[96125] in North American Network Operators' Group
Re: Number of BGP routes a large ISP sees in total
daemon@ATHENA.MIT.EDU (Yi Wang)
Tue Apr 17 20:28:40 2007
In-Reply-To: <79B444FF-4271-43E2-B4C0-0509343D9A89@cs.ucla.edu>
Cc: nanog@merit.edu
From: Yi Wang <yiwang@CS.Princeton.EDU>
Date: Tue, 17 Apr 2007 20:20:15 -0400
To: "Ricardo V. Oliveira" <rveloso@cs.ucla.edu>
Errors-To: owner-nanog@merit.edu
I guess what I see there is the lower bound of the path diversity?
Because even
though an edge router received more than one path for a prefix, it'll
only export
the best route to the other edge routers of the ISP.
Yi
On Apr 17, 2007, at 8:02 PM, Ricardo V. Oliveira wrote:
>
> Telnet to any of these route servers:
> http://www.bgp4.net/wiki/doku.php?id=tools:ipv4_route_servers
>
> and do "show ip bgp"
>
> --Ricardo
>
> On Apr 17, 2007, at 4:45 PM, Yi Wang wrote:
>
>>
>> I should have said I'm interested in the merged size of RIB-In
>> (which contains all the raw
>> routes received).
>>
>> I couldn't find information about the number of different routes
>> for the same prefix
>> a (large) AS typically receives/learns. Hints?
>>
>> Yi
>>
>> On Apr 17, 2007, at 7:29 PM, Jeroen Massar wrote:
>>
>>> Yi Wang wrote:
>>>>
>>>> Hi,
>>>>
>>>> Could anyone give me a sense how many BGP routes a large ISP
>>>> typically
>>>> sees in total?
>>>> Here by "in total", I mean if the RIB of all routers in the ISP
>>>> were
>>>> merged, how many distinctive
>>>> routes would there be?
>>>
>>> Google(route bgp) "I am feelink lucky"
>>>
>>> aka first hit, and just look around there.
>>>
>>> Greets,
>>> Jeroen
>>>
