Here's what I got:
Main Test Page:
Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done
running 10s outbound test (client to server) . . . . . 309.25Kb/s
running 10s inbound test (server to client) . . . . . . 240.86kb/s
Your PC is connected to a Cable/DSL modem
Information: Other network traffic is congesting the link
Information: The receive buffer should be 65.52 Kbytes to maximize throughput
Statistics:
WEB100 Enabled Statistics:
Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done
running 10s outbound test (client to server) . . . . . 309.25Kb/s
running 10s inbound test (server to client) . . . . . . 240.86kb/s
------ Client System Details ------
OS data: Name = Windows XP, Architecture = x86, Version = 5.1
Java data: Vendor = Sun Microsystems Inc., Version = 1.3.1_04
------ Web100 Detailed Analysis ------
Cable modem/DSL/T1 link found.
Link set to Full Duplex mode
Information: throughput is limited by other network traffic.
Good network cable(s) found
Normal duplex operation found.
Web100 reports the Round trip time = 178.93 msec; the Packet size = 1452 Bytes; and
There were 12 packets retransmitted, 45 duplicate acks received, and 50 SACK blocks received
The connection was idle 0 seconds (0%) of the time
This connection is network limited 99.98% of the time.
Excessive packet loss is impacting your performance, check the auto-negotiate function on your local PC and network switch
Web100 reports TCP negotiated the optional Performance Settings to:
RFC 2018 Selective Acknowledgment: ON
RFC 896 Nagle Algorithm: ON
RFC 3168 Explicit Congestion Notification: OFF
RFC 1323 Time Stamping: OFF
RFC 1323 Window Scaling: OFF
Information: Network Middlebox is modifying MSS variable
Server IP addresses are preserved End-to-End
Information: Network Address Translation (NAT) box is modifying the Client's IP address
Server says [67.126.232.51] but Client says [192.168.1.101]
More Details:
WEB100 Kernel Variables:
Client: localhost/127.0.0.1
AckPktsIn: 140
AckPktsOut: 0
BytesRetrans: 17424
CongAvoid: 65
CongestionOverCount: 0
CongestionSignals: 8
CountRTT: 84
CurCwnd: 5808
CurMSS: 1452
CurRTO: 410
CurRwinRcvd: 33396
CurRwinSent: 16304
CurSsthresh: 2904
DSACKDups: 0
DataBytesIn: 0
DataBytesOut: 338316
DataPktsIn: 0
DataPktsOut: 233
DupAcksIn: 45
ECNEnabled: 0
FastRetran: 8
MaxCwnd: 10164
MaxMSS: 1452
MaxRTO: 480
MaxRTT: 300
MaxRwinRcvd: 33396
MaxRwinSent: 16304
MaxSsthresh: 4356
MinMSS: 1452
MinRTO: 380
MinRTT: 110
MinRwinRcvd: 33396
MinRwinSent: 16304
NagleEnabled: 1
OtherReductions: 0
PktsIn: 140
PktsOut: 233
PktsRetrans: 12
X_Rcvbuf: 103424
RcvWinScale: 7
SACKEnabled: 3
SACKsRcvd: 50
SendStall: 0
SlowStart: 17
SampleRTT: 200
SmoothedRTT: 180
X_Sndbuf: 103424
SndWinScale: 0
SndLimTimeRwin: 0
SndLimTimeCwnd: 10833098
SndLimTimeSender: 2585
SndLimTransRwin: 0
SndLimTransCwnd: 1
SndLimTransSender: 1
SndLimBytesRwin: 0
SndLimBytesCwnd: 338316
SndLimBytesSender: 0
SubsequentTimeouts: 0
SumRTT: 15030
Timeouts: 0
TimestampsEnabled: 0
WinScaleRcvd: 0
WinScaleSent: 7
DupAcksOut: 0
StartTimeUsec: 859576
Duration: 10838962
c2sData: 2
c2sAck: 2
s2cData: 2
s2cAck: 2
half_duplex: 0
link: 100
congestion: 1
bad_cable: 0
mismatch: 0
spd: 0.00
bw: 0.33
loss: 0.034334764
avgrtt: 178.93
waitsec: 0.00
timesec: 10.00
order: 0.3214
rwintime: 0.0000
sendtime: 0.0002
cwndtime: 0.9998
rwin: 0.2548
swin: 0.7891
cwin: 0.0775
rttsec: 0.178929
Sndbuf: 103424
aspd: 0.93038
Checking for mismatch on uplink
(speed > 50 [0>50], (xmitspeed < 5) [0.30<5]
(rwintime > .9) [0>.9], (loss < .01) [0.03<.01]
Checking for excessive errors condition
(loss/sec > .15) [0.00>.15], (cwndtime > .6) [0.99>.6],
(loss < .01) [0.03<.01], (MaxSsthresh > 0) [4356>0]
Checking for 10 Mbps link
(speed < 9.5) [0<9.5], (speed > 3.0) [0>3.0]
(xmitspeed < 9.5) [0.30<9.5] (loss < .01) [0.03<.01], (mylink > 0) [3.0>0]
Checking for Wireless link
(sendtime = 0) [2.0E=0], (speed < 5) [0<5]
(Estimate > 50 [0.33>50], (Rwintime > 90) [0>.90]
(RwinTrans/CwndTrans = 1) [0/1=1], (mylink > 0) [3.0>0]
Checking for DSL/Cable Modem link
(speed < 2) [0<2], (SndLimTransSender = 0) [1=0]
(SendTime = 0) [2.0E-4=0], (mylink > 0) [3.0>0]
Checking for half-duplex condition
(rwintime > .95) [0>.95], (RwinTrans/sec > 30) [0>30],
(SenderTrans/sec > 30) [0.1>30], OR (mylink <= 10) [3.0<=10]
Checking for congestion
(cwndtime > .02) [0.99>.02], (mismatch = 0) [0=0]
(MaxSsthresh > 0) [4356>0]
estimate = 0.33 based on packet size = 11Kbits, RTT = 178.93msec, and loss = 0.034334764
The theoretical network limit is 0.33 Mbps
The NDT server has a 101.0 KByte buffer which limits the throughput to 4.41 Mbps
Your PC/Workstation has a 32.0 KByte buffer which limits the throughput to 1.42 Mbps
The network based flow control limits the throughput to 0.43 Mbps
Client Data reports link is 'T1', Client Acks report link is 'T1'
Server Data reports link is 'T1', Server Acks report link is 'T1'
Let me know what else I can do to help with the diagnosis.
Many thanks.