EdTo
09-28-01, 01:57 AM
I'am new to DSL and currently using a PPPoE connection.
I was wondering after tweaking the MTU and RcvWin settings, is there anyway I can increase my upload speeds ? or the MTU setting is good for both the upload and download ?, and thanks to this page I'am able to connect at 1000kbps, because of the stupid Win '98 default setting of 1500 (or 576 dial-up setting)slowed everything down.
Heres my settings:
TCP options string = 020405860103030201010402
MTU = 1454 (Don't know why its posting 1454 even though it shows 1492 in the registry ?)
MTU is not fully optimized for broadband. Consider increasing your MTU to 1500 for better throughput.
MSS = 1414
Maximum useful data in each packet = 1414, 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) = 260176
RWIN Scaling (RFC1323) = 2 bits
Unscaled Receive Window = 65044
RWIN is a multiple of MSS
Other values for RWIN that might work well with your current MTU/MSS:
520352 (MSS x 46 * scale factor of 8)
130088 (MSS x 46 * scale factor of 2)
65044 (MSS x 46)
bandwidth * delay product:
Your RcvWindow limits you to: 10407.04 kbps (1300.88 KBytes/s) @ 200ms
Your RcvWindow limits you to: 4162.816 kbps (520.352 KBytes/s) @ 500ms
MTU Discovery (RFC1191) = ON
Time to live left = 50 hops
TTL value is ok.
Timestamps (RFC1323) = OFF
Selective Acknowledgements (RFC2018) = ON
IP type of service field (RFC1349)= 00000000
I was wondering after tweaking the MTU and RcvWin settings, is there anyway I can increase my upload speeds ? or the MTU setting is good for both the upload and download ?, and thanks to this page I'am able to connect at 1000kbps, because of the stupid Win '98 default setting of 1500 (or 576 dial-up setting)slowed everything down.
Heres my settings:
TCP options string = 020405860103030201010402
MTU = 1454 (Don't know why its posting 1454 even though it shows 1492 in the registry ?)
MTU is not fully optimized for broadband. Consider increasing your MTU to 1500 for better throughput.
MSS = 1414
Maximum useful data in each packet = 1414, 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) = 260176
RWIN Scaling (RFC1323) = 2 bits
Unscaled Receive Window = 65044
RWIN is a multiple of MSS
Other values for RWIN that might work well with your current MTU/MSS:
520352 (MSS x 46 * scale factor of 8)
130088 (MSS x 46 * scale factor of 2)
65044 (MSS x 46)
bandwidth * delay product:
Your RcvWindow limits you to: 10407.04 kbps (1300.88 KBytes/s) @ 200ms
Your RcvWindow limits you to: 4162.816 kbps (520.352 KBytes/s) @ 500ms
MTU Discovery (RFC1191) = ON
Time to live left = 50 hops
TTL value is ok.
Timestamps (RFC1323) = OFF
Selective Acknowledgements (RFC2018) = ON
IP type of service field (RFC1349)= 00000000