SpeedGuide.net
TCP/IP Analyzer
IP Address: 38.107.191.114 (38.107.191.114)
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 = 0204055001010402
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MTU = 1400
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 = 1360
MSS is not optimized for broadband. Consider increasing your MTU value.
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Default TCP Receive Window (RWIN) = 17680
RWIN Scaling (RFC1323) = 0 bits
Unscaled TCP Receive Window = 17680
RWIN is a multiple of MSS
Other RWIN values that might work well with your current MTU/MSS:
65280 (up to 2 Mbit lines, depending on latency. MSS * 48)
130560 (1-5 Mbit lines, depending on latency. MSS * 48 * 2)
261120 (2-14 Mbit lines, depending on latency. MSS * 48 * 2^2)
522240 (8-30 Mbit lines, depending on latency. MSS * 48 * 2^3)
1044480 (25-60 Mbit lines depending on latency. MSS * 48 * 2^4)
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bandwidth * delay product (Note this is not a speed test):
Your TCP Window limits you to: 707 kbps (88 KBytes/s) @ 200ms
Your TCP Window limits you to: 283 kbps (35 KBytes/s) @ 500ms
Consider increasing your RWIN value to optimize TCP/IP for broadband.
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MTU Discovery (RFC1191) = ON
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Time to live left = 122 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.
55,899,494 connections tested since 03.10.2001.
Analyzer version: 1.17 - last updated 02.05.2009.
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