[nsp] number of netflow entries on cat6K w/sup2

Stephen J. Wilcox steve at telecomplete.co.uk
Wed Sep 24 00:29:27 EDT 2003


sh mls stat
sh int switching

are probably useful for you also..

Steve

On Tue, 23 Sep 2003, Steve Francis wrote:

> Hi ken, hope things are well...
> 
> Having recently gone through similar issues with native, I also found 
> the netflow documentation a bit sparse...
> 
> This is what I came up with..(don't know if the same commands work under 
> hybrid, but these are the native ones.):
> sho mls netflow ip count
> sho mls netflow table-contention det
> 
> Also, from ian cox at cisco re similar question of mine:
> Exceeding 32k entries on Sup1A, Sup2 just means there is a higher 
> probability a flow will not fit into the hardware table. You can check 
> the number of packets that statistics are not being recorded for in 
> images higher than 12.1(13)E8 or 12.1(19)E1 via:
>   remote command switch show earl statis | inc NF_FULL
> 
> 
> 
> 
> 
> ken lindahl wrote:
> 
> >hi,
> >
> >we're collecting netflow exports from a catalyst 6500, sup2, pfc2, msfc2,
> >running in hybrid mode, catos 7.4 on the sup2 and ios 12.1(19)E1 on the
> >msfc2. the docs warn about the 32K limit on the entries in the netflow
> >table, and describe various knobs to reduce the number of entries. however,
> >nowhere have i found a description of how to query the switch to determine
> >how many entries are currently in the table, or how many times there have
> >been "misses" because the table was already full. does anyone have any
> >clues about how to do this?
> >
> >i'd rather not twiddle the knobs blindly; i'd like to know if (a) i have a
> >problem to begin with, and (b) the knob twiddling is helping or not.
> >
> >thanks for any help,
> >ken lindahl
> >uc berkeley
> >
> >_______________________________________________
> >cisco-nsp mailing list  cisco-nsp at puck.nether.net
> >https://puck.nether.net/mailman/listinfo/cisco-nsp
> >archive at http://puck.nether.net/pipermail/cisco-nsp/
> >  
> >
> 
> 
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
> 



More information about the cisco-nsp mailing list