From: Meried Bekele (meriedbekele@gmail.com)
Date: Wed Aug 29 2007 - 07:51:48 ART
FYI
The idlepcs for all devices are correct according to Dynamips tutorial. I
got the idlepc value for each device by stopping other devices. And as soon
as I applied it, the CPU utilization went to almost 0% for every device. I
have also configured sparsemem = true
and ghostios = true.
Thanks,
On 8/29/07, Meried Bekele <meriedbekele@gmail.com> wrote:
>
> Hi All,
>
> Thanks all for your help.
>
> I have created separate Dynamips instances for each of the routers and now
> I can at least start all the devices in the topology. CPU still reaches 100%
> when the backbone routers (BB1,BB2,BB3) are started. Otherwise I am able to
> succesfully complete Lab 10 from the workbook in full.
>
> I am considering changing my OS but I need to find time to do so since my
> lab is in one month time. Anyways I will let you know the difference as soon
> as I try Linux (may be Redhat for the moment).
>
> Thanks and Best Regards,
>
>
> On 8/27/07, Scott Vermillion <scott_ccie_list@it-ag.com> wrote:
> >
> > The Hacki forum site has been down a lot lately. Make sure you have
> > read
> > and fully understood the memory management section here:
> > http://dynagen.org/tutorial.htm. You'll want to look at sparsemem =
> > true
> > and ghostios = true. Even then, you're likely to need to run at least
> > two instances of Dynamips. I can tell you that on my Dell XPS w/ 2 GHz
> > (non Duo) Proc and 2 GB RAM, I could never run more than about half a
> > dozen routers without starting to see adjacencies drop, etc (you can get
> > more than six router instances going, but once you start redistributing
> > routing protocols and the like, trouble begins to brew). I recently
> > followed Brian Dennis's advice to purchase a Mac Mini as a Dynamips
> > server and it's hard to believe how much more you can do on a
> > non-Windows
> > platform with equal hardware. If this box is nothing but a dedicated
> > Dynamips server for you, I would definitely look into changing your OS,
> > as advised by others...
> >
> > -------- Original Message --------
> > Subject: OT: Dynamips crashes when...
> > From: "Meried Bekele" <meriedbekele@gmail.com>
> > Date: Mon, August 27, 2007 4:50 am
> > To: ccielab@groupstudy.com
> >
> > Dear All,
> >
> > Sorry for the OT, I couldn't access Dynamips/Dynagen forum site (
> > http://hacki.at/7200emu/) today.
> >
> > I am running Dynamips/Dynagen on a Dell pc with Intel Core 2 Duo
> > 1.8GHZprocessor with 2GB RAM. I am using the new IE's workbook for
> > Dynamips with
> > their initial config and topology. I have applied idlepc value for
> > all of
> > the routers in the topology (14 routers). In the middle of
> > configuration,
> > the CPU reaches 100% and one of the two dynamips instances crashes
> > and I
> > will have to start all over again. This mostly happens when I do
> > tasks like
> > IGP redistribution, bgp sesssion peering or etherchannel. So I
> > couldn't
> > finish even one full lab.
> >
> > Please help!
> >
> > --
> > Meried B.
> > Network Operations Senior Expert
> > National Data Center (PMO)
> > Mob. +251 91 1349519
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
> >
>
>
>
> --
> Meried B.
> Network Operations Senior Expert
> National Data Center (PMO)
> Mob. +251 91 1349519
>
-- Meried B. Network Operations Senior Expert National Data Center (PMO) Mob. +251 91 1349519
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