Overview

Zyxel GS1920-48v2 Smart L2-Managed Gigabit Switch 48 Port, 4 Port Combo SFP/RJ45

รองรับการ Managed แบบ Standalone/NabulaFlex, VLAN, DHCP Snooping

Standard Compliance

IEEE 802.3u 100BASE-TX Ethernet*
IEEE 802.3ab 1000BASE-T Ethernet*
IEEE 802.3z 1000BASE-X*
IEEE 802.3af PoE*
IEEE 802.3at PoE Plus*
IEEE 802.3az EEE*
IEEE 802.3x flow control
IEEE 802.1AB LLDP/LLDP-MED
IEEE 802.3ad LACP aggregation*
IEEE 802.1D Spanning Tree Protocol (STP)*
IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)*
IEEE 802.1s Multiple Spanning Tree Protocol (MSTP)
IEEE 802.1Q VLAN tagging*
IEEE 802.1p Class of Service (CoS) prioritization*
IEEE 802.1X port authentication*

Resilience and Availability

IEEE 802.1D Spanning Tree Protocol (STP)*
IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)*
IEEE 802.1s Multiple Spanning Tree Protocol (MSTP)
IEEE 802.3ad LACP (Max # Trunks/Links per Trunk): 8/8*
Loop guard*
ErrDisable recovery
MRSTP (Zyxel proprietary)
Dual configuration files
Dual images*

Traffic Control

802.1Q Static VLANs*/Dynamic VLANs: 1 K/4 K
Port-based VLAN*
Protocol-based VLAN
IP Subnet-based VLAN
MAC-based VLAN
Private VLAN
Voice VLAN*
VLAN ingress filtering
LACP algorithm of source/destination MAC/IP
GVRP
L2PT

Security

802.1X*
Port security*
Layer 2 MAC filtering
Layer 3 IP filtering
Layer 4 TCP/UDP socket filtering
Static MAC forwarding
Multiple RADIUS servers*
Multiple TACACS+ servers
802.1x VLAN and 802.1p assignment by RADIUS*
Login authentication by RADIUS*
Login authentication by TACACS+
TACACS+ accounting
Authorization on RADIUS*
Authorization on TACACS+
SSL*
MAC freeze
DHCP snooping IPv4*
DHCP snooping IPv6
ARP inspection
Static IP-MAC-Port binding
Policy-based security filtering
Port isolation
IP source guard
MAC search
Guest VLAN*
ACL packet filtering (IPv4/IPv6)*
CPU protection
Interface related trap enable/disable (by port)
IPv6 Duplicated Address Detection (DAD)*

Quality of Service (QoS)

No. of hardware queues per port: 8*
802.1p queuing methods: SPQ, WRR, WFQ*
Storm control: broadcast, multicast, unknown unicast (DLF)*
Port-based rate limiting (ingress/egress)
Rate limiting per IP/TCP/UDP per port
Policy-based rate limiting
802.3x flow control
802.1p Class of Service (SPQ, WFQ, SPQ/WFQ combination capable)
DiffServ (DSCP)

Layer 2 Multicast

L2 multicast
IGMP snooping (v1, v2, v3)*
IGMP snooping fast Leave
Configurable IGMP snooping timer and priority
IGMP snooping statistics
IGMP throttling
MVR support
IGMP filtering
IGMP snooping immediate leave
IGMP proxy mode & snooping mode selection
MLD snooping

Manageability

SNMP v1, v2c, v3
SNMP trap group
RMON (1, 2, 3, 9)
ICMP echo/echo reply
Syslog*
IEEE 802.1AB LLDP
IEEE 802.1AB LLDP-MED
Custom default
Syslog (IPv4/IPv6)
Display port utilization*
Support NebulaFlex™ for hybrid mode

IPv6 Management

IPv6 over Ethernet (RFC 2464)
IPv6 addressing architecture
(RFC 4291)
Dual stack (RFC 4213)
ICMPv6 (RFC 4443)
Path MTU (RFC 1981)
Minimum path MTU size of 1280
(RFC 5095)
Encapsulation for maximum MTU of 1500
Neighbor discovery (RFC 4861)
DHCPv6 relay
Default DHCP client mode*
DAD (Duplicated Address Detection)*

Device Management

Standalone management by Web interface
Cloud management by Nebula Control Center*
Zyxel iStacking™
Web interface
Management through SNMP
Remote firmware upgrade by Web
Configuration saving and retrieving
Configure clone
DHCP relay per VLAN
DHCP client IPv4*
DHCP client IPv6
Daylight saving*
NTP Server (IPv4/IPv6) –
Support DNS format*
Port mirroring*
Scheduled PoE*
PoE default consumption mode*
Restore to last custom default

MIB

Zyxel private common MIB
RFC 1066 TCP/IP-based MIB
RFC 1213, 1157 SNMPv2c/v3 MIB
RFC 1493 bridge MIB
RFC 1643 Ethernet MIB
RFC 1757 RMON Group 1, 2, 3, 9
RFC 2011, 2012, 2013 SNMPv2 MIB
RFC 2233 SMIv2 MIB
RFC 2358 Ethernet-like MIB
RFC 2674 bridge MIB extension
RFC 2819, 2925 remote management MIB
RFC 3621 power Ethernet MIB
RFC 4022 management information base for transmission control protocol
RFC 4113 management information base for userdatagram protocol
RFC 4292 IP forwarding table MIB
RFC 4293 Management Information Base (MIB) for IP

Certifications

Safety
LVD
BSMI
EMC
FCC Part 15 (Class A)
CE EMC (Class A)
BSMI ENC
RoHS
Level A

Zyxel One Network

ZON Utility*
Discovery of Zyxel switches, APs and gateways
Centralized and batch configurations:
IP configuration
IP renew
Device factory reset
Device reboot
Device locating
Web GUI access
Password configuration
One-click quick association with Zyxel AP Configurator (ZAC)
Automatic detection of the latest firmware
Displays device serial number and hardware version
Cloud mode on/off option for Hybrid series devices

Smart Connect

Discover neighboring devices
One-click remote management access to the neighboring Zyxel devices
Reset neighboring devices remotely to factory defaults
Power cycle neighboring powered devices (PoE switches only)