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bgp always-compare-med

Kashish_Patel
Level 2
Level 2

‎02-06-2014 11:41 PM - edited ‎03-07-2019 06:04 PM

Cisco recommends not to enable bgp always-compare-med command as it can cause routing loops (http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080094431.shtml). I fail to understand how it can cause routing loops? Can any expert help here?

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Kashish_Patel
Level 2
Level 2

‎02-10-2014 03:41 PM

Could an expert answer my question here?

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sathvik k v
Level 3
Level 3
In response to Kashish_Patel

‎02-10-2014 08:01 PM

Hi Kashish,

Bgp deteministic-med is used for comparison of metric in same AS and bgp always-compare-med is used for comparing metric from different AS. IBGP routing loops may occurr if not enabled on all routers.

http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080094925.shtml

Regards,

Sathvik K V

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