North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical RE: Is it time to abandon bogon prefix filters?
ACLs > -----Original Message----- > From: Pete Templin [mailto:[email protected]] > Sent: Sunday, August 17, 2008 5:57 PM > To: Tomas L. Byrnes > Cc: NANOG list > Subject: Re: Is it time to abandon bogon prefix filters? > > Tomas L. Byrnes wrote: > > Since there are ways to dynamically filter the bogons, using BGP or > > DNS, I don't really see the need to stop doing so. If > you're managing > > your routing and firewall filters manually, you have bigger > problems > > than the release of Bogon space. > > Can you share the Cisco configuration snippet you recommend > to dynamically FILTER bogons using BGP or DNS? Not just > inserting null-routes for the bogon aggregates, but > preventing the acceptance of more-specifics that > transits/peers/customers have managed to sneak past someone's > filters (or lack thereof), please. > > (Without an offline configuration generator, I postulate that > it can't be done.) > > pt >
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