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RE: Measuring BGP routes

  • From: Bradley Dunn
  • Date: Fri Aug 23 15:43:10 2002 
On 23 Aug 2002, Jeff S Wheeler wrote:

> On Fri, 2002-08-23 at 15:05, Frank Scalzo wrote:
> *edited for length*
> > Most of the tools I have seen have basically done a show ip bgp
> > collected the whole table and parsed it. I know I wrote a tool like that
> 
> Is there any reason this is preferable to establishing an eBGP multihop
> session with the box and receiving the information by that means?

Yes.

BGP only passes along the best route. 'show ip bgp' gives you all routes. 
Unless, of course, your vendor supports something like Juniper's 
"advertise-inactive".

Bradley