[c-nsp] BGP Routing Failover for multiple classes of customers

Bruce Pinsky bep at whack.org
Wed Sep 7 03:56:24 EDT 2005


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Gert Doering wrote:
> Hi,
> 
> On Tue, Sep 06, 2005 at 11:24:34PM -0700, Bruce Pinsky wrote:
> 
>>Well, it could depend on how you are achieving 1 and 2.  For example, you
>>could use VRFs for each customer type.  In VRF 1, you only import
>>provider_1 routes.  In VRF 2, you import all the routes from both providers
>>with equal preference.  In VRF 3, you import all the routes, but local pref
>>provider_1 routes.  The interfaces for each customer type are associated
>>with the appropriate VRF.
> 
> 
> Will a Sup720/3B (non XL) handle that?  A main routing table and 2-3 VRFs
> with 160.000 routes each?
> 

Perhaps not.  I didn't pay much attention to the hardware involved, but
rather was thinking about the routing problem involved.

- --
=========
bep

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