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0

Why you need top reinvent the wheel? There exist at least two very good tools to do that: iperf, version 2.x (both Linux and Windows) or version 3.x (Linux only) netperf, version 2.4 and 2.6 (Linux/Unix/BSD and the likes).


1

Have you created a Network/vSwitch within Virtual box? you can use Host-only networking mode and attach server and win 7 to the same so that win 7 can send DHCP request to DHCP server. On Networking settings is correct in virtual box, windows 7 should gain an IP address from DHCP server.


1

Theoretically the lowest ping coast to coast from the UK to the US would be 57ms due to a number of factors such as the speed of light in optical fibres being slower and the optical lines not being straight. In reality response times are much slower. New york for us is 72ms. This is exceptional. We have a direct fibre connection to the location in London ...


0

You can have @ 200 ms delay, just test the connection to another US supplier from the same area, ask for specific information: what is their minimal ping tolerance? 75 ms to US is really good, generally speaking but that depends on what you need it for and how you use the connection. Don't do the comparison with the UK though 1-3 ms delay means that you are ...


7

I suspect that any performance increases you'll see are from improving whatever wrapper you're using to make your connections, rather than the overhead of launching curl for each URL. Whether it's curl or netcat or wget, you'll probably want to launch each one separately in order to process their results separately. But I'll answer this question in two ...


1

Maybe use Netcat? ( netcat $domain 80 | head -n 1 ) << EOF HEAD / HTTP/1.0 Host: $domain EOF Output: HTTP/1.1 200 OK


0

This sounds like a DNS problem for sure. Set the TTL to 1 minute and if it has a setting that lets you bump the serial number, bump it. If that fails, I'd try isolating the possible culprits one by one. Schedule a maintenance window when no one needs a workstation (say, 8PM or however it works for your office). With all the client machines still turned on, ...


-4

DHCP or Static IP? DHCP: 1)ipconfig /all 2) ping "default gateway" Static: 1)tracert If no luck, check your dns and/or try to connect with a website directly with the IP address.



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