- Written by Roger Levesque
- Posted on June 20, 2022
- Updated on June 21, 2022
- 6828 Views
For a wide range of features such as MPLS, MPLS-over-GRE, nexthop-groups, VPN, EVPN, BGP-LU, etc, the kernel injects CPU-generated packets into the hardware pipeline as a result of fwd*/txfwd kernel interfaces being used as next-hop devices on kernel routes.