Re: Using unallocated address space

["Stephen J. Wilcox" <steve () opaltelecom co uk>]

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.