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The GS-2124 is an L2/L4 managed Gigabit switch that supports SNMP, Web UI and CLI management interface. It is equipped with 24 Gigabit TP ports  with non-blocking wire speed performance at full duplex load - 48 Gigabits total and 2 of which are dual media ports that accommodate optional 10/100/1000Base-T or SFP modules. In addition, the switch implements the  Port-base VLAN, IEEE802.1q tag-base VLAN with up to 256 active VLANs, 802.1D & 802.1w STP and RSTP, VSM (Virtual Stacking Management), IGMP snooping, QoS (Quality of Service), Mac Filtering Policy, Port Mirroring, L4 and full L2 protocol.  It is suitable for workgroups or WAN edge application.

Key Features

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
The switch supports not only Layer 2 802.1p Priority Queue control, but also 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 restrict excess traffic. Threshold values are available to control the rate limit for each port. Packets are discarded if the count exceeds the configured upper threshold.

Standard Compliance

• IEEE 802.3x flow control capability
• IEEE 802.1q VLAN
• IEEE 802.1p QoS

Performance

Switching Capacity:

• 24 Gigabit Ethernet ports with non-blocking wire speed performance at full duplex load - 48 Gigabits total
• 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
• 802.1q with GVRP/ GARP
• Supports IGMP snooping including active and passive mode

STP/RSTP

• 802.1d/1w/1s STP
• Network Security
• 802.1x access control
• Management Access Policy Control(ACL)

SNMPv1,v2c Network Management

• RFC 1213 MIB (MIB-II)
• Interface MIB
• Address Translation MIB
• IP MIB
• ICMP MIB
• TCP MIB
• UDP MIB
• SNMP MIB
• RFC 1757 RMON MIB
• Statistics Group 1
• History Group 2
• Alarm Group 3
• Event Group 9
• RFC 1493 Bridge MIB
• RFC 1643 Ethernet MIB
• Enterprise MIB

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