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Item
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S6720-54C-EI-48S-AC
S6720-54C-EI-48S-DC
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S6720S-26Q-EI-24S-AC
S6720S-26Q-EI-24S-DC
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Fixed Ports
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48 × 10 GE SFP+, 2 x 40 GE QSFP+ ports
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24 x 10 GE SFP+, 2 x 40 GE QSFP+ ports
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Extended Slot
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One extended slot for 4 x 40 GE QSFP+ interface card
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Not supported
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MAC Address Table
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288K MAC address entries
MAC address learning and aging
Static, dynamic, and black hole MAC address entries
Packet filtering based on source MAC addresses
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288K MAC address entries
MAC address learning and aging
Static, dynamic, and black hole MAC address entries
Packet filtering based on source MAC addresses
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VLAN
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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
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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
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IPv4 Routing
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Static routing, RIPv1, RIPv2, ECMP, and URPF
OSPF, IS-IS, and BGP
VRRP
Policy-based routing
Routing policy
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Static routing, RIPv1, RIPv2, ECMP, and URPF
OSPF, IS-IS, and BGP
VRRP
Policy-based routing
Routing policy
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IPv6 Routing
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Static route
RIPng
OSPFv3
BGP4+
ISISv6
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Static route
RIPng
OSPFv3
BGP4+
ISISv6
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IPv6 Features
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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
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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
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Multicast
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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
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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
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QoS/ACL
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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
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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
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MPLS
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MPLS, MPLS VLL, L3VPN
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MPLS, MPLS VLL, L3VPN
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VPLS
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Martini VPLS
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Martini VPLS
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Reliability
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TP (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.8032v2)
BFD for OSPF, BFD for IS-IS, BFD for VRRP, and BFD for PIM
E-Trunk
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TP (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.8032v2)
BFD for OSPF, BFD for IS-IS, BFD for VRRP, and BFD for PIM
E-Trunk
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Security
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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
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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
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Super Virtual Fabric (SVF)
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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
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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
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VXLAN
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Supports the VxLAN function, supports VxLAN L2 and L3 gateways
Configured through the NETCONF protocol
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Supports the VxLAN function, supports VxLAN L2 and L3 gateways
Configured through the NETCONF protocol
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Management and Maintenance
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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
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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
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Operating Environment
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Operating temperature: 0m to 1,800m: 0°C to 45°C; 1,800m to 5,000m: 1°C decrease for every 220m increase in altitude
Relative humidity: 5% to 95% (non-condensing)
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Operating temperature: 0m to 1,800m: 0°C to 45°C; 1,800m to 5,000m: 1°C decrease for every 220m increase in altitude
Relative humidity: 5% to 95% (non-condensing)
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Input Voltage
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AC:
Rated voltage range: 100V to 240V, 50 Hz/60 Hz
Maximum voltage range: 90V to 264V, 50 Hz/60 Hz
DC:
Rated voltage range: –48V to –60V
Maximum voltage range: –36V to –72V
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AC:
Rated voltage range: 100V to 240V, 50 Hz/60 Hz
Maximum voltage range: 90V to 264V, 50 Hz/60 Hz
DC:
Rated voltage range: –48V to –60V
Maximum voltage range: –36V to –72V
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Dimensions (W x D x H)
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442 mm x 420 mm x 44.4 mm
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442 mm x 220 mm x 44.4 mm
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Typical Power Consumption
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AC:
without subcard: 190W
with subcard: 209W
DC:
without subcard: 185W
with subcard: 204W
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AC:
without subcard: 109W
DC:
without subcard: 101W
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