[c-nsp] PPP Mulitilink on 3620

[Rodney Dunn]

Check "sh adj detail" and look at the CEF adjacency
for the MLPPP bundle.  Do you see packet counters
going up for the adjacency?

If you do then you are CEF switching packets out
that interface matching that adjacency.

4xT1's in a MLPPP bundle is going to push the
capability of the 3620.

Check 'sh ppp multilink' and see what that looks
like with a couple snapshots.

Rodney

On Tue, Feb 22, 2005 at 10:06:42PM +0000, David Simmons - EliteUKServe.Net wrote:
> 
> Hi Rodney,
> 
> Please find sh vers:
> 
> sh vers
> Cisco Internetwork Operating System Software 
> IOS (tm) 3600 Software (C3620-JK9S-M), Version 12.2(23a), RELEASE SOFTWARE 
> (fc2)
> Copyright (c) 1986-2004 by cisco Systems, Inc.
> Compiled Tue 30-Mar-04 13:36 by kellmill
> Image text-base: 0x60008930, data-base: 0x61594000
> 
> ROM: System Bootstrap, Version 11.1(19)AA, EARLY DEPLOYMENT RELEASE SOFTWARE 
> (fc                                                                                     
> 1)
> 
> ntl1 uptime is 1 day, 7 hours, 53 minutes
> System returned to ROM by reload at 14:09:30 GMT Mon Feb 21 2005
> System restarted at 14:11:32 GMT Mon Feb 21 2005
> System image file is "flash:c3620-jk9s-mz.122-23a.bin"
> 
> 
> This product contains cryptographic features and is subject to United
> States and local country laws governing import, export, transfer and
> use. Delivery of Cisco cryptographic products does not imply
> third-party authority to import, export, distribute or use encryption.
> Importers, exporters, distributors and users are responsible for
> compliance with U.S. and local country laws. By using this product you
> agree to comply with applicable laws and regulations. If you are unable
> to comply with U.S. and local laws, return this product immediately.
>           
> A summary of U.S. laws governing Cisco cryptographic products may be found at:
> http://www.cisco.com/wwl/export/crypto/tool/stqrg.html
>                                 
> If you require further assistance please contact us by sending email to
> export at cisco.com.               
>                                 
> cisco 3620 (R4700) processor (revision 0x81) with 53248K/4096K bytes of 
> memory.
> Processor board ID 09260313     
> R4700 CPU at 80Mhz, Implementation 33, Rev 1.0
> Bridging software.              
> X.25 software, Version 3.0.0.   
> SuperLAT software (copyright 1990 by Meridian Technology Corp).
> TN3270 Emulation software.      
> 2 Ethernet/IEEE 802.3 interface(s)
> 4 Serial network interface(s)
> DRAM configuration is 32 bits wide with parity disabled.
> 29K bytes of non-volatile configuration memory.
> 16384K bytes of processor board System flash (Read/Write)
> 20480K bytes of processor board PCMCIA Slot0 flash (Read/Write)
>           
> Configuration register is 0x2102
> 
> Best Regards,
> 
> Dave
> 
> On Tuesday 22 February 2005 18:26, Rodney Dunn wrote:
> > What code is it?
> >
> > All MLPPP traffic is CEF switched in recent
> > (within the last couple of years I think)
> > code.
> >
> > Rodney
> >
> > On Tue, Feb 22, 2005 at 12:11:19PM -0500, Robert Blayzor wrote:
> > > David Simmons - EliteUKServe.Net wrote:
> > > > Thanks for this.
> > > >
> > > > I saw this. Can you clarify to me then what my maximum PPS for this
> > > > router would be utilising the multilink¿ 2k?
> > >
> > > Change your load-interval to 30 seconds on your multilink interface.
> > > That will give you a better view of current traffic...
> > >
> > > If your 5 minute is around 1500 pps, good chance that you have some
> > > 2000+ pps spikes in there.  AFAIK all MLPPP is process switched, which
> > > kills router CPU on smaller routers like the 3620 at the multi-meg level.
> > >
> > > --
> > > Robert Blayzor, BOFH
> > > INOC, LLC
> > > rblayzor\@(inoc.net|gmail.com)
> > > PGP: http://www.inoc.net/~dev/
> > > Key fingerprint = 1E02 DABE F989 BC03 3DF5  0E93 8D02 9D0B CB1A A7B0
> > >
> > > "I thought I had a great idea today, but it never really took off. In
> > > fact, it didn't even get on the runway. I guess you could say it
> > > exploded in the hangar." - Calvin and Hobbes
> > > _______________________________________________
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> 
> -- 
> 
> David Simmons
> Elite Limited
> 
> EMail: david.simmons at elite.ltd.uk
> Tel: +44 (0) 870 250 7610
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