| Item | CloudEngine 16804 |
| Switching capacity (Tbit/s) | 43/387 |
| Forwarding rate (Mpps) | 11,280 |
| Service slots | 4 |
| Switching fabric module slots | 6 (scalable to 9 for future expansion) |
| Fabric architecture | Clos architecture, cell switching, VoQ |
| Airflow design | Strict front-to-back |
| Device virtualization | Virtual System (VS) Cluster Switch System (CSS) |
| Network virtualization | VXLAN routing and bridging EVPN QinQ access VXLAN |
| SDN | iMaster NCE-Fabric |
| DCI | BGP-EVPN VXLAN mapping, implementing interconnection between multiple DCI networks at Layer 2 |
| Network convergence | PFC and ECN RDMA and RoCE (RoCE v1 and RoCE v2) |
| Programmability | OPS programming OpenFlow Ansible-based automatic configuration and open-source module release |
| Traffic analysis | NetStream sFlow |
| VLAN | Adding access, trunk, and hybrid interfaces to VLANs Default VLAN QinQ MUX VLAN |
| MAC address | Dynamic learning and aging of MAC address entries Static, dynamic, and blackhole MAC address entries Packet filtering based on source MAC addresses MAC address limiting based on ports and VLANs |
| IP routing | IPv4 routing protocols, such as RIP, OSPF, IS-IS, and BGP IPv6 routing protocols, such as RIPng, OSPFv3, IS-ISv6, and BGP4+ IP packet fragmentation and reassembly |
| IPv6 | VXLAN over IPv6 IPv6 VXLAN over IPv4 IPv6 Neighbor Discovery (ND) Path MTU Discovery (PMTU) TCP6, IPv6 ping, IPv6 tracert, IPv6 socket, UDP6, and raw IPv6 |
| Multicast | IGMP, PIM-SM, PIM-DM, MSDP, and MBGP IGMP snooping IGMP proxy Fast leaving of multicast member interfaces Multicast traffic suppression Multicast VLAN |
| Maximum number of MAC address entries | 256K |
| Maximum number of routes (FIB IPv4/IPv6) | 256K/80K |
| ARP table size | 256K |
| Maximum number of VRFs | 8192 |
| IPv6 ND table size | 80K |
| Maximum number of multicast routes (multicast FIB IPv4/IPv6) | 32K/2K |
| Maximum number of VRRP groups | 4096 |
| Maximum number of ECMP paths | 128 |
| Maximum number of broadcast domains | 32K |
| Maximum number of BDIF interfaces | 32K |
| Maximum number of VXLAN tunnel endpoints (VTEPs) | 2K |
| Maximum number of LAGs | 1024 |
| Maximum number of links in a LAG | 128 |
| Maximum number of MSTIs | 64 |
| Maximum number of VLANs where VBST can be configured | 500 |
| Dimensions (W x D x H) | 770 mm x 1150 mm x 730 mm |
| Weight without packaging (base configuration) | 98.1 kg (193.7 lb) |
| Operating voltage | AC: 176 V to 290 V DC: –40 V to –72 V HVDC: 188 V to 288 V or 260 V to 400 V |
| Hot swappable (power modules) | Yes |
|
Redundant fans (Heat dissipation using fans)
|
Fan modules work in hot standby mode.
At the normal temperature range, the system can operate properly for a short time after a single fan module fails. You are advised to replace the faulty fan module immediately. |
| Maximum power supply (W) | 18,000 |
| MTBF | 34.93 years |
| MTTR | 1 hour |
| MTTF | 34.93 years |
| Availability | 0.999998992 |
| O&M | Telemetry ERSPAN+ iPCA |
| Programmability | Standard NETCONF interface Ansible-based automatic configuration and open-source module release |






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