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Bonding/LACP
Bridging
Dataplane vector API
DHCP client
Forwarding abstraction layer
Firewall
Loopback interface
MPLS
NAT: NAT44 (SNAT and DNAT), NAT46, NAT64, NPTv6
ALGs: ftp, rpc, sip, tftp
Carrier Grade NAT (CGNAT)
Policy based routing (PBR)
PPPoE
Quality of Service (QoS): Shaping, marking, policing
Packet capture
Reverse path forwarding
SPAN/RSPAN/ERSPAN
STP/RSTP
Tunnelling: GRE (L2 bridging), IPIP (IPIP, IPIP6, IP6IP, SIT), L2TPv3, VXLAN/VTEP
Unnumbered interface
VPN: IPsec (interface based/vtiroute-based VPN (VTI), IPsec ( policy-based)
VRRPv2/v3
VLAN
802.1q, QinQ
VRF and virtual feature point interfaces