SpeedGuide.net
TCP/IP Analyzer
IP Address: 38.107.191.94 (38.107.191.94)
Browser: CCBot/1.0 (+http://www.commoncrawl.org/bot.html)
Please Read the Analyzer FAQ if the above
is not your IP address.
TCP options string = 0204057801010402
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MTU = 1440
MTU is not fully optimized for broadband. Consider increasing your MTU to 1500 for better throughput. If you are using a router, it could be limiting your MTU regardless of Registry settings.
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MSS = 1400
MSS is not optimized for broadband. Consider increasing your MTU value.
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Default TCP Receive Window (RWIN) = 32120
RWIN Scaling (RFC1323) = 0 bits
Unscaled TCP Receive Window = 32120
For optimum performance, consider changing RWIN to a multiple of MSS.
Other RWIN values that might work well with your current MTU/MSS:
64400 (up to 2 Mbit lines, depending on latency. MSS * 46)
128800 (1-5 Mbit lines, depending on latency. MSS * 46 * 2)
257600 (2-14 Mbit lines, depending on latency. MSS * 46 * 2^2)
515200 (8-30 Mbit lines, depending on latency. MSS * 46 * 2^3)
1030400 (25-60 Mbit lines depending on latency. MSS * 46 * 2^4)
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bandwidth * delay product (Note this is not a speed test):
Your TCP Window limits you to: 1285 kbps (161 KBytes/s) @ 200ms
Your TCP Window limits you to: 514 kbps (64 KBytes/s) @ 500ms
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MTU Discovery (RFC1191) = OFF
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Time to live left = 121 hops
TTL value is ok.
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| Timestamps (RFC1323) = OFF |
Selective Acknowledgements (RFC2018) = ON
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IP type of service field (RFC1349) = 00000000 (0)
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Share Your Results
Below is a compact version of the results without specific recommendations, useful for sharing your current settings. Feel free
to post in our forums with any questions you may have.
Optimize Your Connection
The TCP/IP Analyzer results provide packet header information from the TCP 3-way handshake between your computer and our server.
The information above can be used to fine-tune TCP/IP settings and optimize your internet connection.
Detailed information on optimizing your network-related settings is available here: TCP/IP Tweaks Articles
We have also developed free programs and patches to help apply the optimal settings automatically: SG TCP/IP Downloads
Feel free to ask specific questions about your results in our forums.
59,015,850 connections tested since 03.10.2001.
Analyzer version: 1.18 - last updated 04.02.2010.
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