[nsp] Ibgp peer formula

michael earls michael at michaelearls.com
Mon Jul 12 09:46:15 EDT 2004


I was thinking BGP peer groups with Route Reflectors. 

Thanks all for your help.

michael

On Mon, 12 Jul 2004 08:18:36 -0500, Andrew Lee wrote
> Well since IBGP should be a full mesh, for n routers, n-1 peerings 
> per router, or n*(n-1)/2 adjacencies, are required.  If you don't 
> want to do a full mesh, you should use a technique like route 
> reflectors, where each router peers with atleast one reflector (RFC 
> 2796).
> 
> michael earls wrote:
> > Does anyone know the formula to calculate the number of IBGP peers to number
> > of routers.  
> > 
> > michael
> > 
> > Michael Earls
> > 
> > http://www.vermeer.org
> > 
> > PGP Info: KeyID 0x6B823F57 
> > Fingerprint C593 449E 1EA3 A984 E6B2 60AF 7FCC B27B 6B82 3F57
> > 
> > 
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Michael Earls

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