From: joe@affirmedsystems.com
Date: Mon Apr 07 2008 - 19:07:39 ART
again, I'm running MPBGP, IPv6 and everything else fine... fast as hell.
just SDM/IPS/VPN WIZARDS suck... is this par for the course?
-Joe
On 2008-04-07 at 18:02, Nick Griffin wrote:
> I'm running a Q6600 with 8 GB or ram ghost ios/mmap. 22 routers in SP
> Lab (OSPF, BGP, MPLS running), I also have 13 routers in IE R/S
> Topology, at this point no routing protocols running, just idling. I
> should also note I've got 4 3745's running 12.4(15)T4 code in the SP
> lab. It hovers right now between 45-50% cpu. Proper cooling seems to
> help keep things stable.
>
> top - 17:02:01 up 21:40, 6 users, load average: 9.62, 12.12, 13.11
> Tasks: 171 total, 1 running, 168 sleeping, 1 stopped, 1 zombie
> Cpu(s): 47.6%us, 1.4%sy, 0.0%ni, 50.8%id, 0.0%wa, 0.1%hi, 0.1%si,
> 0.0%st Mem: 8193996k total, 8119616k used, 74380k free, 355560k
> buffers Swap: 8393952k total, 0k used, 8393952k free,
> 5803920k cached
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 2898 root 15 0 3517m 2.3g 2.2g S 101 28.9 1391:16
> /usr/sbin/dynamips -H 7201 2897 root 15 0 4153m 2.9g 1.7g S
> 90 36.6 1182:51 /usr/sbin/dynamips -H 7200
>
>
>
> On Mon, Apr 7, 2008 at 4:46 PM, Piyoush Sharma <piyoush@gmail.com>
> wrote:
>
> > I've been running dynamips as per IEWB topology.. - thats 14 routers
> > incl the terminal server on a quad-core Q6600 with 3gig ram... no
> > ghostios etc... and it works without a hitch... all the way thru
> > BGP... even when i start all routers at once, the CPU usage remains
> > at 75%. Max i've seen is 85% and that was when I was trying varied
> > cmds and ended up with deliberate routing/switching loops.. Its all
> > abt the idlepc values.. Dynamips + idlepc work wonders on a quad
> > core. Earlier I tried the same topology on a dual-core, I did have
> > some issues, like EIGRP routes flapping when fully loaded. But I
> > think that was the older dynamips variant.
> >
> > Anyways, 'd say its a wonderful way to save on the cost of rack
> > rental initially - ofcourse if you do not have the pc, building
> > something so powerful can be a bit expensive.. but worth the effort..
> > considering the same can be used for almost all CCIE related studies
> > and rack practice.
> >
> > Gary: the only fine tuning I've had to do was idlepc values... which
> > took all of 10mins.. the 3rd value it came up with worked wonders!!!
> >
> > Piyoush.
> >
> > On Mon, Apr 7, 2008 at 2:32 PM, Dale Shaw <dale.shaw@gmail.com> wrote:
> >
> > > I'm running dynamips without too much trouble on a circa 2004 IBM
> > > ThinkPad T42p (2.0GHz single core, 1GB RAM).
> > >
> > > Admittedly I'm not pushing it hard, usually only having 4-5 images
> > > running at once, using a single hypervisor.
> > >
> > > You obviously need to get the idlepc/idlemax stuff under control.
> > > Otherwise, it'll eat all system resources in sight.
> > >
> > > Oh yeah, I run Linux. dynamips seems much happier on Linux.
> > >
> > > dale@buzzsaw:~$ uname -a Linux buzzsaw 2.6.22-14-generic #1 SMP Tue
> > > Feb 12 07:42:25 UTC 2008 i686 GNU/Linux
> > >
> > > cheers, Dale
> > >
> > > On Tue, Apr 8, 2008 at 7:11 AM, Gary Duncanson
> > > <gary.duncanson@googlemail.com> wrote:
> > >
> > > > Surprised to hear this. Being old school I have battered on with my
> >
> > rack
> >
> > > but
> > >
> > > > otherwise I would have gone this route (no pun intended).
> > > >
> > > > Any fine tuning required? ----- Original Message ----- From: "Joseph
> > > > Brunner" <joe@affirmedsystems.com> To: "'Cockcroft, Lance'"
> > > > <lc3881@att.com>; <ccielab@groupstudy.com> Sent: Monday, April 07,
> > > > 2008 8:44 PM Subject: RE: Dynamips on Laptop
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > > I'm having a miserable time with SDM/IPS with a virtualized 3725.
> > > > >
> > > > > Dynamips sucks for anything but simple eigrp/bgp routing.
> > > > >
> > > > > The moment you start using anything other than that, it CRAWLS even
> > >
> > > with
> > >
> > > > > only 1 router running (on a very very powerful pc)
> > > > >
> > > > > -Joe
> > > > >
> > > > > -----Original Message----- From: nobody@groupstudy.com
> > > > > [mailto:nobody@groupstudy.com] On Behalf
> > >
> > > Of
> > >
> > > > > Cockcroft, Lance Sent: Monday, April 07, 2008 3:36 PM To:
> > > > > ccielab@groupstudy.com Subject: Dynamips on Laptop
> > > > >
> > > > > Anyone SUCCESSFULLY running dynamips with FULL labs on a dual core
> > > > > laptop.
> > > > >
> > > > > If so please let us know your specs.
> > > > >
> > > > >
> > > > >
> > > > > Thanks, Lance Cockcroft
> > >
> > >
> > > ______________________________________________________________________
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> >
> >
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>
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