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I have a ping to 127.0.0.1 which varies between 1 and 23 milliseconds. I'm using a VIA Rhine II Fast Ethernet Adapter, and updating to the latest driver version 3.87.0.1 didn't seem to fix the problem.
3
I have a ping to 127.0.0.1 which varies between 1 and 23 milliseconds. I'm using a VIA Rhine II Fast Ethernet Adapter, and updating to the latest driver version 3.87.0.1 didn't seem to fix the problem.
1
It sounds like you might have a service running locally that might be producing this behavior. That is the only thing I have ever seen that would cause a response from localhost to exceed <1ms.
Do this:
In Windows
netstat -an | findstr 127.0.0.1
in Linux
netstat -an | grep 127.0.0.1
take a look at any connections that are ESTABLISHED or LISTENING.
Some common services to look for would be HTTP (80), Socks Proxy (8080, 8000, etc), SQL Server (1433), Webmin (10000), MySQL (3306).
what OS? I wouldn't thing a ping to localhost would go out to the ethernet adaptor. And why is ping to localhost important here? – Journeyman Geek – 2012-11-05T00:50:47.463
Windows XP SP3. This seems to delay every connection I make. For example, from another computer ping to my router is <1ms, but from this computer the ping to my router highly varies in the same way the ping to my own computer varies. I'm not using wireless... – sdf – 2012-11-05T00:52:36.530
try reinstalling the tcpip stack. – Moab – 2012-11-05T00:56:31.827
1Is 127.0.0.1 routed via the loopback interface (as it should be)? If it is then it should never reach (or be influenced by) your network card and NIC drivers. – Hennes – 2012-11-05T01:13:12.823
Post output to trace-route of Google.com . See http://kb.iu.edu/data/aihy.html
– Mikhail – 2012-11-05T01:26:21.460Any possibility you are running a proxy or some service locally that might cause such an issue? – Richie086 – 2012-11-05T06:13:57.313