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Date: Mon, 16 Sep 1996 18:50:53 +0300 (EET DST)
Message-Id: <199609161550.SAA12091@silver.sms.fi>
From: Petri Helenius <pete@sms.fi>
To: Jeffrey Barber <jab@rock.anchorage.net>
Cc: "'freebsd-hardware@FreeBSD.org'" <freebsd-hardware@FreeBSD.org>,
        "'hackers@FreeBSD.ORG'" <hackers@FreeBSD.org>
Subject: Very Slow Ethernet Link
In-Reply-To: <01BBA3A2.11B93340@jabpc.rtfm.com>
References: <01BBA3A2.11B93340@jabpc.rtfm.com>
Sender: owner-hackers@FreeBSD.org
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Excuse me, but last time I checked, 0.350 milliseconds is much less
than a millisecond? So your LinSux is three times slower to respond to
a ping to loopback address.
(which is to be expected from the 'design' of the network code)

Pete

Jeffrey Barber writes:
 > Ok, I just installed FreeBSD 2.1 and boy this is slow, Example:
 > 
 > bash$ ping localhost
 > 
 > PING localhost (127.0.0.1): 56 data bytes
 > 64 bytes from 127.0.0.1: icmp_seq=0 ttl=255 time=0.356 ms
 > 64 bytes from 127.0.0.1: icmp_seq=1 ttl=255 time=0.342 ms
 > 64 bytes from 127.0.0.1: icmp_seq=2 ttl=255 time=0.362 ms
 > 64 bytes from 127.0.0.1: icmp_seq=3 ttl=255 time=0.349 ms
 >
 > --- localhost.arctic.net ping statistics ---
 > 6 packets transmitted, 6 packets received, 0% packet loss
 > round-trip min/avg/max = 0.342/0.349/0.362 ms
 > 
 > bash$ ifconfig -a
 > 
 > lp0: flags=8810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500
 > ep0: flags=863<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX> mtu 1500
 >         inet 19.51.13.1 netmask 0xffffff00 broadcast 19.51.13.255
 > lo0: flags=8009<UP,LOOPBACK,MULTICAST> mtu 16384
 >         inet 127.0.0.1 netmask 0xff000000 
 > sl0: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu 552
 > tun0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
 > 
 > 
 > On my Linux box I get a ping response of:
 > 
 > PING localhost (127.0.0.1): 56 data bytes
 > 64 bytes from 127.0.0.1: icmp_seq=0 ttl=64 time=1.1 ms
 > 64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.9 ms
 > 64 bytes from 127.0.0.1: icmp_seq=2 ttl=64 time=0.9 ms
 > 64 bytes from 127.0.0.1: icmp_seq=3 ttl=64 time=1.0 ms
 > 
 > Big difference here. Please shed some light on this for me.
 > 
 > TIA
 >