On Fri, Sep 12, 2014 at 8:41 AM, Bruce Evans <b...@optusnet.com.au> wrote:
> Only differences in the counters are used except in 1 place that is > broken in other ways, so overflow is only a large problem starting at > about 40 Gbps. At only 10 Gbps, 32-bit counters are enough with a > refresh interval of 1 second but not quite enough with the default > interval of 5 seconds (this default is not documented in the man > page. It seems to only be documented (with a grammar error -- comma > splice) in the status message for mode switches). 5 seconds at > nearly 1.125 GBps exceeds UINT32_MAX. Packet counter overflow isn't > a problem until about 600 Gbps with the default interval. 32-bit > systems would have other problems supporting 600 GBps interfaces. > I confirm this behavior reported in this PR: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=182448 _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
