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lange pingtider
Fra : Blacky


Dato : 01-06-01 16:29

Hej med jer

Jeg sidder på en 2Mbit ADSL-forbindelse fra tdc, som vi deler mellem
mange brugere.

Nogen gange er pingtiderne ret lange:
Faktisk så lange at der nogen gange er time-out.

Hvad ligger en normal pingtid på, og hvad tror I at disse lange
pingtider kan skyldes?

Mvh
blacky

C:\>ping -t www.dr.dk

Pinging www.dr.dk [129.142.20.35] with 32 bytes of data:

Reply from 129.142.20.35: bytes=32 time=360ms TTL=119
Reply from 129.142.20.35: bytes=32 time=301ms TTL=119
Reply from 129.142.20.35: bytes=32 time=190ms TTL=119
Reply from 129.142.20.35: bytes=32 time=240ms TTL=119
Reply from 129.142.20.35: bytes=32 time=450ms TTL=119
Reply from 129.142.20.35: bytes=32 time=481ms TTL=119
Reply from 129.142.20.35: bytes=32 time=601ms TTL=119
Reply from 129.142.20.35: bytes=32 time=511ms TTL=119
Reply from 129.142.20.35: bytes=32 time=511ms TTL=119
Reply from 129.142.20.35: bytes=32 time=460ms TTL=119
Reply from 129.142.20.35: bytes=32 time=441ms TTL=119
Reply from 129.142.20.35: bytes=32 time=310ms TTL=119
Reply from 129.142.20.35: bytes=32 time=491ms TTL=119
Reply from 129.142.20.35: bytes=32 time=420ms TTL=119
Reply from 129.142.20.35: bytes=32 time=481ms TTL=119
Reply from 129.142.20.35: bytes=32 time=401ms TTL=119
Reply from 129.142.20.35: bytes=32 time=471ms TTL=119
Reply from 129.142.20.35: bytes=32 time=571ms TTL=119
Reply from 129.142.20.35: bytes=32 time=500ms TTL=119
Request timed out.
Reply from 129.142.20.35: bytes=32 time=371ms TTL=119
Reply from 129.142.20.35: bytes=32 time=410ms TTL=119
Reply from 129.142.20.35: bytes=32 time=491ms TTL=119
Reply from 129.142.20.35: bytes=32 time=390ms TTL=119
Reply from 129.142.20.35: bytes=32 time=421ms TTL=119
Reply from 129.142.20.35: bytes=32 time=331ms TTL=119
Reply from 129.142.20.35: bytes=32 time=390ms TTL=119
Request timed out.
Reply from 129.142.20.35: bytes=32 time=231ms TTL=119
Reply from 129.142.20.35: bytes=32 time=140ms TTL=119
Reply from 129.142.20.35: bytes=32 time=391ms TTL=119
Reply from 129.142.20.35: bytes=32 time=521ms TTL=119
Reply from 129.142.20.35: bytes=32 time=521ms TTL=119
Request timed out.
Reply from 129.142.20.35: bytes=32 time=521ms TTL=119
Reply from 129.142.20.35: bytes=32 time=381ms TTL=119
Reply from 129.142.20.35: bytes=32 time=360ms TTL=119
Reply from 129.142.20.35: bytes=32 time=371ms TTL=119
Reply from 129.142.20.35: bytes=32 time=500ms TTL=119
Reply from 129.142.20.35: bytes=32 time=331ms TTL=119
Reply from 129.142.20.35: bytes=32 time=561ms TTL=119
Reply from 129.142.20.35: bytes=32 time=400ms TTL=119
Reply from 129.142.20.35: bytes=32 time=431ms TTL=119
Reply from 129.142.20.35: bytes=32 time=270ms TTL=119
Reply from 129.142.20.35: bytes=32 time=321ms TTL=119

Ping statistics for 129.142.20.35:
Packets: Sent = 45, Received = 42, Lost = 3 (6% loss),
Approximate round trip times in milli-seconds:
Minimum = 140ms, Maximum = 601ms, Average = 383ms
Control-C
^C
C:\>

 
 
Eivind Olsen (01-06-2001)
Kommentar
Fra : Eivind Olsen


Dato : 01-06-01 19:51

Det skyldes sikkert at alle brugerne tilsammen pumper forbindelsen så hårdt,
at
pakkerne står på nakken af hinanden for at komme igennem.

Lidt ala myldertid i trafikken - bilerne kan ikke komme frem og holder
derfor helt stille.

