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Feature

Description

Performance

Switching capacity and forwarding rate

Model Name

Capacity in Millions of Packets per second (mpps) (64-byte packets)

Switching Capacity in Gigabits per second (Gbps)

PSGS-2326K

38.69

52

Layer 2 Switching

Spanning Tree Protocol (STP)

Standard Spanning Tree 802.1d

Rapid Spanning Tree (RSTP) 802.1w

Multiple Spanning Tree (MSTP) 802.1s

Trunking

Link Aggregation Control Protocol (LACP) IEEE 802.3ad

nUp to13 groups

nUp to 16 ports per group

VLAN

Supports up to 4KVLANs simultaneously (out of 4096 VLAN IDs)

nPort-based VLAN

n802.1Q tag-based VLAN

nMAC-based VLAN

nManagement VLAN

nPrivate VLAN Edge (PVE)

Voice VLAN

Voice traffic is automatically assigned to a voice-specific VLAN and treated with appropriate levels of QoS

Generic VLAN Registration (GVRP)

Protocol for automatically propagating and configuring VLANs in a bridged domain

DHCP Relay (Layer 2)

Relay of DHCP traffic to DHCP server in different VLAN. Works with DHCP Option 82

IGMP v1/v2/v3 snooping

IGMP limits bandwidth-intensive multicast traffic to only the requesters. Supports 1024 multicast groups (source-specific multicasting is also supported)

IGMP Querier

IGMP querier is used to support a Layer 2 multicast domain of snooping switches in the absence of a multicast router

IGMP Proxy

SupportsIGMP Proxy

MLD v1/v2 snooping

DeliversIPv6 multicast packets only to the required receivers

Security

Secure Shell (SSH) Protocol

SSH secures Telnet traffic in or outofthe switch, SSH v1 and v2 are supported

Secure Sockets Layer (SSL)

SSL encrypts the http traffic, allowing advancedsecure access to the browser-based management GUI in the switch

IEEE 802.1X

IEEE802.1X: RADIUS authentication, authorization and accounting, MD5 hash, guest VLAN , single/multiple host mode and single/multiple sessions

Supports IGMP-RADIUS based 802.1X

Dynamic VLAN assignment

Layer 2 isolation Private VLAN Edge (PVE)

PVE (also knows as protected ports) provides L2 isolation between clients in the same VLAN. Supports multiple uplinks

Port Security

Locks MAC Addresses to ports, and limits the number of learned MAC addresses

IP Source Guard

Prevents datagram with spoofed addresses from being in the network

RADIUS/ TACACS+

Supports RADIUS and TACACS+ authentication. Switch as a client

Storm control

Prevents traffic on a LAN from being disrupted by a broadcast, multicast, or unicast storm on a port

ACLs

Supportsup to 256entries

Drop or rate limitation based on source and destination MAC, VLAN ID or IP address, protocol, port, differentiated services code point (DSCP) / IP precedence, TCP/ UDP source and destination ports, 802.1p priority, Ethernet type, Internet Control Message Protocol (ICMP) packets, IGMP packets, TCP flag

Quality of Service

Hardware Priority Queue

Supports8 hardware queues

Scheduling

Strict priority and weighted round-robin (WRR)

Queue assignment based on DSCP and class of service (802.1p/ CoS)

Classification

Port based; 802.1p VLAN priority based; IPv4/IPv6 precedence/ type of service (ToS) / DSCP based; Differentiated Services (DiffServ); classification and re-marking ACLs, trusted QoS

Rate Limiting

Ingress policer; egress shaping and rate control; per VLAN, per port and flow based

IPv6 applications

Web/ SSL, Telnet/ SSH, ping, Simple Network Time Protocol (SNTP), Trivial File Transfer Protocol (TFTP), SNMP, RADIUS, Syslog, DNS Client, protocol-based VLANs

Management

Web GUI interface

Built-in switch configuration utility for browser-based device configuration (HTTP/ HTTPs). Supports configuration, system dashboard, maintenance, and monitoring

Dual Image

Dual image provides independent primary and secondary OS files for backup while upgrading

SNMP

SNMP version1, 2c and 3 with support for traps, and SNMP version 3 user-based security model (USM)

Remote Monitoring (RMON)

Embedded RMON software agent supports RMON groups 1,2,3,9 (history, statistics, alarms, and events) for enhanced traffic management, monitoring and analysis

IPv4 and IPv6 dual stack

Coexistence of both protocol stacks to migration

Firmware upgrade

nWeb browser upgrade (HTTP/ HTTPs) and TFTP

nUpgrade through console port as well

nRubyView to deploy the switch firmware

Port mirroring

Traffic on a port can be mirrored to another port for analysis with a network analyzer or RMON probe. Up to N-1 (N is Switch’s Ports)ports can be mirrored to single destination port. A single session is supported.

Easy-Port-Configuration

Easily to configure of clients’ QoS and Security capabilities.

Other management

Single IP management; HTTP/HTTPs; SSH; RADIUS; DHCP Client/ DHCPv6 Client; SNTP; cable diagnostics; ping; syslog; Telnet client (SSH secure support)

s-Flow

The industry standard technology for monitoring high speed switched networks. It gives complete visibility into the use of networks enablingperformance optimization, accounting/billing for usage, and defense against security threats

UPnP

The Universal Plug and Play Forum, an industry group of companies working to enable device-to-device interoperability by promoting Universal Plug and Play

Green Ethernet

Link detection

Compliant with IEEE802.3az Energy Efficient Ethernet Task Force. Automatically turns off power on Gigabit Ethernet RJ-45 port when detecting link down or idle of client. Active mode is resumed without loss of any packets when the switch detects the link up

Cable length detection

Adjusts the signal strength based on the cable length. Reduces the power consumption for cables shorter.

General

Jumbo frames

Frame sizes up to 9KB supported on Gigabit interfaces

MAC Table

Up to 8K MAC addresses.

Discovery

Link Layer Discovery Protocol (LLDP) (IEEE802.1AB) with LLDP-MED extensions

Used by network devices for advertising their identities, capabilities, and neighbors on a IEEE 802 local area network, principally wired Ethernet.

Power over Ethernet (PoE)

IEEE 802.3at PoE

delivered over each

of the RJ-45 ports

within the listed

power budgets

Model Name

IEEE 802.3at

IEEE 802.3af

Power Dedicated to PoE

PSGS-2326K

Port 1-24

Port 1-24

185W/ 370W(Optional)

PoE Port configuration

Supports per port PoE configuration function

PoE Scheduling

Supports per port PoE scheduling to turn on/off the PoE

Interface

Ports

Total System Ports

RJ-45 Ports

UTP/SFP(100/1G)

Combo

SFP

(100/1G)

26 GbE

20 GbE

4

2

Environmental (preliminary)

Dimensions

PSGS-2326K.185 : 442(W)x 44(H) x 300(D) mm

PSGS-2326K.370 : 442(W)x 44(H) x (D) mm

Weight

PSGS-2326K.185 : 3.9Kg

PSGS-2326K.370 : 5.1Kg

Power

100-240 VAC 50~60 Hz, internal , universal

Certification

CE Mark, FCC Part 15 Class A

Operating temperature

0to 40 ℃

Storage temperature

-20℃to70 ℃

Operating humidity

10% to 90% , relative, noncondensing