SMC Networks SMC8126L2 manual Making Vlan Connections

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Application Examples 2

Making VLAN Connections

This switch support VLANs which can be used to organize any group of network nodes into separate broadcast domains. VLANs confine broadcast traffic to the originating group, and can eliminate broadcast storms in large networks. This provides a more secure and cleaner network environment.

VLANs can be based on untagged port groups, or traffic can be explicitly tagged to identify the VLAN group to which it belongs. Untagged VLANs can be used for small networks attached to a single switch. However, tagged VLANs should be used for larger networks, and all the VLANs assigned to the inter-switch links.

The switch also support multiple spanning trees which allow VLAN groups to maintain a more stable path between all VLAN members. This can reduce the overall amount of protocol traffic crossing the network, and provide a shorter reconfiguration time if any link in the spanning tree fails.

Untagged Ports

VLAN

Financeunaware switch

Marketing

Finance

VLAN 3

VLAN 4

VLAN 3

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26

Tagged Port

VLAN aware switch

R&D

Testing

VLAN 1

VLAN 2

Figure 2-4 Making VLAN Connections

Note: When connecting to a switch that does not support IEEE 802.1Q VLAN tags, use untagged ports.

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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 C Specifications Appendix a TroubleshootingMaking Network Connections Appendix B CablesAppendix D Ordering Information Glossary Index Xii Tables Figures Overview IntroductionNetwork Management Options Switch Architecture10/100/1000BASE-T Ports Description of HardwareSFP Slots Port and System Status LEDsLED Power Supply Socket Features and BenefitsConnectivity ExpandabilityManagement Network Planning Introduction to SwitchingCollapsed Backbone Application ExamplesNetwork 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 Rack Mounting MountingDesktop or Shelf Mounting Installing the Switch in a RackInserting an SFP Transceiver into a Slot Installing an Optional SFP TransceiverConnecting to the Console Port Connecting to a Power SourceSerial Cable Wiring Switch’s 8-Pin Null Modem PC’s 9-Pin Wiring Map for Serial CableInstalling the Switch Making Network Connections Connecting Network DevicesTwisted-Pair Devices Cabling GuidelinesNetwork Wiring Connections Connecting to PCs, Servers, Hubs and SwitchesFiber Optic SFP Devices Network Wiring ConnectionsMaking Connections to SFP Transceivers Connectivity RulesMbps Fast Ethernet Collision Domain 1000BASE-T Cable RequirementsMbps Gigabit Ethernet Collision Domain Mbps Ethernet Collision Domain Cable Labeling and Connection RecordsDiagnosing Switch Indicators Appendix a TroubleshootingPower and Cooling Problems InstallationIn-Band Access 10BASE-T/100BASE-TX Pin Assignments Appendix B CablesTwisted-Pair Cable and Pin Assignments Crossover Wiring Straight-Through WiringTwisted-Pair Cable and Pin Assignments B 1000BASE-T Pin AssignmentsFiber Standards Cable Testing for Existing Category 5 CableAdjusting Existing Category 5 Cabling to Run 1000BASE-T Physical Characteristics Appendix C SpecificationsStandards Switch FeaturesManagement Features CE Mark CompliancesSpecifications Appendix D Ordering Information Ordering Information Glossary Ethernet End StationFast Ethernet Full DuplexRedundant Power Supply RPS Media Access Control MACRJ-45 Connector Switched PortsVirtual LAN Vlan Transmission Control Protocol/Internet Protocol TCP/IPNumerics IndexIndex 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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