Mô tả tổng quan Huawei Switches Series S2750-28TP-EI-AC
Huawei S2750-28TP-EI-AC switch provides 24 × 10/100BASE-TX ports, 2 Gig SFP and 2 dual-purpose 10/100/1000 or SFP. S2750-EI are the sub-series switches of S2700-EI.
Thông số kỹ thuật Huawei Switches Series S2750-28TP-EI-AC
S2750-28TP-EI-AC Specification
Downlink ports
24 × 10/100Base-TX Ethernet ports
Uplink ports
2 Gig SFP and 2 dual-purpose 10/100/1000 or SFP
MAC address
16K MAC address entries
Manual deletion of dynamic MAC address entries
Aging time of MAC address configurable
MAC address learning control which based on ports
Blackhole MAC address entries
VLAN feature
4K VLANs, complying with IEEE 802.1Q
Port-based VLAN assignment
MAC address-based assignment
Port-based QinQ
QoS
Port-based rate limiting and flow-based rate limiting
8 queues of different priorities on each port
Mapping between 802.1p priorities and queues
SP, WRR, and SP+WRR algorithms
packet-based priority remark and packet redirection
STP (IEEE 802.1d), RSTP (IEEE 802.1w), MSTP (IEEE 802.1s), and RRPP topology and RRPP multi-instance
SEP and ERPS (G.8032)
Smart Link tree topology and Smart Link multi-instance, implementing millisecond-level protective switchover
Traffic sampling
sFlow
Security & access features
802.1x authentication and limit on the number of users on an interface
Storm suppression
IP Source Guard
Multiple authentication methods including AAA authentication, RADIUS authentication, and TACACS+ authentication
802.1x authentication, MAC address authentication, MAC bypass authentication
DHCP snooping
Port isolation and sticky MAC
Packet filtering based on MAC addresses
Suppression of multicast, broadcast, and unknown unicast packets
Limit on the number of learned MAC addresses
CPU defense
S2750-EI/S2751-EI:DHCP relay
Surge protection
Surge protection capability of service ports: 6 kV