IPv4 and IPv6 static routing
RIP, RIPng, OSPF (S1720-E series)

Number of LAN ports: 24 10/100 M electrical ports
MAC address table number 8192
Power voltage: from 100 V to 240 V, 50/60 Hz
Humidity (without condensation) from 20% to 85%
Storage humidity (without condensation) from 10% to 90%

Packet filtering based on MAC addresses
MAC address authentication
RADIUS authentication
Portal authentication
Attack defense, which prevents broadcast traffic, ARP attacks, ICMP attacks, TCP attacks, viruses, and DoS attacks
DHCP snooping

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

SNMP Web Network Management (HTTPS)
DHCP Client User Password Protection:
One key recovery
CLI configuration (S1720 / S1720-E series)
Panel connection (S1720 / S1720-E series)