Technical characteristics of the product:

These parameters can be because they are better, but not worse:
24 ports 10/100/1000Base-T,
4 ports 1000Base-X SFP,
1 port RJ-45,
42 Mpps,
56 Gbps,
8K MAC address table
8 ports in aggregation in one group

These parameters do not change:
-Copper ports: Support half duplex, full duplex, auto-negotiation of ports.
-Support port mirroring and traffic flow mirroring
-Authentication of the source address SAVE
-Ddos attack prevention Support
-Support for preventing attacks from ARP, unknown multicast packet, broadcast packet, unknown unicast packet, packets with TTL value = 1
-Support for broadcast suppression;
-Support for preventing attacks on the CPU;
-Support stacking technology
-Support for debugging information output;
-Support for cluster management;
-Support for recording system logs
-LLDP, STP / RSTP / MSTP, IEEE 802.3ad,
-VLAN: (802.1Q, 4K VLAN, IP, mac, guest VLAN),
-DHCP: (DHCP Relay, DHCP Client, DHCP Snooping, DHCP Snooping Option 82)
-IGMP V1/V2/V3 Snooping,
-QoS: ( Diff-Serv QoS, WRR / HQ-WRR, 802.1p DSCP, Directional port speed limit),
-IPv6: (DHCPv6 Client, DHCPv6 Snooping, ND, PMTU, Ping, Telnet, SSHv2, DNS),
-dual-stack, , SSHv2, SSL, FTP IP, preventing,
-Binding IP+MAC+PORT+VLAN, IEEE 802.1X Radius, HWTACACS,
-9 devices per stack,
-Support configuration via the CLI
- NTFTP / TFTP / Xmodem / SFTP,
-support SNMP V1/V2/V3, NTP
-License requirement: All functionality on the switch must be available all at once without the need to purchase additional licenses or subscriptions