[ARGUS] A concrete packet loss example :-)

[Carter Bullard]

Hey Peter,
   Any sense of pkts/sec?
Carter


> From: Peter Van Epp <vanepp at sfu.ca>
> Date: Fri, 29 Oct 2004 15:58:04 -0700
> To: <argus-info at lists.andrew.cmu.edu>
> Subject: Re: [ARGUS] A concrete packet loss example :-)
> 
> Success looks to have plagued our efforts. On a SUSE 2.6.5-7.108 kernel
> with the ring buffer bpf code from www.ntop.org running on the dual athelon
> box described earlier with SysKonnect cards (which by the way need:
> 
> /etc/modprobe.conf
> 
> options sk98lin Speed_A=1000,1000 AutoNeg_A=Off,Off DupCap_A=Full,Full
> 
> to like an optical tap) we managed to get argus to report 13,850,389,170 bytes
> for a ~13 gigabyte at ~900 meg per second transfer across the Westgrid network
> with no reported loss on either the interfaces or the ring buffer bpf report.
> Highly recommended!. We are running around 64Megabytes in the kernel ring
> buffer and a 30 second reporting interval on argus (the default lost some
> data).
> Hopefully no one wants to know how, because the fellow who did the
> kernel for me leaves on vacation for a month tonite so you'll have to wait
> :-).
> 
> Peter Van Epp / Operations and Technical Support
> Simon Fraser University, Burnaby, B.C. Canada
>