At 3:35 PM -0800 10/29/2000, whitaker wrote:
>ok, so I'm trying to implement some BGP routing for the first time.
>I've read through the advanced IP network design, Internet Routing
>Architectures, the RFCs, and a couple other books on BGP. But as we
>all know, none of this compares to good experience. So, before I
>attempt to implement BGP in mission critical datacenter, I thought
>I'd run it by the experts (that's you!) to make sure I'm
>understanding this right.
While your comments are informative, I strongly suggest you write out
your routing policy in RPSL. It's good practice, in any case, to
write the policy and register it with an appropriate routing
registry. see http://www.radb.net. There are some tutorials at this
site, there's the RPSL and the "Using RPSL in Practice" RFCs, my BGP
series at CertificationZone, etc. Lots of material at
http://www.nanog.org -- in particular, look for Avi Friedman's BGP
102 tutorial for more about filters.
AS path prepend, as you point out, will influence traffic coming
towards you. Do you want to try for some load balancing in your
outgoing direction? One reasonable way to do that is to assign a
higher (i.e., more preferred) local preference to customer/direct
connected routes from each ISP (i.e., ASprovider +).
>[snip]
>
>Here's my questions:
>* Networks are going to be added once a week, not all at once. To
>add a network, it is my understanding that I type 'clear
>ip bgp * soft-reconfiguration outbound' to reset the bgp connection.
>Is this correct?
You need to predefine soft reconfiguration.
As far as adding networks, I really would want to know more about
your addressing.
>
>* Does this configuration effectively make my network non-transitive?
>
>* I've read about peer groups - would this be an effective way of
>maintaining the configuration between the two 6509s? Or
>would it just be adding an additional level of complexity?
Peer groups are helpful for multiple interfaces on the same router.
>
>* Will this configuration help to balance out the traffic some
>across the two 6509s?
>
>
>
>
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