[f-nsp] Route Table Fluctuation

Fredy Kuenzler kuenzler at init7.net
Mon Apr 25 16:44:47 EDT 2011


I think you miss proper BOGON filtering. While BOGON is actually obsolete / became static (10/8, 172.16/12 etc), one still should filter away anything smaller than /24. Some networks tend to leak their iBGP more-specifics towards their transits which don't filter properly either. You don't want to see that rubbish, I assume. Search for BOGON + cymru for a good documentation.

Regards, Fredy

Von meinem iPhone gesendet

Am 25.04.2011 um 16:37 schrieb Jose Madrid <jmadrid2 at gmail.com>:

> I have an MLX with uplinks to 2 transit providers and I have seen the
> route table fluctuate between 360k and 399k routes.  Besides the
> obvious, any idea why I would see a 30K fluctuation in routes within a
> few days?  This has caused some CAM issues on this box, but mostly I
> am interested for my own purposes.  The box is humming along pushing
> traffic with no issue. Any ideas?
> 
> -- 
> It has to start somewhere, it has to start sometime.  What better
> place than here? What better time than now?
> 
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