Date: Wed, 26 Dec 2001 10:40:56 -0500 (EST) From: Kenneth Wayne Culver <culverk@wam.umd.edu> To: "James E. Housley" <jeh@FreeBSD.ORG> Cc: Michal Mertl <mime@traveller.cz>, arch@FreeBSD.ORG Subject: Re: 64 bit counters Message-ID: <Pine.GSO.4.21.0112261039160.11343-100000@rac1.wam.umd.edu> In-Reply-To: <3C29D449.7EC7EFCF@FreeBSD.org>
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SNMP shouldn't have a problem, especially if rfc 2233 (interfaces mib) is implemented. This mib calls for 64-bit counters in many cases anyway. For cases that don't need 64-bit counters, a simple typecast to a u_long works fine, saving the lower 32 bits. Ken On Wed, 26 Dec 2001, James E. Housley wrote: > Michal Mertl wrote: > > > > I would expect this topic already popped on the list but search didn't > > revealed anything. > > > > As a hostmaster of several FreeBSD servers I noticed the problem of some > > counters overflowing (e.g. byte counters for IP/TCP/UDP overflow in > > several days on my systems). I looked at the source code and it seems > > On a system that I have access to with GigE cards, running constantly > over 200Mb/s, the netstat -i counters will overflow on the order of once > every minute or two. As an aside questions. When we update the network > interface to use the larger 64bit counters, will external programs like > SNMP be able to function with the larger sizes or will these have > problems. I am not sugesting we don't do this, I just want to know. > > Jim > -- > /"\ ASCII Ribbon Campaign . > \ / - NO HTML/RTF in e-mail . > X - NO Word docs in e-mail . > / \ ----------------------------------------------------------------- > jeh@FreeBSD.org http://www.FreeBSD.org The Power to Serve > jim@TheHousleys.Net http://www.TheHousleys.net > jhousley@SimTel.Net http://www.SimTel.Net > --------------------------------------------------------------------- > It's always a long day, 86400 doesn't fit into a short. > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-arch" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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