Men jeg undrer mig lidt over dit packet loss. hvor tæt er forbindelsen på
støjgrænsen ?

Eivind


"Blacky" <mtl@dsr.kvl.dk> wrote in message
news:qvcfht0ktvj9indaaj3diqr52sjiofm9sc@4ax.com...
> Hej med jer
>
> Jeg sidder på en 2Mbit ADSL-forbindelse fra tdc, som vi deler mellem
> mange brugere.
>
> Nogen gange er pingtiderne ret lange:
> Faktisk så lange at der nogen gange er time-out.
>
> Hvad ligger en normal pingtid på, og hvad tror I at disse lange
> pingtider kan skyldes?
>
> Mvh
> blacky
>
> C:\>ping -t www.dr.dk
>
> Pinging www.dr.dk [129.142.20.35] with 32 bytes of data:
>
> Reply from 129.142.20.35: bytes=32 time=360ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=301ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=190ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=240ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=450ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=481ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=601ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=511ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=511ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=460ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=441ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=310ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=491ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=420ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=481ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=401ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=471ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=571ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=500ms TTL=119
> Request timed out.
> Reply from 129.142.20.35: bytes=32 time=371ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=410ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=491ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=390ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=421ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=331ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=390ms TTL=119
> Request timed out.
> Reply from 129.142.20.35: bytes=32 time=231ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=140ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=391ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=521ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=521ms TTL=119
> Request timed out.
> Reply from 129.142.20.35: bytes=32 time=521ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=381ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=360ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=371ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=500ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=331ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=561ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=400ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=431ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=270ms TTL=119
> Reply from 129.142.20.35: bytes=32 time=321ms TTL=119
>
> Ping statistics for 129.142.20.35:
> Packets: Sent = 45, Received = 42, Lost = 3 (6% loss),
> Approximate round trip times in milli-seconds:
> Minimum = 140ms, Maximum = 601ms, Average = 383ms
> Control-C
> ^C
> C:\>



Blacky (02-06-2001)
Kommentar
Fra : Blacky


Dato : 02-06-01 00:28

On Fri, 1 Jun 2001 20:50:56 +0200, "Eivind Olsen"
<eivind.olsen@xxxmail.tele.dk> wrote:

>Det skyldes sikkert at alle brugerne tilsammen pumper forbindelsen så hårdt,
>at
>pakkerne står på nakken af hinanden for at komme igennem.
>
>Lidt ala myldertid i trafikken - bilerne kan ikke komme frem og holder
>derfor helt stille.
>

Jo, men hvis jeg downloader, kan jeg let komme op på 20-50 kbyte/sec.


>Men jeg undrer mig lidt over dit packet loss. hvor tæt er forbindelsen på
>støjgrænsen ?

Hvad mener du? Jeg kender ikke noget til, om der er støj i kablerne,
men det er kun periodisk at der er packetloss, det svinger mellem
0-50% og hænger sammen med ping-tiden, jo længere pingtid, des mere
packetloss, jeg mener at den time.outer hvis ping er over 6-700 msec,
kan det ikke passe?

blacky

Thomas Kaufmann Jens~ (01-06-2001)
Kommentar
Fra : Thomas Kaufmann Jens~


Dato : 01-06-01 19:57

Hej!

> Jeg sidder på en 2Mbit ADSL-forbindelse fra tdc, som vi deler mellem
> mange brugere.

Hvor mange, og hvad laver de (hvor meget belaster de forbindelsen??)

> Hvad ligger en normal pingtid på, og hvad tror I at disse lange
> pingtider kan skyldes?

Tjaee et gæt ville være at der er nogen der sidder og downloader eller
såddan noget - når jeg pinger www.dr.dk ser det således ud (ISDN &
CyberCity):

Pinging www.dr.dk [129.142.20.35] with 32 bytes of data:

Reply from 129.142.20.35: bytes=32 time=34ms TTL=118
Reply from 129.142.20.35: bytes=32 time=42ms TTL=118
Reply from 129.142.20.35: bytes=32 time=37ms TTL=118
Reply from 129.142.20.35: bytes=32 time=42ms TTL=118
-klippelippe-
Reply from 129.142.20.35: bytes=32 time=38ms TTL=118
Reply from 129.142.20.35: bytes=32 time=40ms TTL=118
Reply from 129.142.20.35: bytes=32 time=39ms TTL=118
Reply from 129.142.20.35: bytes=32 time=42ms TTL=118

Ping statistics for 129.142.20.35:
Packets: Sent = 33, Received = 33, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 34ms, Maximum = 44ms, Average = 39ms

-Thomas


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