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Sbc Yahoo DSL


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1. Your Tweakable Settings:

Receive Window (RWIN): 69120

Window Scaling: 1

Path MTU Discovery: ON

RFC1323 Window Scaling: ON

RFC1323 Time Stamping: OFF

Selective Acks: ON

MSS requested: 1440


(less any hops behind firewall)


TTL remaining: 49

TOS/TOS subfield: 0


2. Test Download

Actual data bytes sent: 1048481

Actual data packets: 730

Max packet sent (MTU): 1480

Max packet recd (MTU): 1480

Retransmitted packets: 17

sacks you sent: 116

pushed data pkts: 91

data transmit time: 14.135 secs

our max idletime: 315.5 ms

transfer rate: 70513 bytes/sec

transfer rate: 564 kbits/sec

transfer efficiency: 97%

3. ICMP (ping) check

Minimum ping: 85.72 ms

Maximum ping: 168.18 ms

Ping stability:

86.08 85.83 85.72 86.30 86.62 86.22 94.87 122.22 137.98 168.18

Notes and recommendations:

RWIN is in range

Looking good


Good data stream (no/few rexmits)


Looking good


:::.. Download Stats ..:::

Download Connection is:: 2538 Kbps about 2.5 Mbps (tested with 2992 kB)

Download Speed is:: 310 kB/s

Tested From:: https://testmy.net/ (Server 1)

Test Time:: 2007/07/08 - 9:12pm

Bottom Line:: 44X faster than 56K 1MB Download in 3.3 sec

Tested from a 2992 kB file and took 9.657 seconds to complete

Download Diagnosis:: Awesome! 20% + : 27.54 % faster than the average for host (pacbell.net)

D-Validation Link:: https://testmy.net/stats/id-AO8ZB21SQ

User Agent:: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv: Gecko/20070515 Firefox/ [!]

Ok so testmy.net test shows good speeds. Like 500kbs below advertized.

Now. I've noticed that a lot of my other downloads go slow! Like 80kB/s.  I'm not sure why. I use a dlink 624 router. Firmware is up to date, i set my computer to dmz, and changed the ip of the router to a different one so the modem and router don't interfere. I also seem to get these pretty frequent disconnects (as either my router or modem fail, restart and go back online). Anyways, I run NOD32, I have windows defender, spybot s&d, adaware, spyware blaster, super ad blocker and spyware doctor. I try to keep my pc clean and defragment.  I'm going to try to install cablenut now and use the one of the dsl 3000/500 packs or something like that. But anyone have a clue why I get this poor performance and disconnects?

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You will never see your full 3Mbps down with SBC/ATT because they don't factor in the overhead so you lose about 15% of your speed.  My grandparents had 3/512 and got about 2.6/420 out of it, they have now upgraded to 6/768 and get about 5.1/640.


What does your modem log say when you get disconnected?  And what does your statistics say?

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