24 Ethernet 10/100/1,000 ports, 4 of which are dual-purpose 10/100/1,000 or SFP

P series: 4 Gig SFP

X series: 4 x 10 Gig SFP+

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)

STP (IEEE 802.1d), RSTP (IEEE 802.1w), and MSTP (IEEE 802.1s)

BPDU protection, root protection, and loop protection

PIM-DM, PIM-SM, and PIM-SSM

IGMP v1/v2/v3 snooping and IGMP fast leave

Multicast forwarding in a VLAN and multicast replication between VLANs

Multicast load balancing among member ports of a trunk

Controllable multicast

Port-based multicast traffic statistics

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

MAC Forced Forwarding (MFF)

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, HWTACACS+ authentication, and NAC

SSH v2.0

Hypertext Transfer Protocol Secure (HTTPS)

CPU defense

Blacklist and whitelist

802.1x authentication, MAC address authentication, and combined authentication on a per port basis

Portal authentication on a per VLANIF interface basis

MACSec (hardware ready)

Working as an SVF client that is plug-and-play with zero configuration

Automatically loading the system software package and client patches

One-click and automatic delivery of service configurations

Supports independent running client

iStack

Virtual cable test

SNMP v1/v2c/v3

RMON

Web-based NMS

System logs and alarms of different levels

sFlow

VLAN-based Spanning Tree (VBST) (interoperating with PVST, PVST+, and RPVST)

Link-type Negotiation Protocol (LNP) (similar to DTP)

VLAN Central Management Protocol (VCMP) (similar to VTP)