkbroadband.com/ping/s...22-01-2013.png ---------- Post added at 17:54 ---------- Previous post was at 17:52 ---------- http://www.thinkbroadband.com/ping/s...22-01-2013.png http://www.thinkbroadband.com/ping/s...21-01-2013.png |
Re: Think Broadband Ping Monitor Results (POST YOURS)
Seems like a massive improvement on before.
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Re: Think Broadband Ping Monitor Results (POST YOURS)
so far yeah, lets see how it goes at 6pm.
and yeah doh its already gone 6pm, 2US |
Re: Think Broadband Ping Monitor Results (POST YOURS)
something is going on right now
Maybe is local http://www.thinkbroadband.com/ping/s...23-01-2013.png http://www.pingtest.net/result/75986845.png http://www.thinkbroadband.com/ping/s...3-01-2013.html |
Re: Think Broadband Ping Monitor Results (POST YOURS)
2 days after waiting a year or so for the upgrade seems another is needed.
http://www.thinkbroadband.com/ping/s...24-01-2013.png VM just cant get that modem count down enough. |
Re: Think Broadband Ping Monitor Results (POST YOURS)
Where in LE3 are you as I notice you're graph says " Bonded US "
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Re: Think Broadband Ping Monitor Results (POST YOURS)
fosse road area.
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seems they will load balance it (or whatever they doing) by time |
Re: Think Broadband Ping Monitor Results (POST YOURS)
Just to let you know my area was under very very high utilisation and the reporting tools to check the line were broken so they couldn't detect it. However I have a fault reference number now so I hope they'll give me a date soon of when it'll be fixed. I'll post a graph of comparison after the fix :)
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Re: Think Broadband Ping Monitor Results (POST YOURS)
http://www.thinkbroadband.com/ping/s...25-01-2013.png
Mine has been fairly ok in recent times though I really don't like how much jitter there is on the minimum latency, It's been like this since they bonded so could be a side effect of that but it really did used to be a constant flat line a few ms lower than it currently is! my graphs minimum latency appears to go down at peak times and raise during the quiet times which seems odd. |
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The problem is that what's on the outage communicator isn't always in the same format as the other tool, so a quick ctrl+f doesn't always match. Sometimes, multiple tickets get combined because they're from the same issue but only the details of the "first" ticket gets listed, so it requires digging for the operator to find - many of them don't know how to do this or just can't be bothered. Sometimes, multiple issues are raised as separate tickets for the same area so many agents will just report the first one they find (which may be utlisation when there's also a fault somewhere, for example). There's loads of reasons for it, but the main one is the training documentation is **** poor. |
Re: Think Broadband Ping Monitor Results (POST YOURS)
My comments were in relation to virgins forum staff who I believe are uk based. They are able to check utilisation levels as far as I can see. The call centres are another story altogether.
What I took from your last post is that virgins system is not optimised in the best way for some areas of broadband support. Making a few changes to the system alone could make a huge difference to the amount of information available and in a shorter time, which would benefit all parties |
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You're not wrong though, there's any number of small changes that would streamline the whole operation, but there's so much red tape involved in changing ANYTHING that it's not even funny. Even the training documents. I was quite good friends with some of our trainers and they begged and pleaded numerous times to update the documentation. One of two things would happen - either they'd just get told no, or they'd get told "sure, go ahead and we'll review the changes", then when the changes came back, someone further up the chain will have dumped everything and made slight modifications to the OLD training documents. It was quite absurd, really. |
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Re: Think Broadband Ping Monitor Results (POST YOURS)
Mine has been just....well, just shocking the last few days! Although it's my fault for wanting to use my machines at times other than 2am to 6am!!!
Look at that bloody packetloss! http://www.thinkbroadband.com/ping/s...25-01-2013.png |
Re: Think Broadband Ping Monitor Results (POST YOURS)
Could the packet loss be upstream noise Your stats might tell, especially if uostream power was fluctuating.
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Re: Think Broadband Ping Monitor Results (POST YOURS)
Thanks Just got 6DS and 2US in LE3 3 today
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What should I look for. |
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In the top left hand corner of the screen there's a link marked "Router Stats". You can copy and paste the stats from there. Don't worry about the formatting if it seems scrambled. |
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Re: Think Broadband Ping Monitor Results (POST YOURS)
Jesus Chrys.....not good...I spoke to VM on Twitter and got sent to a video page asking me to check my Wireless signal...interesting seeing as I'm Wired....#numptys.
