Well, I didn't really exactly meant default route from all his providers :)
Sorry for the confusion!

-hc

-- 
Sincerely,
  Haesu C.
  TowardEX Technologies, Inc.
  WWW: http://www.towardex.com
  E-mail: haesu@...
  Cell: (978) 394-2867


On Thu, Jul 31, 2003 at 09:48:20AM -0600, Kris Foster wrote:
> > If people are downloading stuff to you 99% of time, then you 
> > really DO NOT need
> > full routes at all. Just get a default route
> 
> In Anthony's case he has 3xT1s to two providers.  In the event that one T1
> should fail, or two T1s to the same provider, he would most certainly like
> at a minimum partial routes to avoid crushing the remaining T1 (through
> various BGP TE methods).
> 
> Kris
> 
> 
> > On Thu, Jul 31, 2003 at 08:43:13AM -0700, Anthony Guida wrote:
> > > Hello,
> > > 
> > > I work for a smaller ISP in Chicago and we are running
> > > a multi-homed BGP environment with 2 backbone
> > > providers. Our edge router is a 7206VXR (NPE300) with
> > > 256MB of RAM. We have 6 T1s plugged into this router,
> > > 3 to each backbone provider. We are also currently
> > > taking full BGP feeds from both providers.
> > > 
> > > I have been noticing somewhat of an increase in CPU
> > > and memory usage on the edge router in the past few
> > > months and would like to get some assistance on
> > > whether or not we should be taking full BGP feeds
> > > since I understand this takes up a lot of CPU and
> > > memory. Another reason for this performance/latency
> > > throughout our network.
> > > 
> > > According to our MRTG graphs, I can say 99 percent of
> > > our traffic is inbound. Since we are an ISP, everyone
> > > is downloading images and files more than uploading
> > > like a web hosting provider would. What I mean is
> > > taking full BGP feeds for outbound traffic really
> > > shouldn't matter. We should just take partial or
> > > default routes and let our backbone providers decide
> > > where to send the outbound traffic. Our inbound
> > > traffic is determined through our AS prepending &
> > > advertisements config.
> > > 
> > > I would like to know what is recommended. Should we be
> > > accepting full BGP feeds and deal with the CPU & Mem
> > > usage? Or should we be taking only partial with a
> > > default?
> > > What is best practice or what are other network
> > > engineers doing with similar environments?
> > > 
> > > Any information is greatly appreciated.
> > > 
> > > Thanks,
> > > Anthony
> > > 
> > > 
> > > 
> > > __________________________________
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> > > 
> > ------------------------ANNOUNCEMENT---------------------------------
> > > 
> > ---------------------------------------------------------------------
> > >            ISPCON FALL 2003 - Santa Clara Convention Center
> > >      October 20-22 - The Definitive Event Wired and Wireless ISPs
> > >                             www.ispcon.com
> > > 
> > ----------------------------------------------------------------------
> > > 
> > ----------------------------------------------------------------------
> > > 
> > > 




> > 
> > 
> > ------------------------ANNOUNCEMENT---------------------------------
> > ---------------------------------------------------------------------
> >            ISPCON FALL 2003 - Santa Clara Convention Center
> >      October 20-22 - The Definitive Event Wired and Wireless ISPs
> >                             www.ispcon.com
> > ----------------------------------------------------------------------
> > ----------------------------------------------------------------------
> > 
> > 




> > 
> > 
> 
> 
> ------------------------ANNOUNCEMENT---------------------------------
> ---------------------------------------------------------------------
>            ISPCON FALL 2003 - Santa Clara Convention Center
>      October 20-22 - The Definitive Event Wired and Wireless ISPs
>                             www.ispcon.com
> ----------------------------------------------------------------------
> ----------------------------------------------------------------------
> 
> 






------------------------ANNOUNCEMENT---------------------------------
---------------------------------------------------------------------
           ISPCON FALL 2003 - Santa Clara Convention Center
     October 20-22 - The Definitive Event Wired and Wireless ISPs
                            www.ispcon.com
----------------------------------------------------------------------
----------------------------------------------------------------------

Replies

[isp-bgp] Re: Smaller ISP, do we need full BGP routes?, Kris Foster