Date: Sun, 28 Sep 1997 09:59:18 +0930 From: Greg Lehey <grog@lemis.com> To: Kevin Keyser <keyser@clio.rice.edu> Cc: questions@FreeBSD.ORG Subject: Re: netstat -i for lo0 Message-ID: <19970928095918.25225@lemis.com> In-Reply-To: <9709270102.AA04983@clio.rice.edu>; from Kevin Keyser on Fri, Sep 26, 1997 at 08:02:26PM -0500 References: <9709270102.AA04983@clio.rice.edu>
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On Fri, Sep 26, 1997 at 08:02:26PM -0500, Kevin Keyser wrote: > I am running 2.2.2R at home on a P5/60/PCI/EISA, 32M, Adaptec 2742, > 3com 3c592. OS/2 is on one SCSI disk, FreeBSD on the other, using > OS/2's boot manager. > > I have been seeing some strange behavior in my "netstat -i" numbers > for the loopback. Each time I run "netstat -i", ipkts and opkts are > incremented by 48. Note that it does not matter how long or short I > wait between invocations; the change is always 48, like running > netstat causes it. In the example below, the machine is otherwise > *very* idle, no cron jobs other than the install defaults, and is > the only node up on my net. Sorry for the last message--finger trouble. Gary Jennejohn suggested the correct answer: you're probably running a name server on this system. I get the same results on my machine with netstat -i, but not with netstat -in: $ netstat -bin |grep lo0 lo0 16384 <Link> 4338 0 620116 4338 0 620116 0 lo0 16384 255&0x7f00000 127.0.0.1 4338 0 620116 4338 0 620116 0 $ netstat -bin |grep lo0 lo0 16384 <Link> 4338 0 620116 4338 0 620116 0 lo0 16384 255&0x7f00000 127.0.0.1 4338 0 620116 4338 0 620116 0 $ netstat -bi |grep lo0 lo0 16384 <Link> 4346 0 621184 4346 0 621184 0 lo0 16384 255&0x7f00000 localhost 4346 0 621184 4346 0 621184 0 $ netstat -bi |grep lo0 lo0 16384 <Link> 4358 0 622739 4358 0 622739 0 lo0 16384 255&0x7f00000 localhost 4358 0 622739 4358 0 622739 0 $ netstat -bi |grep lo0 lo0 16384 <Link> 4370 0 624294 4370 0 624294 0 lo0 16384 255&0x7f00000 localhost 4370 0 624294 4370 0 624294 0 $ netstat -bi | grep lo0 lo0 16384 <Link> 4406 0 629471 4406 0 629471 0 lo0 16384 255&0x7f00000 localhost 4406 0 629471 4406 0 629471 0 $ netstat -bi | grep lo0 lo0 16384 <Link> 4418 0 631026 4418 0 631026 0 lo0 16384 255&0x7f00000 localhost 4418 0 631026 4418 0 631026 0 Don't worry about the number of packets--that depends on your configuration. Greg
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