Hi, I am using the frr and vpp integration using the router plugin (vppsb). The routing is working as expected. I wanted to understand how the vpp is forwarding only the control plane (routing protocol messages) to FRR and the data plane messages is forwarded by vpp.
I do understand that the data plane messages are forwarded by looking up the FIB entries, but i am not able to understand how only control plane messages are sent to FRR using the tap interface, how are those packets classified. Please briefly explain how it is working. Regards, Manju
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