Okey i seem to need help please

[squiz]

Hello
i have just changed from optus cable ( which was great besides the 3 gig limits etc )

and have now changed to iinet adsl 512

i have just started to download a demo at a wopping speed of 5.6kb/sec lol

anyway decided to do this analyzer and here it is as follows.

TCP options string = 0204059c01010402

MTU = 1476
MTU is not fully optimized for broadband. Consider increasing your MTU to 1500 for better throughput. If you are using a router, it could be limiting your MTU regardless of Registry settings.

MSS = 1436
Maximum useful data in each packet = 1436, which equals 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) = 64620
RWIN Scaling (RFC1323) = 0 bits
Unscaled Receive Window = 64620
RWIN is a multiple of MSS
Other values for RWIN that might work well with your current MTU/MSS:
505472 (MSS x 44 * scale factor of 8)
252736 (MSS x 44 * scale factor of 4)
126368 (MSS x 44 * scale factor of 2)
63184 (MSS x 44)

bandwidth * delay product:
Your RcvWindow limits you to: 2584.8 kbps (323.1 KBytes/s) @ 200ms
Your RcvWindow limits you to: 1033.92 kbps (129.24 KBytes/s) @ 500ms

MTU Discovery (RFC1191) = ON

Time to live left = 114 hops
TTL value is ok.

Timestamps (RFC1323) = OFF

Selective Acknowledgements (RFC2018) = ON

IP type of service field (RFC1349)= 00000000


P.S OS is winXP

Thanks Guys

[mnosteele52]

OK first things first.... we need to get your MTU set propelry before anything else. If your DSL is PPPoE and you are using XP's software it needs to be 1480, if you are using your ISPs software it should be 1492, if it is normal DSL then it should be 1500. Look in my Help & Tips link for some fixes for your MTU.

[squiz]

mnosteele52
Sorry if some of my questions seem a bit out, but very new to this adsl.
only had it for 12 hours atm...

anyway from what i can guess, the modem is a d-link dsl300
and when i g to the modems properties it shows PPPoE.

So as quoted by you ---if your DSL is PPPoE and you are using XP's software it needs to be 1480 ----


So i have just looked at your tip post, and from what im guessing i'll need the xp mtu.reg to merge ?
is this correct mnosteele52 ?

thanks

[mnosteele52]

Possibly..... did you have to install any software from your ISP? If so then you are using their setup and your MTU should be 1492.... if no, then yes use the fix to make it 1480.

[squiz]

Okey i have merged the reg file and gone into the regedit.
changed decimal to 1480. hit ok
and rebooted.

went back into speedguide and did the same test.
as follows


MTU = 1476
MTU is not fully optimized for broadband. Consider increasing your MTU to 1500 for better throughput. If you are using a router, it could be limiting your MTU regardless of Registry settings.




hmm Still the same

[mnosteele52]

OK my next question is do you have a Linksys NIC? If so look under the advanced tab for it's properties and disable the setting "priority packet", this will set your MTU to 1480.

[squiz]

where do i find this Linksys NIC?
sorry mnosteele52

[mnosteele52]

Do you have a Linksys ethernet card installed on your pc? Look in your device manager and see.

[squiz]

No sorry
its an smc ez (1211) series network card.

[mnosteele52]

OK you still haven't confirmaed whether or not you are using XP's PPPoE setup? Also did you try all the other fixes for your MTU I suggested?

[squiz]

well mnosteele52 , i havnt installed anything from the cd that came with the modem.
just connected the cable and telephone cord to modem and power.
went into modems config http://192.168.blah blah
and placed login and password.
that was it, then hit connect.

p.s only tried the reg file and edited the 1480.

what else can i try then that may unlock it ?
thanks

[squiz]

I have looked around, but cannot seem to get the mtu to 1480 for some reason


Would i need to take power of the modem ?

There wasnt any software installed for the d-link 300 adsl modem .

