[c-nsp] bgp maximum-paths

Hank Nussbacher hank at efes.iucc.ac.il
Thu Apr 15 01:58:05 EDT 2010


At 16:23 14/04/2010 -0500, MrPaul wrote:

>By default, BGP chooses one best path among the possible equal-cost paths
>that are learned from one AS. However, you can change the maximum number of
>parallel equal-cost paths that are allowed. In order to make this change,
>include the maximum-paths paths  command under the BGP configuration. Use a
>number between 1 and 6 for the paths  argument.
>
>That feature is only of use if you are dual-homed to the same AS.

Not totally correct.  This feature is only of use if you are dual homed 
from a *single router* to the same AS.  If you have 2 totally separate 
routers in totally different places connected to the same AS (again in 2 
different places), then bgp max-paths will have no affect.

-Hank



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