Seph, I have a router status page which then gives me a bunch of options such as status, info, upstream etc...I've pasted "Upstream" Upstream US-1 US-2 US-3 US-4 Channel Type 2.0 N/A N/A N/A Channel ID 2 N/A N/A N/A Frequency (Hz) 35800000 Hz N/A N/A N/A Ranging Status Success N/A N/A N/A Modulation QAM16 N/A N/A N/A Symbol Rate (Sym/sec) 5120000 N/A N/A N/A Mini-Slot Size 128 N/A N/A N/A Power Level (dBmV) 45.3 dBmV N/A N/A N/A T1 Timeouts 0 N/A N/A N/A T2 Timeouts 0 N/A N/A N/A T3 Timeouts 0 N/A N/A N/A T4 Timeouts 0 N/A N/A N/A |
Re: Think Broadband Ping Monitor Results (POST YOURS)
Wiggz Thanks for doing that. If on refreshing that page, the power level remains more or less stable, then upstream noise is less likely - that is if you are not getting packet loss at the time of the stats.
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Re: Think Broadband Ping Monitor Results (POST YOURS)
Yeah, no packetloss currently and that power is staying the same.
If I get some more PL I'll check this power level first. |
Re: Think Broadband Ping Monitor Results (POST YOURS)
as far as I can tell all my stats are right.
I have about 6db power on all DS channels. 42db snr US channels 41dn snr DS channels. The disconnects always have a T3 entry in the log at same time. |
Re: Think Broadband Ping Monitor Results (POST YOURS)
my fault I think is possibly the superhub power unit, when I turned it on after it was off I noticed a weird faint noise which I think is coming from the psu, the only spare psu I got is also faulty (the one this replaced) I should have a 3rd somewhere since I do have a spare superhub but that I think is lost.
the utilisation does appear higher tho even with this packetloss issue aside, so I wont be revoking my cancellation, and since its going to off sometime next week is no point me getting this issue investigated so no tech will be called out. |
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Re: Think Broadband Ping Monitor Results (POST YOURS)
mines has been likes this for over a week now and we aren't even downloading or uploading
https://www.cableforum.co.uk/images/...2013/01/14.png |
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Re: Think Broadband Ping Monitor Results (POST YOURS)
This pattern has been around for some days now. What is it? The red line is me rebooting the SH.
http://www.thinkbroadband.com/ping/s...26-01-2013.png |
Re: Think Broadband Ping Monitor Results (POST YOURS)
obsessive speedtester :confused:
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Re: Think Broadband Ping Monitor Results (POST YOURS)
JDAST or another speed tester running on intervals
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Re: Think Broadband Ping Monitor Results (POST YOURS)
I use JDAST and it doesn't happen.
http://www.thinkbroadband.com/ping/s...26-01-2013.png Some months ago, I had the same phenomenon. When I stopped TBB, the phenomenon stopped. When I restarted, so did the phenomenon. Now, no phenomenon. So it's prolly somewhere en-route in VM but exactly where ..... |
Re: Think Broadband Ping Monitor Results (POST YOURS)
Seph are you upstream bonding?
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Re: Think Broadband Ping Monitor Results (POST YOURS)
Yep.
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Re: Think Broadband Ping Monitor Results (POST YOURS)
hows yours stable?
---------- Post added at 17:48 ---------- Previous post was at 17:46 ---------- http://community.virginmedia.com/t5/...y/td-p/1668718 |
Re: Think Broadband Ping Monitor Results (POST YOURS)
How's my what stable?
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Re: Think Broadband Ping Monitor Results (POST YOURS)
pingy monitor. see link posted in my previous post.
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Re: Think Broadband Ping Monitor Results (POST YOURS)
my current VM graph looks like a splat of red paint ;) good upgrade thanks VM.
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My connection is up and down like a whores draws today :(
https://www.cableforum.co.uk/images/local/2013/01/8.png |
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What a horrid graph! |
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[img]Download Failed (1)[/img] |
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Raise...
https://www.cableforum.co.uk/images/local/2013/01/7.png ^ And that one isnt even in Bristol... [img]Download Failed (1)[/img] |
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Re: Think Broadband Ping Monitor Results (POST YOURS)
It's funny how the worse the service gets, the prettier the graph is...
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its dull being a geek Kushan ;)
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I just think it's lovely the way Virgin seems to dedicate entire parts of the country to making pretty graphs.
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no dedication required it comes natural to them :fit:
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Heres what the Bristol hubsite, looks like From the outside, it is merely a standard looking hubsite... https://www.cableforum.co.uk/images/...2013/01/40.jpg ...but inside...... Spoiler:
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