tweaking aDSL

piesfinder · Post by **piesfinder** » Fri Apr 26, 2002 8:26 pm

Im new to tweaking dsl, so i want to know what to do to make PPPoE aDSL faster by tweaking!
Can anyone tell me what to download or do to tweak my dsl?
I'm using windows xp professional

mnosteele52 · Post by **mnosteele52** » Fri Apr 26, 2002 8:33 pm

Welcome to SpeedGuide, please read "My Tips" in my signature and answer the questions and post your answers and I'll see if I can get you up to speed.

piesfinder · Post by **piesfinder** » Fri Apr 26, 2002 9:21 pm

my MTU is currently 1480
how do i increase it?

Lobo · Post by **Lobo** » Fri Apr 26, 2002 9:22 pm

If your MTU is 1480 try<

Select connection type at top, select adapter, select custom settings, enter 1 at a time 31680 or 63360, uncheck scaling under Tcp1323Opts, apply changes and REBOOT each time you change number in Optimizer if number Optimizer puts in does not work for you.

Speed test here, test will open another browser, close one
directions on how to do speed test in help thread in signature: Select site nearest you:

http://www.speakeasy.net/main.php?page=sup_pops

If from overseas try nearest site from here: http://www.testmyspeed.com/internationalspeedtests.htm

Directions on what to do prior to speed test on help thread below, turn off all running programs.

mnosteele52 · Post by **mnosteele52** » Fri Apr 26, 2002 9:23 pm

You can't that is the proper PPPoE MTU for XP, just make your RWIN a multiple of 1440 (your MSS).

piesfinder · Post by **piesfinder** » Fri Apr 26, 2002 9:56 pm

TCP options string = 020405a00103030201010402

MTU = 1480
MTU is not fully optimized for broadband. Consider increasing your MTU to 1500 for better throughput.

MSS = 1440
Maximum useful data in each packet = 1440, which is equal to MSS.

Default Receive Window (RWIN) = 256960
RWIN Scaling (RFC1323) = 2 bits
Unscaled Receive Window = 64240
For optimum performance, consider changing RWIN to a multiple of MSS.
Other values for RWIN that might work well with your current MTU/MSS:
506880 (MSS x 44 * scale factor of 8)
253440 (MSS x 44 * scale factor of 4)
126720 (MSS x 44 * scale factor of 2)
63360 (MSS x 44)

bandwidth * delay product:
Your RcvWindow limits you to: 10278.4 kbps (1284.8 KBytes/s) @ 200ms
Your RcvWindow limits you to: 4111.36 kbps (513.92 KBytes/s) @ 500ms

MTU Discovery (RFC1191) = ON

Time to live left = 57 hops
TTL value is ok.

Timestamps (RFC1323) = OFF

Selective Acknowledgements (RFC2018) = ON

IP type of service field (RFC1349)= 00000000

What does all of this mean?

mnosteele52 · Post by **mnosteele52** » Fri Apr 26, 2002 10:02 pm

Download the TCPOptimizer (in my sig) to your desktop and select DSLPPPoE and custom settings. Try RWINs of 31680 or 63360 (as Lobo suggested) uncheck Timestamps and Windows Scaling select save and reboot to take effect, also follow the instructions on how to set your NIC duplex mode properly (in My Tips in my sig).

Lobo · Post by **Lobo** » Fri Apr 26, 2002 10:07 pm

You don't have Optimizer, shame on me, lol

piesfinder · Post by **piesfinder** » Sat Apr 27, 2002 1:07 am

can i edit my registry to make my dsl faster?

mnosteele52 · Post by **mnosteele52** » Sat Apr 27, 2002 9:26 am

Did you read what I posted above?

piesfinder · Post by **piesfinder** » Sat Apr 27, 2002 5:34 pm

how do i change the RWIN?

mnosteele52 · Post by **mnosteele52** » Sat Apr 27, 2002 5:38 pm

Download the TCPOptimizer (in my sig) and select "DSLPPPoE", "custom settings" and "modify all adapters" then put in RWIN of 31680 and uncheck Windows scaling and Timestamps then "Apply Changes" and reboot to take effect. Once you have rebooted post your TCP Analyzer results again. Also make sure your NIC duplex mode is set properly according to my instructions in "My Tips".

piesfinder · Post by **piesfinder** » Sat Apr 27, 2002 6:24 pm

results:
MTU = 1480
MTU is not fully optimized for broadband. Consider increasing your MTU to 1500 for better throughput.

MSS = 1440
Maximum useful data in each packet = 1440, which is equal to MSS.

Default Receive Window (RWIN) = 31680
RWIN Scaling (RFC1323) = 0 bits
Unscaled Receive Window = 31680
RWIN is a multiple of MSS
Other values for RWIN that might work well with your current MTU/MSS:
506880 (MSS x 44 * scale factor of 8)
253440 (MSS x 44 * scale factor of 4)
126720 (MSS x 44 * scale factor of 2)
63360 (MSS x 44)

bandwidth * delay product:
Your RcvWindow limits you to: 1267.2 kbps (158.4 KBytes/s) @ 200ms
Your RcvWindow limits you to: 506.88 kbps (63.36 KBytes/s) @ 500ms

MTU Discovery (RFC1191) = ON

Time to live left = 57 hops
TTL value is ok.

