[c-nsp] bgp maximum-paths

[Chris Gotstein]

Does this seem like a valid way to load balance?

http://ccnalab.net/bgp-routing/bgp-load-sharing-2-isp/

---- ---- ---- ----
Chris Gotstein, Sr Network Engineer, UP Logon/Computer Connection UP
http://uplogon.com | +1 906 774 4847 | chris at uplogon.com

On 4/14/2010 4:23 PM, MrPaul wrote:
> On Wed, Apr 14, 2010 at 3:03 PM, Chris Gotstein <chris at uplogon.com
> <mailto:chris at uplogon.com>> wrote:
> 
>     We are a multi-homed ISP with connections to 2 different providers (AS
>     Numbers)  Does the bgp maximum-paths 2 command have any effect on load
>     balancing between the 2 connections since they are different AS's or
>     does that command only work when you have multiple paths to the same AS?
> 
> 
> Taken from
> http://www.cisco.com/en/US/tech/tk365/technologies_configuration_example09186a00800945bf.shtml
> 
> 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.