RE: {bb} Added trace and now trouble

["Ingersoll, Rick" <rick.ingersoll@ncemcs.com>]

I'm going to upgrade bbgen now I think, but I'm having a problem with
unpatching version 2.12 to allow the upgrade.  

After I run a make after the unpatch, it gives me 
make: *** No rule to make target `loadhosts.o', needed by `bbd'.  Stop.

Any thoughts.  Can I not just apply the new patch on top?

-----Original Message-----
From: owner-bb@bb4.com [mailto:owner-bb@bb4.com] On Behalf Of Henrik Storner
Sent: Wednesday, August 25, 2004 11:13 AM
To: bb@bb4.com
Subject: Re: {bb} Added trace and now trouble

In <CCE0D6BC217E0042B396FD6FCCF3D83FF26639@mail-ncemc-a.raleigh.ncemcs.com>
"Ingersoll, Rick" <rick.ingersoll@ncemcs.com> writes:

>I added the trace option to one host in my bb-hosts file and bbtest comes
up
>telling me that the TCP test engine setup took 425 seconds which I longer
>than bbsleep.  What is it doing here

I'm not sure where the time for the traceroute is accounted, but it
could sound as if it was being put into the "TCP test setup" pool.
(The time-measuring code is fairly stupid). Let me see...

bbgen 2.16 counts the traceroute in the "PING test results sent" time.
Earlier versions counts it in the "TCP test engine setup" time.

So my guess is that you are running bbgen 2.15 or an earlier version,
and it is the traceroute command that takes all that time. You really
should look at the traceroute options you use. Use "-n" to disable DNS
lookups, and also limit the timeout for each packet with "-w2" or
such. If you know the network layout, you might also want to limit the
number of maximum hops ("-mN", default is usually N=30), or skip some
of the initial hops ("-fN", N > 1).

You put the traceroute options in the TRACEROUTE environment variable
together with the traceroute command.

I would also strongly suggest that you see if "mtr" is available on
your system, since it is usually much faster than the standard
traceroute.


Henrik
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