North American Network Operators Group
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RE: Strange BGP announcement

  • From: Martin, Christian
  • Date: Tue Nov 17 22:23:49 1998 
> 
> Patently false.  In particular, the spec allows an 
> implementation to invoke
> local policy when computing the local preference of a route.  An
> implementation can reasonably incorporate the AS path length 
> in its local
> preference calculations as part of its policy.
> 
> Tony
> 

In Cisco IOS, this falls under the BGP decision process in selecting a
route.  So in an indirect way, this is already implemented.  To be more
exact in terms of the RFC, I suppose a match clause could be implemented
based on path length, but this can be done already with a regular
expression.  Either way, the capability is there. 

-Chris