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Backhaul Underlay

Topology

Backhaul-Underlay.png

Notes
  • Backhaul underlay is built up on one OSPF Area 0 extended across the DCs. MP-BGP, in this case, is not used as there is no requirements for a dynamic frames switching in the overlay
  • Flow control is achieved via OSPF priorities
  • Convergency is provided by BFD
  • Security - by authentication and IP ACLs
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