North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Problems getting Cisco router and Motorola Nextlevel system to work together
This router has a G-1 engine with 512 DRAM. I would stop using IRB, but it appears that the way that motorola has implemented pvc's is very difficult to work around. The Molorola middleware is dynamically assigning the pvc. Yes... I have personly seen a CPE device change their vci after a period of time. The device did not change ports or anything else but was provisioned to a different vci after just sitting there. Thanks for the suggestions so far. -- Brian Raaen Network Engineer [email protected] On Tuesday 24 July 2007 16:25, you wrote: > > > The router is currently configured to use IRB which is a > > hybrid process. > > The problems is that the IRB process is overloaded and is > > dropping traffic faster than it can process it. > > Which NPE is in this router? > > Basically, the 7200 has underpowered CPUs and if you force it to process > switch, then it handles a LOT LESS packets per second than you might > think. I expect that your config is forcing process switching rather > than fast switching. > > The only three solutions are > > A) run less traffic through the 7200 so that process switching can cope > > B) stop using the feature that forces process switching > > C) replace the 7200 with a 7300 which will probably not have CPU issues. > However, not knowing the specifics of what IRB is doing, I would advise > you to test a replacement platform before committing to it. > > Oh well, maybe 4 solutions. If you are using a weak NPE such as NPE-200 > you may be able to get some joy by upgrading to a more powerful one. For > instance an NPE-400 should handle roughly twice the load of an NPE-200. > > --Michael Dillon > > >
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