Re: Linux tcp over loopback

Jon Lewis (jlewis@inorganic5.fdt.net)
Thu, 22 Feb 1996 20:06:44 -0500 (EST)


On Wed, 21 Feb 1996, Carl V Streeter wrote:

> > Ever since about 1.3.62, (this worked with 1.3.59+mark6), I can't use
> > irc to connect to the ircd running on the same machine.. However,
> > people 'on the outside' can use my ircd without any problems. I can
> > also use any ircd 'on the outside', just not 127.0.0.1.
>
> Think that this might be related?
>
> bash# ping -f localhost
> PING localhost (127.0.0.1): 56 data bytes
> ....
> --- localhost ping statistics ---
> 1652 packets transmitted, 182 packets received, 88% packet loss
> round-trip min/avg/max = 2.7/92.2/183.0 ms
>
> The number received is always 182 for some reason...

This is an old problem. It happens on 1.2.13. Try these
ping -f -c 100 localhost : 50% loss
ping -f -c 150 localhost : 50% loss
ping -f -c 175 localhost : 50% loss

On my home 486 running 1.2.13, everything after 175 is lost.
ping -f -c 176 localhost
--- localhost ping statistics ---
18206 packets transmitted, 175 packets received, 99% packet loss
round-trip min/avg/max = 3.9/329.9/552.3 ms

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