[34598] in North American Network Operators' Group

home help back first fref pref prev next nref lref last post

Re: Using unallocated address space

daemon@ATHENA.MIT.EDU (Deepak Jain)
Tue Feb 13 18:35:07 2001

Date: Tue, 13 Feb 2001 18:29:57 -0500 (EST)
From: Deepak Jain <deepak@ai.net>
To: "Stephen J. Wilcox" <steve@opaltelecom.co.uk>
Cc: Roy <garlic@garlic.com>, nanog@merit.edu
In-Reply-To: <Pine.LNX.4.10.10102131716570.26565-100000@rem.opaltelecom.co.uk>
Message-ID: <Pine.BSF.4.21.0102131829520.20454-100000@aries.ai.net>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Errors-To: owner-nanog-outgoing@merit.edu



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.
> > > > 
> > > > 
> > > > 
> > > > 
> > > > 
> > > 
> > > 
> > > 
> > 
> > 
> > 
> 
> 



home help back first fref pref prev next nref lref last post