| Item |
| S6720-30C-EI-24S-AC S6720-30C-EI-24S-DC |
S6720-54C-EI-48S-AC S6720-54C-EI-48S-DC |
| Fixed Port |
| 24×10GE SFP+ , 2×40GE QSFP+ ports |
48 ×10GE SFP+ , 2×40GE QSFP+ ports |
| Extended slot |
| One extended slot for 4×40GE QSFP+ interface card |
One extended slot for 4×40GE QSFP+ interface card |
| MAC address table |
288k MAC address entries
MAC address learning and aging
Static, dynamic, and black hole MAC address entries
Packet filtering based on source MAC addresses
|
| VLAN |
4K VLANs
Guest VLAN and voice VLAN
VLAN assignment based on MAC addresses, protocols, IP subnets, policies, and ports 1:1 and N:1 VLAN Mapping
QinQ and selective QinQ
|
| IPv4 routing |
Static routing, RIPv1, RIPv2, ECMP, and URPF
OSPF, IS-IS, and BGP
VRRP
Policy-based routing
Routing policy
|
| IPv6 routing |
Static route
RIPng
OSPFv3
BGP4+
ISISv6
|
| IPv6 features |
Neighbor Discovery (ND)
PMTU
IPv6 ping, IPv6 tracert, and IPv6 Telnet
6to4 tunnel, ISATAP tunnel, and manually configured tunnel
ACLs based on the source IPv6 address, destination IPv6 address, Layer 4 ports, or protocol type
MLD v1/v2 snooping
|
| multicast |
Static Layer 2 multicast MAC address
MAC-based multicast forwarding
IGMP snooping and IGMP fast leave
Multicast VLAN
MLD snooping
IGMP proxy
Controllable multicast
Port-based multicast traffic statistics
IGMP v1/v2/v3
PIM-SM, PIM-DM, and PIM-SSM
MSDP
MVPN
|
| QoS/ACL |
Rate limiting on packets sent and received by an interface
Packet redirection
Port-based traffic policing and two-rate three-color CAR
Eight queues on each port
WRR, DRR, SP, WRR+SP, and DRR+SP queue scheduling algorithms
Re-marking of the 802.1p priority and DSCP priority
Packet filtering at Layer 2 to Layer 4, filtering out invalid frames based on the source MAC address, destination MAC address, source IP address, destination IP address, port number, protocol type, and VLAN ID
Rate limiting in each queue and traffic shaping on ports
|
| MPLS |
MPLS, MPLS VLL, L3VPN
|
| VPLS |
Martini VPLS
|
| Reliability |
STP(IEEE 802.1d), RSTP(IEEE 802.1w), and MSTP(IEEE 802.1s)
BPDU protection, root protection, and loop protection
RRPP ring topology and RRPP multi-instance
Smart Link tree topology and Smart Link multi-instance, providing the millisecond-level protection switchover
SEP
ERPS(G.8032 v2) BFD for OSPF, BFD for IS-IS, BFD for VRRP, and BFD for PIM
E-Trunk
|
| Security |
User privilege management and password protection
DoS attack defense, ARP attack defense, and ICMP attack defense
Binding of the IP address, MAC address, interface, and VLAN
Port isolation, port security, and sticky MAC
Blackhole MAC address entries
Limit on the number of learned MAC addresses
802.1x authentication and limit on the number of users on an interface
AAA authentication, RADIUS authentication and TACACS authentication
SSH v2.0
Hypertext Transfer Protocol Secure (HTTPS)
CPU defense
Blacklist and whitelist
|
| Super Virtual Fabric (SVF) |
Working as the parent node to vertically virtualize downlink switches as one device for management, supports two-layer clients architecture
Support as a client node to be managed by SVF parent
|
| Management and maintenance |
iStack (using service ports as stack ports)
MAC Forced Forwarding (MFF)
Virtual cable test
Ethernet OAM (IEEE 802.3ah and 802.1ag)
Local port mirroring and remote switched port analyzer (RSPAN), allowing an observing port to forward packets
Remote configuration and maintenance using Telnet
SNMP v1/v2c/v3
RMON
Web NMS
System logs and alarms of different levels
GVRP
MUX VLAN
|
| Operating environment |
Operating temperature: 0-1800 m, 0-45℃; 1800-5000 m, decrease 1℃ when the altitude increases every 220 m
Relative humidity: 5% to 95% (non-condensing)
|
| Input voltage |
AC:
Rated voltage range: 100 V to 240 V AC, 50/60 Hz
Maximum voltage range: 90 V to 264 V AC, 50/60 Hz
DC:
Rated voltage range: –48 V to –60 V, DC
Maximum voltage range: –36 V to –72 V, DC
|
| Dimensions (W x D x H, mm) |
| 442×420×44.4 |
442×420×44.4 |
| Typical power consumption |
|
AC:
without subcard: 147W; with subcard: 166W
DC: without subcard:141W,with subcard: 160W
|
AC: without subcard:190W; with subcard:209W
DC: without subcard:185W,with subcard: 204W
|
