VPRN Data Plane Activities

vprn-data-plane-operation-k

VPRN Data Plane

VPRN Data Plane is the place that the traffic is sent and received generally. As we mentioned before, CE devices are the devices that are not MPLS capable.They do not know labels. So, they send the data to the PE device as unlabeled.


To Test Yourself on Nokia Services, You Can Also Check Nokia Services Quiz Page


vprn-data-plane-operation

PE router get this packet and add a pre-determined VPN (Inner) Label to each packet. This PE router has learned this VPN Label via MP-BGP before. PE router also add a Transport (Outher) Label to the packet. This is learned via LDP. This processes are “Push Process” of MPLS Labelling.

vprn-data-plane-labelling


Here, there is a Label Stack and this label stack consist of Transport (Outher) and VPN (Inner) Labels. This is the beginning point of the Layer 3 VPN (VPRN) Service path, LSP.

P routers exchange only the Outher Label of the packet between them. This is “Swap Process” of MPLS Labelling. They exchange the packets according to the packet destination., the destination PE.

l3-vpn-data-plane


To Test Yourself on Nokia Services, You Can Also Check Nokia Services Quiz Page


Lesson tags: vpn services, vprn, l3 vpn
Back to: Nokia Service Architecture > Nokia VPRN (L3 VPN Service)

Leave a Reply

Your email address will not be published. Required fields are marked *

Contact

  • info@ipcisco.com
IPCisco is the Winner! “Best Certification Study Journey of 2019!”

Cisco-ITBlogAwards-2019-Winner-IPCisco-k