Layer 2:
* LLDP
Link aggregation:
* LAG 802.3ad with LACP
* LACP Fallback
* MC-LAG
VLAN:
* IEEE 802.1Q
* Port-based
* Vlan Trunk

Layer 3:
* FRR as default routing stack
* BGP
** BGP Graceful restart helper
** BGP MP
** FRR BGP NBI
** BGP/Neighbor-down fib-accelerate
** IPv6 Link Local and BGP Unnumbered
* ECMP
** Consistent ECMP (fine grain ECMP)
* Proxy ARP
* Mgmt VRF
* VRF
* L3 RIF counter support
* SONiC for MPLS Dataplane

QoS:
* QoS – ECN
* QoS – RDMA
* WRED
* COS

Management:
* Standard Linux shell tools
* Linux application integration
* Industry standard CLI
* CLI filtering
* Telnet/SSH
* SNMP
* Warm Reboot
* Incremental Config (IP, LAG, Port shut/unshut)
* CoPP Config/Management
* Streaming telemetry
* sFlow
* Syslog
* Sysdump
* NTP
* DHCP Relay Agent
* Fast Reload
* Critical Resource Monitoring
* MAC Aging
* gRPC
* Sensor transceiver monitoring
* Routing Stack Graceful Restart
* Port breakout
* Port Mirroring
* Everflow V2 – IPV4/IPv6 Portion 2.0
* Sub-port support
* Configurable drop counters
* HW resource monitor
* NAT
* LLDP extended MIB
* SONiC to SONiC upgrade
* One Image
* MAC Aging
* MTU Setting

Security:
* ACL permit/deny
* IPv6 ACL
* MAC ACL
* Dynamic ACL Upgrade
* TACACS+
* RADIUS AAA
* Egress mirroring and ACL action support
* Egress shaping (port, queue)

Data Center:
* Priority Flow Control
** PFC WD
** Asymmetric PFC
** PFC Watermark
* Tunnel Decap
* L3 VXLAN
* BGP-EVPN support(type 5)
* EVPN/VXLAN
* Dynamic headroom calculation (RoCEv2)
* Dynamic policy based hashing for NVGRE/VxLAN packets
* PINS (P4 Integrated Network Stack)