S2750-28TP-PWR-EI-AC Huawei Switch 24 × Ethernet 10/100 PoE+ Ports 2 Gig SFP 2 Dual Purpose 10/100/1000

S2750-28TP-PWR-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

IPv6 feature

IPv6 protocol

Static IPv6 routes

Supports MLD v1/v2 snooping.

Multicast

MVLAN

Controllable multicast

IGMP v1/v2/v3 snooping

Port-based rate limiting for multicast packets

Reliability

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

Management

Stack

Easy Operation

CLI-based configuration

Remote configuration using Telnet

SNMP V1/V2/V3

Remote network monitoring

SSHv2

Web-based device management

Operating environment

Long-term operating temperature: –5°C to + 50°C

Relative humidity: 10% to 90% (non-condensing)

Power

AC:

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

Maximum voltage: 90 to 264 V AC, 50/60 Hz

Dimensions (W x D x H)

442 × 310 × 43.6 mm

Weight

S2750-28TP-PWR-EI < 4.5 kg

Power consumption

S2750-28TP-PWR-EI < 445 W

(PoE < 370W)