How to improve Ping on a fttc connection
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- Re: How to improve Ping on a fttc connection
How to improve Ping on a fttc connection
15-03-2013 12:40 PM
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Re: How to improve Ping on a fttc connection
15-03-2013 12:53 PM
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here is my ping....
C:\Users\Laptop>ping 192.168.0.254 -t
Pinging 192.168.0.254 with 32 bytes of data:
Reply from 192.168.0.254: bytes=32 time=1ms TTL=64
Reply from 192.168.0.254: bytes=32 time<1ms TTL=64
Reply from 192.168.0.254: bytes=32 time<1ms TTL=64
Reply from 192.168.0.254: bytes=32 time<1ms TTL=64
Reply from 192.168.0.254: bytes=32 time<1ms TTL=64
Reply from 192.168.0.254: bytes=32 time<1ms TTL=64
Reply from 192.168.0.254: bytes=32 time<1ms TTL=64
Reply from 192.168.0.254: bytes=32 time<1ms TTL=64
Reply from 192.168.0.254: bytes=32 time<1ms TTL=64
Reply from 192.168.0.254: bytes=32 time<1ms TTL=64
dick:quote
Re: How to improve Ping on a fttc connection
15-03-2013 1:56 PM
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Re: How to improve Ping on a fttc connection
15-03-2013 2:12 PM
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show off and hey I've just realised if I ping my modem/router I can get those times as well Try pinging ntp.plus.net
@Justin7
My understanding is there is absolutely nothing you can do. The Fibre DLM has a mind of it's own and if it doesn't like your errors up goes the Interleaving. Whatever you do don't be tempted to switch off or reboot the modem with out good reason or on advice as it can make matters worse.
From cases reported on here, DLM can improve things if line conditions are good enough after about 14 days.
Re: How to improve Ping on a fttc connection
15-03-2013 2:13 PM
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Unlocked and alternative modems help people to understand what's going on.
From my experience, FTTC DLM tends to add 'delay' and 'INP' as well as several possible depths of interleaving progressively if error rates are high, sometimes the sync speed will be reduced at the same time, other times the error correction will be added and sync speeds left high (will also depend on noise margins).
As cabinets become more populated crosstalk between FTTC lines increases and this can show as a gradual decline in speeds (over weeks or months from install) and/or increase in latency as the line management takes steps to keep the line stable.
Your options for reducing error rates (and possibly improving DLM induced latency) are pretty much limited to checking any internal wiring, removing unneeded extensions and possibly double-filtering phones & other devices (with the BT FTTC faceplate this should make little difference but can be worth a try), ordinary ADSL filters work fine with FTTC so a dangly filter can be added to the telephone connection on the FTTC faceplate as well as any extensions. Alternatively, if latency is critical but speed is less important you could ask to be capped to 40Mb speed, the lower speed should dramatically reduce errors and run with a high SNR margin so it should work with minimal (or no) error correction and therefore minimum latency.
Some latency changes can also come from routing changes on the central networks so would be beyond anyone's control.
At any given moment in the universe many things happen. Coincidence is a matter of how close these events are in space, time and relationship.
Opinions expressed in forum posts are those of the poster, others may have different views.
Re: How to improve Ping on a fttc connection
15-03-2013 2:16 PM
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Re: How to improve Ping on a fttc connection
15-03-2013 2:41 PM
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Do you have a Thinkbroadband Broadband Quality Monitor graph running to check ?
It would be interesting to see if your increase in latency corresponds with the similar change that happened on my connection.
Re: How to improve Ping on a fttc connection
15-03-2013 2:49 PM
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Re: How to improve Ping on a fttc connection
15-03-2013 2:55 PM
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Microsoft Windows [Version 6.2.9200]
(c) 2012 Microsoft Corporation. All rights reserved.
C:\Windows\system32>ping bbc.co.uk
Pinging bbc.co.uk [212.58.251.195] with 32 bytes of data:
Reply from 212.58.251.195: bytes=32 time=16ms TTL=119
Reply from 212.58.251.195: bytes=32 time=17ms TTL=119
Reply from 212.58.251.195: bytes=32 time=16ms TTL=119
Reply from 212.58.251.195: bytes=32 time=19ms TTL=119
Ping statistics for 212.58.251.195:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 16ms, Maximum = 19ms, Average = 17ms
Re: How to improve Ping on a fttc connection
15-03-2013 3:02 PM
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At any given moment in the universe many things happen. Coincidence is a matter of how close these events are in space, time and relationship.
Opinions expressed in forum posts are those of the poster, others may have different views.
Re: How to improve Ping on a fttc connection
15-03-2013 9:11 PM
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Cheers guys.
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