Timestamps (RFC1323) = OFF

Selective Acknowledgements (RFC2018) = ON

IP type of service field (RFC1349)= 00000000

mnosteele52 · Post by **mnosteele52** » Sat Apr 27, 2002 7:05 pm

Looks good, how is your speed now.

piesfinder · Post by **piesfinder** » Sat Apr 27, 2002 7:35 pm

i get around 600 down
300 up
im supposed to have 1500/384

mnosteele52 · Post by **mnosteele52** » Sat Apr 27, 2002 7:52 pm

Not too good if those are your caps, try the other RWIN suggested 63360 and see how that works. Also, are connected via NIC or USB?

piesfinder · Post by **piesfinder** » Sat Apr 27, 2002 7:53 pm

i connect via Ethernet

mnosteele52 · Post by **mnosteele52** » Sat Apr 27, 2002 7:56 pm

OK also try the NIC buffer tweak in "My Tips".

BigAmp · Post by **BigAmp** » Sat Apr 27, 2002 7:58 pm

now we start working with your RWIN value. try the value of 253440 and see how that works

Lobo · Post by **Lobo** » Sun Apr 28, 2002 12:16 am

That number above is not the right one for DSL PPPoE, see #14 in help thread below in signature, lol

Or try EvilAjax's PPPoE Tips in sig

EvilAjax · Post by **EvilAjax** » Sun Apr 28, 2002 3:15 am

Try 28800 first. If you see no difference then try 54720 and 115200. Make sure you reboot after applying each RWIN setting.

syknesss · Post by **syknesss** » Sun Apr 28, 2002 8:04 am

TCP options string = 0204058e0103030201010402

MTU = 1462
MTU is not fully optimized for broadband. Consider increasing your MTU to 1500 for better throughput.

MSS = 1422
Maximum useful data in each packet = 1422, which is equal to MSS.
MSS is not fully optimized for broadband (although it might work well for slower connections). Consider increasing your MTU value.

Default Receive Window (RWIN) = 256960
RWIN Scaling (RFC1323) = 2 bits
Unscaled Receive Window = 64240
For optimum performance, consider changing RWIN to a multiple of MSS.
Other values for RWIN that might work well with your current MTU/MSS:
523296 (MSS x 46 * scale factor of 8)
261648 (MSS x 46 * scale factor of 4)
130824 (MSS x 46 * scale factor of 2)
65412 (MSS x 46)

bandwidth * delay product:
Your RcvWindow limits you to: 10278.4 kbps (1284.8 KBytes/s) @ 200ms
Your RcvWindow limits you to: 4111.36 kbps (513.92 KBytes/s) @ 500ms

MTU Discovery (RFC1191) = ON

Time to live left = 57 hops
TTL value is ok.

Timestamps (RFC1323) = OFF

Selective Acknowledgements (RFC2018) = ON

IP type of service field (RFC1349)= 00000000

is this good if not how do i fix it

mnosteele52 · Post by **mnosteele52** » Sun Apr 28, 2002 9:15 am

According to your profile Skyness you have AOL DSL? If so are you using version 7.0? If so you can't change your MTU so............ download the TCPOptimizer to your desktop and select the following things - DSL PPPoE - modify all network adapters - custom settings - try TCP Receive Window of 31284 or 62568 - uncheck both boxes in TCP 1323 Options - save to registry and reboot. Also make sure you have your NIC set to the proper duplex mode according to the instructions in "My Tips" and read and follow my advice in "My Tips".

Lobo · Post by **Lobo** » Sun Apr 28, 2002 9:16 am

Is this a PPPoE connection:

PPPoE you have to log on to the internet with username and password. (Not log on to Windows)
PPPoE ( Point-to-Point Protocol over Ethernet ) is a method for building PPP sessions and encapsulating packets, as described in RFC2516. Although it is not a standard, PPPoE is already being used by a number of DSL providers. It requires either routers that have built-in PPPoE support, or PPPoE software to "dial up" and establish the session. You have to log on with name and password everytime you access net with PPPoE.

syknesss · Post by **syknesss** » Sun Apr 28, 2002 4:35 pm

no im using verizon dsl but i was on aol at the time

mnosteele52 · Post by **mnosteele52** » Sun Apr 28, 2002 4:48 pm

Is AOL required to connect to Verizon? Where I live AOL offers DSL through Verizon, but AOL is required to connect. If AOL is not required - get rid of it, all it will do is slow you down and cause problems. Please reply if you need help optimizing your connection because the proper settings are effected by AOL.

syknesss · Post by **syknesss** » Sun Apr 28, 2002 4:50 pm

nope verizon has it own way to connect uses winpoet

mnosteele52 · Post by **mnosteele52** » Sun Apr 28, 2002 4:54 pm

Ok, then do another analyzer test just using IE not through AOL and post your results and also what are your caps through Verizon (I believe the most common package is 768/128).

syknesss · Post by **syknesss** » Sun Apr 28, 2002 4:55 pm

TCP options string = 0204058e0103030201010402

MTU = 1462
MTU is not fully optimized for broadband. Consider increasing your MTU to 1500 for better throughput.

