IPBH Network
An example of a collapsed IPBH network
Layer 1
Physical layer architecture
Layer 2
Datalink layer architecture
Layer 3
Network layer architecture
IPBH Underlay
OSPF has been chosen as an EVPN underlay protocol as opposed to Full Mesh BGP unnumbered to minim...
IPBH EVPN Overlay
The Core overlay is built up on VXLAN EVPN allowing for granular network segmentation (L2/L3 VPN)...
EVPN – Local VRF
As mentioned earlier, EVPN was adopted to allow network segmentation at Datalink and Network laye...
EVPN – Management VRF
Management VRF is a Layer 3 VRF built on top of the existing “Local” L2 VRF used as transport Fr...
EVPN – Public VRF
Public VRF is built to provide connectivity with public peers (IP Transit) and the Outside Firewa...
EVPN – Private VRF
Like the Public, Private VRF has been built to accommodate for peering in the Private address spa...
BGP – Public VRF
Public VRF is represented by various logical zones. At the centre we have a Core AS PUBLIC which ...
BGP – Private VRF
Private VRF is represented by two Core ASNs 65101 (DC01) and 65111(DC11) and has peering with AWS...
Layer 4 - 7
Transport - Application layer architecture