[mnosteele52]

OK then let's work around it, use the folowing settings in CableNut:

DefaultReceiveWindow = 65536
DefaultSendWindow = 16384
DisableAddressSharing = 1
InitialLargeBufferCount = 100
InitialMediumBufferCount = 240
InitialSmallBufferCount = 320
LargeBufferSize = 81920
MaxFastTransmit = 64000
MediumBufferSize = 15040
PriorityBoost = 0
SmallBufferSize = 1280
TransmitWorker = 32
FastSendDatagramThreshold = 1024
EnableFastRouteLookup = 1
EnablePMTUDiscovery = 1
IgnorePushBitsOnReceive = 0
GlobalMaxTcpWindowSize = 17232
MaxFreeTcbs = 8000
MaxHashTableSize = 16384
MaxNormLookupMemory = 5000000
SackOpts = 1
SynAttackProtect = 1
Tcp1323Opts = 0
TcpLogLevel = 1
TcpMaxDupAcks = 2
TcpMaxHalfOpen = 100
TcpMaxHalfRetried = 80
TcpRecvSegmentSize = 1436
TcpSendSegmentSize = 1436
TcpTimedWaitDelay = 30
TcpUseRFC1122UrgentPointer = 0
TcpWindowSize = 17232
MaxConnectionsPer1_0Server = 8
MaxConnectionsPerServer = 4
DefaultTTL = 128
DisableUserTOSSetting = 0
TcpMaxDataRetransmissions = 6
DefaultTOSValue = 92

VERY IMPORTANT TO DO THE FOLLOWING

1. Under your LAN connection - properties - general tab, uninstall all the protocols there that you do not need.

2. Open IE and select tools - internet options - connections - LAN settings, make sure NOTHING there is checked.

3. Make sure you have the latest drivers for your NIC from the manufacturer. Set your NIC duplex mode to 10mb half duplex for Cable, for DSL it is ISP dependent unless you are using a router, if so then set it to 100mb full duplex for both Cable & DSL (the instructions are in my Help & Tips link). If you are using a router make sure you have the latest firmware.

4. Clear your temporary internet files.

5. Power cycle your modem, unplug it for atleast 15 seconds.

6. Download and update then do a scan with SpyBot, anything checked in red is spyware and safe to remove.

7. Make sure you do the faster web page tweak in my Help & Tips link.

[squiz]

Before i do this , being i have 2 network cards, will that be a problem or not?
one for internet and the other is for the 2nd pc lan for internet.
thanks

[mnosteele52]

Originally posted by squiz
Before i do this , being i have 2 network cards, will that be a problem or not?
one for internet and the other is for the 2nd pc lan for internet.
thanks

Look under your ICS settings in your registry and see what the MTU is set to.... that might be what's limiting yours. Also you would be much better off with a router to share your connection, files & printer.

[squiz]

i use sygate as a server.
tried to search for internet connection sharing mtu but didnt find anything.

im lost lol

[squiz]

Okey followed the instruction for cablenut, and spybot didnt find any spyware. then cleared internet explorer.
went to my iinet ftp and dl a 13meg file at 50.4kbs hmm

anyway heres the test
TCP options string = 0204059c01010402

MTU = 1476
MTU is not fully optimized for broadband. Consider increasing your MTU to 1500 for better throughput. If you are using a router, it could be limiting your MTU regardless of Registry settings.

MSS = 1436
Maximum useful data in each packet = 1436, which equals 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) = 17232
RWIN Scaling (RFC1323) = 0 bits
Unscaled Receive Window = 17232
RWIN is a multiple of MSS
Other values for RWIN that might work well with your current MTU/MSS:
505472 (MSS x 44 * scale factor of 8)
252736 (MSS x 44 * scale factor of 4)
126368 (MSS x 44 * scale factor of 2)
63184 (MSS x 44)

bandwidth * delay product:
Your RcvWindow limits you to: 689.28 kbps (86.16 KBytes/s) @ 200ms
Your RcvWindow limits you to: 275.712 kbps (34.464 KBytes/s) @ 500ms
Consider increasing your RWIN value to optimize TCP/IP for broadband.

MTU Discovery (RFC1191) = ON

Time to live left = 114 hops
TTL value is ok.

Timestamps (RFC1323) = OFF

Selective Acknowledgements (RFC2018) = ON

IP type of service field (RFC1349)= 00011100
Precedence (priority) = 000 (routine)
Delay = 1 (low delay)
Throughput = 1 (high throughput)
Reliability = 1 (high reliability)
Cost = 0 (normal cost)



Thanks