Configuring BGP Policies - Step 7: Smallest Multi-Exit Discriminator - Configuring MED: Multiple Adjacent Autonomous Systems

3 important questions on Configuring BGP Policies - Step 7: Smallest Multi-Exit Discriminator - Configuring MED: Multiple Adjacent Autonomous Systems

When does a Cisco router ignore the BGP MED?

Cisco router ignores MED when the multiple routes to a single NLRI list different neighboring ASNs.
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What does the command bgp Always-compare-med and why should it be configured on all routers within an ASN? 2

-Cisco router consider the MED in all cases (so from different ASN's).

-Routing loops occur (All routers in same AS should use this command)
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What does the command bgp deterministic and what is it recommended? 3

-Removes possibility of BGP picking a different route based on the order of the routing table
-BGP processes the router per adjacent AS, picking the best from each neighboring AS and the comparing those routes
-Recommended is to turn it on by default
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