MSS = 1422
Maximum useful data in each packet = 1422, which is equal to MSS.
MSS is not fully optimized for broadband (although it might work well for slower connections). Consider increasing your MTU value.

Default Receive Window (RWIN) = 256960
RWIN Scaling (RFC1323) = 2 bits
Unscaled Receive Window = 64240
For optimum performance, consider changing RWIN to a multiple of MSS.
Other values for RWIN that might work well with your current MTU/MSS:
523296 (MSS x 46 * scale factor of 8)
261648 (MSS x 46 * scale factor of 4)
130824 (MSS x 46 * scale factor of 2)
65412 (MSS x 46)

bandwidth * delay product:
Your RcvWindow limits you to: 10278.4 kbps (1284.8 KBytes/s) @ 200ms
Your RcvWindow limits you to: 4111.36 kbps (513.92 KBytes/s) @ 500ms

MTU Discovery (RFC1191) = ON

Time to live left = 57 hops
TTL value is ok.

Timestamps (RFC1323) = OFF

Selective Acknowledgements (RFC2018) = ON

IP type of service field (RFC1349)= 00000000

mnosteele52 · Post by **mnosteele52** » Sun Apr 28, 2002 5:13 pm

Download the TCPOptimizer and try setting your MTU to 1492 (that is the proper size for connection type) then set your Tcp Receive Window to 31944 and uncheck both boxes in Tcp 1323 Options then save and reboot to take effect and post your analyzer results again.

syknesss · Post by **syknesss** » Sun Apr 28, 2002 5:23 pm

MTU = 1462
MTU is not fully optimized for broadband. Consider increasing your MTU to 1500 for better throughput.

MSS = 1422
Maximum useful data in each packet = 1422, which is equal to MSS.
MSS is not fully optimized for broadband (although it might work well for slower connections). Consider increasing your MTU value.

Default Receive Window (RWIN) = 31944
RWIN Scaling (RFC1323) = 0 bits
Unscaled Receive Window = 31944
For optimum performance, consider changing RWIN to a multiple of MSS.
Other values for RWIN that might work well with your current MTU/MSS:
523296 (MSS x 46 * scale factor of 8)
261648 (MSS x 46 * scale factor of 4)
130824 (MSS x 46 * scale factor of 2)
65412 (MSS x 46)

bandwidth * delay product:
Your RcvWindow limits you to: 1277.76 kbps (159.72 KBytes/s) @ 200ms
Your RcvWindow limits you to: 511.104 kbps (63.888 KBytes/s) @ 500ms

MTU Discovery (RFC1191) = ON

Time to live left = 57 hops
TTL value is ok.

Timestamps (RFC1323) = OFF

Selective Acknowledgements (RFC2018) = ON

IP type of service field (RFC1349)= 00000000

mnosteele52 · Post by **mnosteele52** » Sun Apr 28, 2002 5:27 pm

Your MTU didn't change so try adjusting your TCP Receive Window to 31284, also read "My Tips" in my sig and follow how to set the proper NIC settings for DSL.

syknesss · Post by **syknesss** » Sun Apr 28, 2002 5:29 pm

can i just set it to optimal settings >?

mnosteele52 · Post by **mnosteele52** » Sun Apr 28, 2002 5:34 pm

Nope because optimal settings will not give you the optimal settngs for your connection.

syknesss · Post by **syknesss** » Sun Apr 28, 2002 5:36 pm

how bout dling one of the patches from sg.net?

mnosteele52 · Post by **mnosteele52** » Sun Apr 28, 2002 5:40 pm

Nope because they will put the same settings as the "optimal settings" in the optimizer.

syknesss · Post by **syknesss** » Sun Apr 28, 2002 5:46 pm

this **** slowed me up how can i set it back to normal

Lobo · Post by **Lobo** » Sun Apr 28, 2002 7:09 pm

Click on File on Optimizer, restore default settings

Lobo · Post by **Lobo** » Sun Apr 28, 2002 8:32 pm

Type REGEDIT in run box, go to:

HKEY_LOCAL_MACHINE\
System\CurrentControlSet\Services\Class\NetTrans\000n (Where "000n" is your TCP/IP protocol. It contains "TCP/IP" assigned to the "DriverDesc" value. "n" can be any number from 0 to 9)

Go thru all 000n folders and change 1462 to 1500 whenever you see it, Most important, REBOOT after you check all folders

If this is a PPPoE connection, MTU should be 1492

mnosteele52 · Post by **mnosteele52** » Sun Apr 28, 2002 8:52 pm

Lobo he is on PPPoE, it should be 1492.