BGP visibility for /24 End User Allocation

Seth Mattinen sethm at rollernet.us
Fri Sep 23 13:34:13 CDT 2011


On 9/23/11 11:29 AM, Eric Germann wrote:
> Long time on-again-off-again lurker.
> 
> Looking to multihome in the most efficient mode.
> 
> Our two upstreams are AS11530 (Embarq) and AS10796 (Time Warner).  Diverse routed fiber from each at 10Mbps.
> 
> Our traffic profile is highly asymmetric as a consumer of bandwidth (12-15Mbps average inbound aggregate, 2-3Mbps aggregate very bursty outbound).
> 
> Years ago when I tinkered with BGP there were substantial issues with getting any prefix too small through filters to see the "greater Internet" (IIRC it was a /19 at that time).
> 
> Given we really could justify a /24 realistically, what is the current status of filtering in terms of having that /24 get to the "vast majority" of the Internet given the two providers in question?
> 
> Thanks for any advice in advance.
> 

A /24 is has been the gold standard for a while, you shouldn't have any
problems.

~Seth



More information about the NANOG mailing list