slow DSL

[mbbarker2001]

The tpc/ip analyzer tells me to change my mtu to 1492 . Iknow I have to go to cmd prompt then ping but what next

[mccoffee]

take a tcpip analyzer test cut and paste everything below ip information in a new reply if your mtu is 1480 you are on a dsl pppoe connection you are fine leave it alone.

[mbbarker2001]

take a tcpip analyzer test cut and paste everything below ip information in a new reply if your mtu is 1480 you are on a dsl pppoe connection you are fine leave it alone.
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Home » TCP/IP Analyzer



SpeedGuide.net TCP/IP Analyzer


TCP properties for IP = 71.3.59.252 ()
Browser/OS = Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
Notes: Read the Analyzer FAQ if the above is not your IP address.

TCP options string = 0204057801010402
MTU = 1440
MTU is not fully optimized for broadband. Consider increasing your MTU to 1500 for better throughput.
MSS = 1400
MSS is not fully optimized for broadband (although it might work well for slower connections). Consider increasing your MTU value.

Default Receive Window (RWIN) = 64400
RWIN Scaling (RFC1323) = 0 bits
Unscaled Receive Window = 64400

RWIN is a multiple of MSS
Other values for RWIN that might work well with your current MTU/MSS:
515200 (MSS x 46 * scale factor of 8)
257600 (MSS x 46 * scale factor of 4)
128800 (MSS x 46 * scale factor of 2)
bandwidth * delay product (Note this is not a speed test):

Your RcvWindow limits you to: 2576 kbps (322 KBytes/s) @ 200ms
Your RcvWindow limits you to: 1030.4 kbps (128.8 KBytes/s) @ 500ms
MTU Discovery (RFC1191) = ON
Time to live left = 117 hops

TTL value is ok.
Timestamps (RFC1323) = OFF
Selective Acknowledgements (RFC2018) = ON
IP type of service field (RFC1349) = 00000000 (0)





22276729 connections tested since 03.10.2001.
Analyzer version: 1.06 - last updated 04.12.2005.





Related Links:

SG Broadband Tools
SG TCP/IP Analyzer
SG Security Scanner » Vulnerable Ports » Commonly Open Ports
SG Speed Test
SG Network Tools
SG Bits/Bytes Conversion Calculator
SG RWIN/BDP Calculator








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[mccoffee]

http://dslnuts.com/pppoe/XPCON.htm try this fix what modem do you own and actually who is your provider ??

[mbbarker2001]

Sprint is the provder and it's a 645 series

[mccoffee]

http://www.speedguide.net/faq_in_q.php?qid=204 sprint takes the name it's really a zyxel modem


the address for modem should be 192.168.1.1