SMC Networks SMC8126L2 manual Switch Architecture, Network Management Options

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1 Introduction

Switch Architecture

The SMC8126L2 employs a wire-speed, non-blocking switching fabric. This permits simultaneous wire-speed transport of multiple packets at low latency on all ports. It also features full-duplex capability on all ports, which effectively doubles the bandwidth of each connection.

This switch uses store-and-forward switching to ensure maximum data integrity. With store-and-forward switching, the entire packet must be received into a buffer and checked for validity before being forwarded. This prevents errors from being propagated throughout the network.

Network Management Options

The SMC8126L2 contains a comprehensive array of LEDs for “at-a-glance” monitoring of network and port status. It also includes a management agent that allows you to configure or monitor the switch using its embedded management software, or via SNMP applications. To manage this switch, you can make a direct connection to the console port (out-of-band), or you can manage the switch through

anetwork connection (in-band) using Telnet, the on-board web agent, or SNMP-based network management software.

For a detailed description of this switch’s advanced features, refer to the Management Guide.

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Contents Installation Guide Page TigerSwitch 10/100/1000 Installation Guide Page Compliances and Safety Warnings N11846 Safety Compliance Power Cord Set France et Pérou uniquement Sein und die Aufschrift HAR oder Basec tragen Documentation End of Product Life SpanManufacturing Materials Viii Contents Appendix a Troubleshooting Appendix C SpecificationsMaking Network Connections Appendix B CablesAppendix D Ordering Information Glossary Index Xii Tables Figures Introduction OverviewSwitch Architecture Network Management OptionsDescription of Hardware 10/100/1000BASE-T PortsSFP Slots Port and System Status LEDsLED Features and Benefits Power Supply SocketConnectivity ExpandabilityManagement Introduction to Switching Network PlanningApplication Examples Collapsed BackboneNetwork Aggregation Plan Network Aggregation PlanRemote Connections with Fiber Cable Remote Connections with Fiber CableMaking Vlan Connections Making Vlan ConnectionsApplication Notes Ethernet Cabling Installing the SwitchSelecting a Site Optional Rack-Mounting Equipment Equipment ChecklistPackage Contents Mounting Rack MountingInstalling the Switch in a Rack Desktop or Shelf MountingInstalling an Optional SFP Transceiver Inserting an SFP Transceiver into a SlotConnecting to a Power Source Connecting to the Console PortWiring Map for Serial Cable Serial Cable Wiring Switch’s 8-Pin Null Modem PC’s 9-PinInstalling the Switch Connecting Network Devices Making Network ConnectionsTwisted-Pair Devices Cabling GuidelinesConnecting to PCs, Servers, Hubs and Switches Network Wiring ConnectionsNetwork Wiring Connections Fiber Optic SFP DevicesConnectivity Rules Making Connections to SFP TransceiversMbps Fast Ethernet Collision Domain 1000BASE-T Cable RequirementsMbps Gigabit Ethernet Collision Domain Cable Labeling and Connection Records Mbps Ethernet Collision DomainAppendix a Troubleshooting Diagnosing Switch IndicatorsPower and Cooling Problems InstallationIn-Band Access 10BASE-T/100BASE-TX Pin Assignments Appendix B CablesTwisted-Pair Cable and Pin Assignments Straight-Through Wiring Crossover Wiring1000BASE-T Pin Assignments Twisted-Pair Cable and Pin Assignments BFiber Standards Cable Testing for Existing Category 5 CableAdjusting Existing Category 5 Cabling to Run 1000BASE-T Appendix C Specifications Physical CharacteristicsStandards Switch FeaturesManagement Features Compliances CE MarkSpecifications Appendix D Ordering Information Ordering Information Glossary End Station EthernetFast Ethernet Full DuplexMedia Access Control MAC Redundant Power Supply RPSRJ-45 Connector Switched PortsTransmission Control Protocol/Internet Protocol TCP/IP Virtual LAN VlanIndex NumericsIndex Page Technical Support

SMC8126L2 specifications

The SMC8126L2 is a robust Layer 2 managed switch developed by SMC Networks, designed to meet the demands of modern networking environments. This switch is part of the SMC's lineup of network solutions, emphasizing reliability, efficiency, and advanced functionalities suitable for both small and medium-sized enterprises.

One of the standout features of the SMC8126L2 is its support for 26 ports, which allow multiple devices to connect seamlessly. This includes 24 Fast Ethernet ports (10/100 Mbps) and 2 gigabit uplink ports. This configuration enables flexible network designs and enhances the bandwidth availability for devices that require faster data transmission.

The SMC8126L2 is equipped with various Layer 2 switching capabilities, including port-based Virtual LAN (VLAN) support, allowing businesses to segment their networks for better security and performance. This capability ensures that sensitive data remains isolated and reduces broadcast traffic across the entire network. The switch also supports 802.1Q tagging for VLAN configuration, facilitating the management of multiple VLANs simultaneously.

Quality of Service (QoS) is another significant aspect of the SMC8126L2. It employs intelligent traffic management features, prioritizing critical applications such as VoIP and video conferencing. This ensures that time-sensitive data packets are transmitted efficiently, minimizing latency and improving overall user experience. The switch supports multiple QoS mechanisms, such as 802.1p priority tagging and port-based scheduling, thus accommodating varied networking needs.

Security features are paramount in the SMC8126L2, with network access control through Port Security and MAC address filtering. This prevents unauthorized access and enhances the security posture of the network. Additionally, the switch supports IGMP Snooping, which conserves bandwidth by ensuring that multicast traffic is only sent to ports that require it.

Another remarkable aspect of the SMC8126L2 is its management capabilities. The switch can be managed through various methods, including web-based interfaces, command-line interfaces (CLI), and SNMP (Simple Network Management Protocol). This flexibility allows network administrators to monitor performance, configure settings, and troubleshoot issues effectively.

In summary, the SMC8126L2 brings a suite of advanced features and technologies that cater to the evolving requirements of networking. With its extensive port options, VLAN support, QoS capabilities, robust security measures, and versatile management interfaces, the SMC8126L2 stands out as a reliable choice for organizations looking to enhance their networking infrastructure. Its performance and reliability make it well-suited for addressing the challenges of modern network environments while ensuring efficient data flow and security.
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