After running the dsl tweak test you have to input some data i.e service provider, O/S that sort of stuff, where i get stuck is on the connection type which do i pick ethernet, WINXPpppoe, routerpppoe or normal ?.
these are the results with WINXPpppoe
1. Your Tweakable Settings:
Receive Window (RWIN):
65535
Window Scaling:
off
Path MTU Discovery:
ON
RFC1323 Window Scaling:
OFF
RFC1323 Time Stamping:
OFF
Selective Acks:
ON
MSS requested:
1460
TTL:
131
(less any hops behind firewall)
TTL remaining:
120
TOS/TOS subfield:
0
TOS/Flags:
2. Test 491101 byte download

Actual data bytes sent:
491101
Actual data packets:
338
Max packet sent (MTU):
1500
Max packet recd (MTU):
1500
Retransmitted data packets:
0
sacks you sent:
2
pushed data pkts:
48
data transmit time:
3.316 secs
our max idletime:
1469.5 ms
transfer rate:
134695 bytes/sec
transfer rate:
1077 kbits/sec
This is not a speed test!
transfer efficiency: 100%
3. ICMP (ping) check

Minimum ping:
87.36 ms
Maximum ping:
116.33 ms
Ping stability:
89.77 116.33 87.54 88.21 88.60 88.77 89.44 90.05 87.36 90.97
Notes and recommendations:

Check FAQ on MTU for XP
(FAQ #2252) both of these i keep getting.

Input line speed for RWIN recommendation

Looking good
Notes and recommendations:

Good data stream (no/few rexmits)

1 second+ stall detected
(FAQ #1606)
Notes and recommendations:

Looking good