On Wed, 30 Jan 2002, [iso-8859-1] Kinczli Zoltán wrote:
For those wanting to do l2tp tunnels - look at the 7401-ASR-BB (came out
in June) which is tailor made for terminating oodles of tunnels:
http://www.cisco.com/univercd/cc/td/doc/pcat/7400.htm
http://www.cisco.com/warp/public/cc/pd/rt/7400rt/prodlit/7400_ds.htm
-Hank
> I'm not totally sure, but i have heard some major
> perf enhancements as with L2TP somewhen in 12.2
>
> regards
> --Zoltan
>
> PS: does Juno do xDSL?;)
>
> -----Eredeti üzenet-----
> Feladó: Adrian Mardlin [mailto:Adrian@nildram.net]
> Küldve: 2002. január 30. 17:43
> Címzett: Kinczli Zoltán; 'cisco-nsp@puck.nether.net'
> Tárgy: RE: [nsp] [nsp] performance of an IO-GE+E vs PA-GE
>
>
> Mostly 12.1.7 or 12.1.5(T7) or JunOS :-)
>
> > -----Original Message-----
> > From: Kinczli Zoltán [mailto:Zoltan.Kinczli@Synergon.hu]
> > Sent: 30 January 2002 16:25
> > To: Adrian Mardlin; cisco-nsp@puck.nether.net
> > Subject: RE: [nsp] [nsp] performance of an IO-GE+E vs PA-GE
> >
> >
> > Hello,
> >
> > I agree with you: it's not a tipical real word app: 8000 user @
> > 100Mbps
> > yields around 13kbps/user. So basically it's a demontration of the
> > capability
> > to terminate the 8000 users, it's not the demonstration of the
> > performance.
> >
> > on the 50kpps: I'm just curious, which ios are you running?
> >
> > Thanks,
> >--Zoltan
> >
> > -----Eredeti üzenet-----
> > Feladó: Adrian Mardlin [mailto:Adrian@nildram.net]
> > Küldve: 2002. január 30. 17:18
> > Címzett: Kinczli Zoltán; 'cisco-nsp@puck.nether.net'
> > Tárgy: RE: [nsp] [nsp] performance of an IO-GE+E vs PA-GE
> >
> >
> > Hmm,I find it hard to believe that will work in a real world
> > situation.
> > Our experience shows that an NPE-300 runs out of CPU at about
> > 50,000pps
> > (Cisco claim300,000pps) doing normal IP routing, and about 1500 L2TP
> > terminations.
> >
> > > -----Original Message-----
> > > From: Kinczli Zoltán [mailto:Zoltan.Kinczli@Synergon.hu]
> > > Sent: 30 January 2002 15:56
> > > To: Adrian Mardlin; cisco-nsp@puck.nether.net
> > > Subject: RE: [nsp] [nsp] performance of an IO-GE+E vs PA-GE
> > >
> > >
> > > Hello Adrian,
> > >
> > > Thanks for your input, but according to an independent
> > > test, with 12.1(5)T
> > > 8000 sessions has been demonstrated. (pppoA/pppoE) but the
> > > peek load was 100Mbps,
> > > see attachment.
> > >
> > > From other hand, as with 12.2(4)B there is PXF support for L2TP.
> > >
> > > Anybody out there running a 720xVXR with an io-ge, who
> > can tell me
> > > if it performs over 200mbps fdx or not?
> > >
> > >
> > > regards, thanks again!
> > >
> > > --Zoltan
> > >
> > >
> > >
> > >
> > >
> > > -----Eredeti üzenet-----
> > > Feladó: Adrian Mardlin [mailto:Adrian@nildram.net]
> > > Küldve: 2002. január 30. 16:50
> > > Címzett: Kinczli Zoltán; 'cisco-nsp@puck.nether.net'
> > > Tárgy: RE: [nsp] [nsp] performance of an IO-GE+E vs PA-GE
> > >
> > >
> > > Until CISCO introduce L2TP support on the PXFs, you won't be
> > > able to run more than about 1500 L2TP sessions without
> > > running out of CPU anyway.
> > >
> > > > -----Original Message-----
> > > > From: Kinczli Zoltán [mailto:Zoltan.Kinczli@Synergon.hu]
> > > > Sent: 30 January 2002 15:29
> > > > To: cisco-nsp@puck.nether.net
> > > > Subject: [nsp] [nsp] performance of an IO-GE+E vs PA-GE
> > > >
> > > >
> > > > Hello,
> > > >
> > > > Anybody can tell me about the performance of the
> > io-ge+e's GigaEth
> > > > port?
> > > >
> > > > The PA-GE peeks at 400mbps (that is 200mbps full duplex).
> > > > On the 7400
> > > > the two
> > > > onboard gigaeth's perform at higer rate, provided the
> > traffic flows
> > > > between them.
> > > >
> > > >What i'm currently investigating: if a 7206VXR w NSE-1 can
> > > > handle 8000
> > > > adsl
> > > > users and if i count only 64kbps per user it results in
> > > > 500mbps. Does it
> > > > make
> > > > sense to install two or three PA-A3 into the box? (We
> > > receive the L2TP
> > > > tunnels
> > > > via atm PVCs.)
> > > >
> > > > The CPU handles 300kpps, say the avg.pak size is 512Byte
> > > > (300000*512*8=< 1Gbps),
> > > > so CPU-wisely it's ok. It's roughly OK with two PA-A3's
> > > 'distributed'
> > > > between the
> > > > two PCI busses.
> > > >
> > > > BUT: how does the traffic exit from the router? A
> > PA-GE peeks at
> > > > 200mbps, as we said.
> > > > What about an IO-GE+E's GE?
> > > >
> > > > I simply can't find any info on the IO-GE's performance.
> > > >
> > > > thanks in advance,
> > > >
> > > > --zoltan
> > > >
> > > >
> > >
> >
> >
>
Hank Nussbacher
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