Author Topic: Help with Comcast tweaks please  (Read 2533 times)

Offline Bozz

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Help with Comcast tweaks please
« on: March 11, 2010, 09:17:06 am »
Hi. I currently have Comcast 12mbps/2mbps.


SpeedGuide.net TCP Analyzer Results
Tested on: 03.11.2010 10:09
IP address: 71.226.x.xxx
Client OS: Windows XP
 
TCP options string: 020405b40103030401010402
MSS: 1460
MTU: 1500
TCP Window: 768000 (NOT multiple of MSS)
RWIN Scaling: 4 bits (2^4=16)
Unscaled RWIN : 48000
Recommended RWINs: 64240, 128480, 256960, 513920, 1027840
BDP limit (200ms): 30720kbps (3840KBytes/s)
BDP limit (500ms): 12288kbps (1536KBytes/s)
MTU Discovery: ON
TTL: 47
Timestamps: OFF
SACKs: ON
IP ToS: 00100000 (32)
    Precedence: 001 (priority)
    Delay: 0 (normal delay)
    Throughput: 0 (normal throughput)
    Reliability: 0 (normal reliability)
    Cost: 0 (normal cost)
    Check bit: 0 (correct)
DiffServ: CS1 001000 (8) - class 1 (RFC 2474). Similar forwarding behavior to the ToS Precedence field.

Offline mccoffee

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Re: Help with Comcast tweaks please
« Reply #1 on: March 11, 2010, 07:03:09 pm »
DefaultReceiveWindow = 256000
DefaultSendWindow = 25600
DisableAddressSharing = 1
InitialLargeBufferCount = 200
InitialMediumBufferCount = 480
InitialSmallBufferCount = 640
LargeBufferSize = 819200
MaxFastTransmit = 64000
MediumBufferSize = 150400
Priority Boost = 0
SmallBufferSize = 12800
TransmitWorker = 32
FastSendDatagramThreshhold = 4096
EnableFastRouteLookup = 1
EnablePMTUDiscovery = 1
IgnorePushBitsOnReceives = 0
GlobalMaxTcpWindowSize = 52560
MaxFreeTcbs = 8000
MaxHashTableSize = 16384
MaxNormLookupMemory = 5000000
SackOpts = 1
SynAttackProtect = 1
Tcp1323Opts = 0
TcpLogLevel = 1
TcpMaxDupAttacks = 3
TcpMaxHalfOpen = 100
TcpMaxHalfOpenRetired = 80
TcpRecvSegmentSize = 1460
TcpSendSegmentSize = 1460
TcpTimedWaitDelay = 30
TcpUseRFC1122UrgentPointer = 0
TcpWindowSize = 52560
MaxConnectionsPer1_0Server = 10
MaxConnectionsPerServer = 8
DefaultTimeToLive = 64
DefaultUserTOSSetting = 0
TcpMaxDataRetransmissions = 6
DefaultTOSValue = 240

Offline Bozz

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Re: Help with Comcast tweaks please
« Reply #2 on: March 12, 2010, 03:48:28 pm »
Works great. Thanks mccoffee.