Huawei 24 Ethernet 10/100 ports,2 Gig SFP and 2 dual-purpose 10/100/1000 (S2750-28TP-EI-AC)

S2750-28TP-EI-AC Specification

4K VLANs, complying with IEEE 802.1Q
Port-based VLAN assignment

MAC address-based assignment
Port-based QinQ

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

IPv6 protocol
Static IPv6 routes
Supports MLD v1/v2 snooping.

MVLAN
Controllable multicast
IGMP v1/v2/v3 snooping
Port-based rate limiting for multicast packets

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

sFlow

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 capability of service ports: 6 kV

Stack
Easy Operation
CLI-based configuration
Remote configuration using Telnet
SNMP V1/V2/V3
Remote network monitoring
SSHv2
Web-based device management

Long-term operating temperature: –5°C to + 50°C
Relative humidity: 10% to 90% (non-condensing)

AC:
Rated voltage range: 100 V to 240 V AC, 50/60 Hz
Maximum voltage: 90 to 264 V AC, 50/60 Hz