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Standard User nicomorr
(newbie) Wed 10-Jul-13 17:35:36
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New FTTC install - what should I expect?


[link to this post]
 
Today the nice BT Openreach engineer connected me to Talktalk 'fibre fast' & he showed me the speed at the master socket, exactly 80MBps down & 20Mbps up.

What I am testing as is:
http://www.thinkbroadband.com/speedtest/results.html...

I have tested this on two machines, my setup is I connect LAN4 on the HG533 to an 8port switch Dynamode SW80010-M:
http://www.dynamode.com/english/pages/product/LAN%20...

The machines are connected to the switch.

I'm also having problems connecting via WLAN but I'm investigating that, my wireless computer is an 11 year old IBM T41 which connected fine to my previous router, the Talktalk HG523; the T41 runs wireless at 802.11a/b/g only. Slow slow but it should connect...

I'm not complaining, 50MBps down seems like a miracle to me, I started in 1986 with a Hayes modem running 1200/300 baud, heh smile

BBN stuff, no internet yet then. And now people complain because they're not getting 100% of everything.

There is only the single master socket, which the engineer replaced & added to that the Openreach fibre modem & then CAT5e to the HG533. As I say, he tested it at the socket & got the full shebang 80/20, I am 150 metres from the cabinet.

What should I expect as I leave it turned on for the next 10 days?

Nico Morrison
London UK
Manali India
http://radio.theflowerraj.org
http://theflowerraj.org
Standard User MHC
(sensei) Wed 10-Jul-13 17:46:04
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Re: New FTTC install - what should I expect?


[re: nicomorr] [link to this post]
 
Depending on your OS, you might have to tweak the MTU and RWIN settings.

The router should have an MTU of 1492


Did you test with any AV software disabled and ensure nothing else was running?


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

M H C


taurus excreta cerebrum vincit
Standard User nicomorr
(newbie) Wed 10-Jul-13 18:38:27
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Re: New FTTC install - what should I expect?


[re: MHC] [link to this post]
 
Hi @MHC thank you.

I turned off AVG free & got almost the same:
http://www.thinkbroadband.com/speedtest/results.html...

tbbMeter says the same, I can't see how to copy their stats tho...

MTU is set to Auto with '1500' greyed out.

RWIN Ummm... I did this 'tweaktest':

1. Your Tweakable Settings
Receive Window (RWIN): 65535
Window Scaling: off
Path MTU Discovery: ON
RFC1323 Window Scaling: OFF
RFC1323 Time Stamping: OFF
Selective Acks: ON
MSS requested: 1460
TTL: unknown
TTL remaining: 116
TOS/TOS subfield: 64
TOS/Flags:

2. Test Download
Actual data bytes sent: 1025461
Actual data packets: 704
Max packet sent (MTU): 1500
Max packet recd (MTU): 1470
Retransmitted packets: 1
sacks you sent: 2
pushed data pkts: 120
data transmit time: 3.419 secs
our max idletime: 761.2 ms
transfer rate: 240382 bytes/sec
transfer rate: 1923 kbits/sec
transfer efficiency: 99%
From: http://www.dslreports.com/tweaks

I can change MTU to manual 1492 easily, should I?
RWIN looks like a registry change, should I change it & what to?
Ping average is between 3mS & 8mS out to UK hosts, I can't remember how to enable incoming pings...

TIA great forum this, someone is always here to help smile

Nico Morrison
London UK
Manali India
http://radio.theflowerraj.org
http://theflowerraj.org


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Standard User Ignitionnet
(knowledge is power) Wed 10-Jul-13 18:40:10
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Re: New FTTC install - what should I expect?


[re: nicomorr] [link to this post]
 
Receive Window (RWIN): 65535
Window Scaling: off

RFC1323 Window Scaling: OFF


Are you using Windows XP?

Edited by Ignitionnet (Wed 10-Jul-13 18:40:42)

Administrator MrSaffron
(staff) Wed 10-Jul-13 18:44:59
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Re: New FTTC install - what should I expect?


[re: Ignitionnet] [link to this post]
 
Not sure its RWIN as would see a ramp for the single thread, What is odd is the performance of the multiple threads, what CPU is this machine?

On the wireless, if you only have b/g devices try turning off the n mode on the router.

Andrew

Andrew Ferguson, andrew@thinkbroadband.com
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User MHC
(sensei) Wed 10-Jul-13 18:55:27
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Re: New FTTC install - what should I expect?


[re: nicomorr] [link to this post]
 
Try changing the MTU to 1492.

What did the DSL Reports tweak Test suggest for RWIN?


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

M H C


taurus excreta cerebrum vincit
Standard User nicomorr
(newbie) Wed 10-Jul-13 19:09:06
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Re: New FTTC install - what should I expect?


[re: MrSaffron] [link to this post]
 
Hah! Probably the oldest machine on this forum, I bought it in 2003 for £3,500 (with added memory, making a grand total of 1GB) it was the latest thing an IBM T41! The last machine built in USA before IBM sold out to Lenovo; it;s been to Australia 5 times, India 6 or more, from the 40C of Goa to the -5C of Manali winter... built like a tank. On its third fan & shoehorned with 2GB RAM & a 330GB drive, I love it.

But, it's 'Centrino' & darn slow, from CPUID:
<snip>
Number of cores 1 (max 1)
Number of threads 1 (max 1)
Name Intel Pentium M
Codename Banias
Specification Intel(R) Pentium(R) M processor 1400MHz
Package (platform ID) Socket 479 mPGA (0x5)
</snip>
You don't allow attachments or I'd send you the CPUID report.

I don't think it's that though, as I have another machine attached to the switch & it gets the same results, 2nd machine spec is:
<snip>
Number of cores 1 (max 1)
Number of threads 1 (max 1)
Name Intel Pentium 4
Codename Prescott
Specification Intel(R) Pentium(R) 4 CPU 2.80GHz
Package (platform ID) Socket 478 mPGA (0x2)
</snip>

What do you think?

Nico Morrison
London UK
Manali India
http://radio.theflowerraj.org
http://theflowerraj.org
Standard User ggremlin
(committed) Wed 10-Jul-13 19:21:04
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Re: New FTTC install - what should I expect?


[re: nicomorr] [link to this post]
 
what browser are you using, I have seen chrome behave significantly slower then ie on some speed tests
Standard User nicomorr
(newbie) Wed 10-Jul-13 19:24:45
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Re: New FTTC install - what should I expect?


[re: MHC] [link to this post]
 
Tweak results...
4. Notes and Recommendations Looking good
Observations:
Upload packet less than your MTU (FAQ #1492)
Good data stream (no/few rexmits).
_________________________________

On the HG533 there seem to be two MTU setting places.
1. Advanced > Routing > Static Routing
MTU Value is empty.
2. Basic > WAN
MTU Value is AUTO.

Which or both should I change the MTU to? And RWIN since there are no recommendations from Tweaktest...

Nico Morrison
London UK
Manali India
http://radio.theflowerraj.org
http://theflowerraj.org
Standard User nicomorr
(newbie) Wed 10-Jul-13 19:30:11
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Re: New FTTC install - what should I expect?


[re: ggremlin] [link to this post]
 
FF22 & I get the same results with Opera 12.16

Nico Morrison
London UK
Manali India
http://radio.theflowerraj.org
http://theflowerraj.org
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