Sunday, July 20, 2008

BGP MED: Deterministic vs. Always-compare. - A Networker Blog

The BGP MED - Deterministic vs Always-compare. tin tin !!! « A Networker Blog
When BGP receives multiple routes to a particular destination, it lists them in the reverse order that they were received, from the newest to the oldest. BGP then compares the routes in pairs, starting with the newest entry and moving toward the oldest entry (starting at top of the list and moving down).

Example 1: Both Commands Disabled
Example 2: bgp deterministic-med Disabled, bgp always-compare-med Enabled
Example 3: bgp deterministic-med Enabled, bgp always-compare-med Disabled
Example 4: Both Commands Enabled

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