GS-2124C

Gigabit Switch

BenefitsBenefits

2 dual media ports for flexible fiber connection

Port 23, 24 dual media ports are provided for flexible fiber connection. You can

select to install optional SFP transceiver modules in these cages for short,

medium or long distance fiber backbone attachment. Use of the SFP will disable

their corresponding built-in 10/100/1000Base-T connections.

QoS supports layer 4 classification

lso The switch supports not only Layer 2 802.1p Priority Queue control, but a

supports programmable higher layer classification and prioritization to enable

enhanced Quality of Service (QoS) support for real time applications based on

information taken from Layer 2 to Layer 4, such as VoIP.

Port Mirroring helps supervisor monitoring network

Port mirroring copies traffic from a specific port to a target port. This

mechanism helps track network errors or abnormal packet transmission

without interrupting the flow of data.

Q-in-Q VLAN for performance & security

The VLAN feature in the switch offers the benefits of both security and

performance. VLAN is used to isolate traffic between different users and

thus provides better security. Limiting the broadcast traffic to within the same

VLAN broadcast domain also enhances performance. Q-in-Q, the use of double

VLAN tags is an efficient method for enabling Subscriber Aggregation. This is

very useful in the MAN.

802.3ad Port Trunk for bandwidth aggregation

The Gigabit ports can be combined together to create a multi-link load-sharing

trunk. Up to 12 Gigabit ports can be set up per trunk for bandwidth up to

24Gbps, all traffic is aggregated based on MAC addresses, thus balancing

the traffic load. The switch supports up to 8 trunking groups. Port trunks are

useful for switch-to-switch cascading, providing very high full-duplex speeds.

802.1x Access Control improves network security

802.1x features enable user authentication for each network access attempt.

Port security features allow you to limit the number of MAC addresses per port

in order to control the number of stations for each port. Static MAC addresses

can be defined for each port to ensure only registered machines are allowed to

access. By enabling both of these features, you can establish an access

mechanism based on user and machine identities, as well as control the number

of access stations.

802.1D compatible & 802.1w rapid spanning tree

For mission critical environments with multiple switches supporting STP, you can

configure the switches with a redundant backup bridge path, so transmission

and reception of packets can be guaranteed in event of any switch failed on

the network.

Broadcast/Multicast Storm control

To limit too many broadcast/multicast flooding in the network, broadcast/

multicast storm control is used to traffic. Threshold values are restrict excess

available to control the rate limit for each port. Packets are discarded if the

count exceeds the configured upper threshold.

L2 Managed Switch

Gigabit Switch

GS-2124C: 24-Port GbE L2 Managed Switch with 2 SFP Dual Media

Key FeaturesKey Features

Standard Compliance

---IEEE 802.3x flow control capability

---IEEE 802.1q VLAN

---IEEE 802.1p QoS

RoHS Compliance

Performance

Switching Capacity:

---24 Gigabit Ethernet ports with non-

blocking wire speed performance

---8 K MAC addresses

---400KB on-chip frame buffer

---Supports Jumbo frame, up to 9K

---Broadcast/Multicast Storm

Suppression

---Port Mirroring

VLAN

---Port-base VLAN

---IEEE802.1q tag-base VLAN, up to

256 active VLANs

---Q-in-Q is an efficient method for

enabling Subscriber Aggregation

VSM(Virtual Stacking Management)

---Up to 16 switches can be managed

via Single IP

----Virtual stacking, no extra stacking

hardware is required

----Distributed stacking, no physical

central wiring closet is needed

QoS

---Supports Layer 4 TCP/UDP port and

ToS classification

---Supports 802.1p QoS with two level

priority queue

---Supports priority in a Q-in-Q tag

Bandwidth Control

---Supports bandwidth rating per port

ingress and egress rate limit 1000

Mbps with 1Mbps increment

Protocol

LACP

---Port trunking with 8 trunking groups

---up to 12 ports for each group

GVRP/GARP

---802.1q with GVRP/ GARP

Multicasting

---Supports IGMP snooping including

active and passive mode

RUB

TECHTECH

Networking & Communications

1 2

Gigabit Switch 1

Resumo do Conteúdo

Página 1 - Gigabit Switch

GS-2124CGigabit SwitchBenefitsBenefits2 dual media ports for flexible fiber connection Port 23, 24 dual media ports are provided for flexibl

Página 2

Gigabit Switch STP/RSTP ---802.1d/1w/1s STPNetwork Security ---802.1x access control ---Management Access Policy Control (ACL)SNMPv

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Table des matières

TMD-53 / TMD-53W

June 2010, Rev.1

Thermocouple Thermometer K/J

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