BGP Confederations

NEXT_HOP is preserved throughout the confederation.

MED is preserved for routes advertised into the confederation.

LOCAL_PREF is preserved throughout the confederation.

AS_PATH for privates ASes is used within the confederation.

Force Interior Confederation MEDs To Be Considered

bgp deterministic-med

Route Reflectors are generally preferred.

IF you want to add two BGP speakers to the same router reflector cluster, specify the cluster ID.

• clients can not detect inter-cluster loops. They don’t have the attributes in the BGP table.