Slow uploade of webpages using new 100mb Fibre Connection

Hi,

I recently commissioned a new BT Fibre 100mb circuit which hooks up to a Draytek router. When visiting large site like news.bbc.co.uk then request just sits there for about 8 seconds and then the page appears. When I do the same on my laptop using a 4g signal, the website pops up within a second. After further testing I can see the delay happens to most pages on the BT Fibre connection. Ive change the DNS servers on the router to use google DNS thinking it might be something to do with BT Dns Servers not being fast enough but this has not made any difference. Ive also flashed the router to the latest firmware.

The PC's are connected to the network by a 1gb Cisco network switch.

I also carried out a test on speedtest.net and got a ping time of 9ms, upload 99.6mb and download 99.8mb so the connection seems fine??

How best can I troubleshoot this issue to work out where the problem is coming from?

Thanks
SycamoreIT
SycamoreITAsked:
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ste5anSenior DeveloperCommented:
Compare route traces for both lines. This should show you were latencies occur.
SycamoreITAuthor Commented:
Trace route done on my laptop with 4G dongle

  1     1 ms     2 ms     1 ms  ee.mobilebroadband [192.168.1.1]
  2     *        *        *     Request timed out.
  3    35 ms    27 ms    28 ms  10.248.29.49
  4    27 ms    29 ms    28 ms  10.247.85.25
  5    24 ms    26 ms    29 ms  10.247.85.6
  6    24 ms    28 ms    28 ms  10.247.85.9
  7    25 ms    29 ms    29 ms  10.247.85.18
  8    28 ms    28 ms    29 ms  87.237.20.220
  9    36 ms    32 ms    28 ms  87.237.20.69
 10    43 ms    58 ms    35 ms  xe-1-1-0.r2.bb-fo.lon3.vrsn.net [195.66.225.46]
 11    61 ms    49 ms    71 ms  xe-1-3-0.r2.bb-fo.ams1.vrsn.net [199.16.94.174]
 12    46 ms    52 ms    45 ms  ae2.668.r2.vidn-fo.ams1.vrsn.net [199.16.95.157]
 13     *        *        *     Request timed out.
 14    50 ms    41 ms    38 ms  217.30.83.10
 15     *       55 ms    41 ms  132.185.255.149
 16    42 ms    38 ms    38 ms  bbc-vip105.telhc.bbc.co.uk [212.58.244.60]

Trace complete.

Trace route done on slow network.
  1    <1 ms    <1 ms    <1 ms  192.168.1.1
  2     1 ms    <1 ms    <1 ms  217.33.16.1
  3     3 ms     2 ms     3 ms  62.7.193.102
  4     4 ms     3 ms     3 ms  core3-te-0-19-0-34.faraday.ukcore.bt.net [109.15
9.249.61]
  5     3 ms     3 ms     3 ms  peer1-xe0-0-0.faraday.ukcore.bt.net [213.121.193
.161]
  6    18 ms     3 ms     3 ms  xe-1-1-0.r2.bb-fo.lon3.vrsn.net [195.66.225.46]

  7    11 ms    33 ms    32 ms  xe-1-3-0.r2.bb-fo.ams1.vrsn.net [199.16.94.174]

  8    11 ms    10 ms    10 ms  xe-0-2-0.r1.bb-fo.ams1.vrsn.net [199.16.94.177]

  9    10 ms     9 ms    11 ms  ae2.666.r1.vidn-fo.ams1.vrsn.net [199.16.95.153]

 10     *        *        *     Request timed out.
 11     *        *        *     Request timed out.
 12     *        *        *     Request timed out.
 13     *        *        *     Request timed out.
 14    12 ms    12 ms    12 ms  ae0.er02.cwwtf.bbc.co.uk [132.185.254.90]
 15    13 ms    12 ms    14 ms  132.185.255.165
 16    12 ms    12 ms    12 ms  bbc-vip005.cwwtf.bbc.co.uk [212.58.246.84]

Trace complete.


Not sure what this means thou ??
JustInCaseCommented:
For start if you try to measure time to open the wab page, try the same web page (but clear browser cache every time) through both links.
If you already visited web page on some device , most likely many elements will be pulled out of cache.
Is there VPN or some security device involved in 100Mb link?
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SycamoreITAuthor Commented:
There is a cisco which handles the signal which is presented from the fibre interface, then its into our draytek router, onto our cisco network switch and then out to the PC's.
carloselfaiteCommented:
double NAT?
SycamoreITAuthor Commented:
Double NAT?, please advise carolselfaite.
giltjrCommented:
Is it all sites or just that one?

If you do "nslookup news.bbc.co.uk" how long does it take to return?

I would suggest you run something like Wireshark and do a packet capture and see if it shows anything obvious.
SycamoreITAuthor Commented:
just done the nslookup command and returned immediately the following.

C:\Users\me>nslookup news.bbc.co.uk
Server:  google-public-dns-a.google.com
Address:  8.8.8.8

Non-authoritative answer:
Name:    newswww.bbc.net.uk
Addresses:  212.58.244.132
          212.58.244.119
Aliases:  news.bbc.co.uk
ste5anSenior DeveloperCommented:
The traceroute results look normal.

Use the Firefox dev tools and use the network tab to examine the loading time.

Despite that: Many 4G provider use their own top level caches. So maybe your request is served by such an cache instead of the real page (The real page is afaik using Akamai/Level 3).

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