Using unallocated address space

Deepak Jain deepak at ai.net
Tue Feb 13 23:56:30 UTC 2001



Like someone else's RPSL suggestion which is the best idea I've heard on
the topic.

Deepak Jain
AiNET

On Tue, 13 Feb 2001, Roy wrote:

> 
> What would be nice is that there was an offical list of private, unallocated, or
> reserved ranges kept somewhere that we could use and generate filters from.
> 
> Roy Engehausen
> 
> Deepak Jain wrote:
> 
> > Laziness?
> >
> > Deepak
> >
> > On Tue, 13 Feb 2001, Stephen J. Wilcox wrote:
> >
> > >
> > > so why bother advertising all these unnecessary blocks increasing the bgp
> > > table size and increasing traffic when you can just add a default route to
> > > null0 as per previous email??
> > >
> > > On Tue, 13 Feb 2001, Deepak Jain wrote:
> > >
> > > >
> > > >
> > > > You can configure the BGP feed to set next hop to an unused interface or
> > > > null0 or (your hardware's efficient null spot). The idea of BGP feed, if I
> > > > am not mistaken, is to allow dynamic configuration/reconfiguration as
> > > > blocks are allocated to keep from having to revise hundreds of routers'
> > > > filters.
> > > >
> > > > In practice, I am not sure I'd feel comfortable with it, but surely many
> > > > would use it.
> > > >
> > > > Deepak Jain
> > > > AiNET
> > > >
> > > >
> > > > On Tue, 13 Feb 2001, Stephen J. Wilcox wrote:
> > > >
> > > > >
> > > > > Only I drop my unallocated/private packets at my core routers, if you set
> > > > > up routes to ARIN/whoever then I would transmit out those packets and my
> > > > > transits would carry them for me if I dont connect directly..
> > > > >
> > > > > extra traffic all round really. why not just let the core routers bin the
> > > > > rogue packets? (ip route 0.0.0.0 0.0.0.0 null0)
> > > > >
> > > > > Steve
> > > > >
> > > > > --
> > > > > Stephen J. Wilcox
> > > > > Internet Manager, Opal Telecom
> > > > > http://www.opaltelecom.co.uk/
> > > > > Tel: 0161 222 2000
> > > > > Fax: 0161 222 2008
> > > > >
> > > > > On Tue, 13 Feb 2001, Roy wrote:
> > > > >
> > > > > >
> > > > > > It would seem to me that ARIN and its counterparts should get together and
> > > > > > provide a "blackhole" BGP feed (the NBL?)  where all packets destined for
> > > > > > unallocated, restricted, or private space go bye-bye.
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > >
> > >
> > >
> 
> 





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