Foundry Networks OSI manual Glossary, 1000BASE-T, Auto-Negotiation

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GLOSSARY

10BASE-T

IEEE 802.3 specification for 10 Mbps Ethernet over two pairs of Category 3, 4, or 5 UTP cable.

100BASE-TX

IEEE 802.3u specification for 100 Mbps Fast Ethernet over two pairs of Category 5 UTP cable.

1000BASE-SX

IEEE 802.3z specification for Gigabit Ethernet over two strands of 50/125 or 62.5/125 micron core fiber cable.

1000BASE-LX

IEEE 802.3z specification for Gigabit Ethernet over two strands of 50/125, 62.5/125 or 9/125 micron core fiber cable.

1000BASE-T

IEEE 802.3ab specification for Gigabit Ethernet over 100-ohm Category 5 or 5e twisted-pair cable (using all four wire pairs).

Auto-Negotiation

Signalling method allowing each node to select its optimum operational mode (e.g., 10 Mbps or 100 Mbps and half or full duplex) based on the capabilities of the node to which it is connected.

February 2003

Glossary-1

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Contents Foundry EdgeIron 4802CF Installation Guide Page FCC Class a CompliancesEC Conformance Declaration Class a RFI EmissionIndustry Canada Class a Japan Vcci Class aImmunity Taiwan Bsmi Class a Australia AS/NZS 3548 1995 Class a Safety Compliance Warnhinweis Faseroptikanschlüsse Optische SicherheitUnderwriters Laboratories Compliance Statement Wichtige Sicherheitshinweise Germany Foundry Networks, Inc Contents Making Network Connections Installing the SwitchGlossary Index Foundry Networks, Inc Chapter About this Guide How to Get HelpAudience NomenclatureWeb Access Warranty CoverageMail Access Telephone AccessOverview Chapter AboutSwitch Architecture Switching MethodManagement Options Description of Hardware 10BASE-T/100BASE-TX Ports1000BASE-T/SFP Ports Status LEDs Port Status LEDsCondition Status FDX Power Supply Receptacles Optional Redundant Power UnitFeatures and Benefits ConnectivityPerformance Gvrp ManagementChapter Network Planning Introduction to SwitchingCollapsed Backbone Application ExamplesCentral Wiring Closet Central Wiring ClosetRemote Connections with Fiber Cable Collapsed Backbone Using Fiber CableMaking Vlan Connections Making Vlan ConnectionsMbps Gigabit Ethernet Collision Domain Connectivity RulesMbps Ethernet Collision Domain Mbps Fast Ethernet Collision DomainMaximum Fast Ethernet Cable Distance Maximum Ethernet Cable DistanceApplication Notes Selecting a Site Installing the SwitchEquipment Checklist Package ContentsOptional Rack-Mounting Equipment Rack Mounting MountingAttaching the Brackets Attaching the Adhesive Feet Desktop or Shelf MountingPower Receptacle Connecting to a Power SourceChapter Making Network Connections Connecting Network DevicesTwisted-Pair Devices Cabling GuidelinesMaking Twisted-Pair Connections Connecting to PCs, Servers, Hubs and SwitchesWiring Closet Connections Wiring Closet Connections Diagnosing Switch Indicators TroubleshootingPower and Cooling Problems Appendix aIn-Band Access InstallationSpecifications Cable Types and Specifications Max. Length ConnectorAppendix B Cables Twisted-Pair Cable and Pin Assignments RJ-45 Connector Pin NumbersPin MDI-X Signal Name MDI Signal Name 100BASE-TX/10BASE-T Pin AssignmentsRJ-45 Pin Assignments 1000BASE-T Pin Assignments Pin MDI Signal Name MDI-X Signal NameCable Testing for Existing Category 5 Cable Adjusting Existing Category 5 Cabling to Run 1000BASE-T1000BASE-T Cable Requirements DB-9 Port Pin Assignments Console Port Pin AssignmentsPort Console Port to 25-Pin DTE Port on PCFoundry Networks, Inc Physical Characteristics Appendix C SpecificationsPower Supply TemperaturePower Consumption HumiditySwitch Features Standards Management FeaturesSafety CompliancesCE Mark Emissions Foundry Networks, Inc Glossary 1000BASE-TAuto-Negotiation Collision BandwidthCollision Domain End StationFull Duplex Gigabit EthernetIeee Ieee 802.3abRedundant Power Unit RPU Media Access Control MACRJ-45 Connector Switched PortsVirtual LAN Vlan Transmission Control Protocol/Internet Protocol TCP/IPGlossary-6 Foundry Networks, Inc Numerics IndexIndex Index-3 Index-4 Foundry Networks, Inc

OSI specifications

Foundry Networks, a subsidiary of Broadcom Inc., has been a significant player in the networking industry, offering a range of products and solutions focused on high-performance and scalable networking. One of the key products from Foundry Networks is its operating system, known as Foundry Networks OSI (Operating System Interface). This proprietary operating system is designed to support the firm’s line of switches and routers, emphasizing robust performance, enhanced reliability, and comprehensive management capabilities.

A standout feature of Foundry Networks OSI is its modular architecture, which allows for easy upgrades and customization. This design enables users to add new protocols or services without disrupting existing functionalities. The OS is built on a multi-threaded architecture, ensuring efficient processing and handling of multiple tasks simultaneously. This feature is particularly crucial for environments requiring low latency and high throughput, such as data centers and enterprise networks.

Foundry Networks OSI supports a variety of advanced networking technologies, including Layer 2 and Layer 3 switching, VLAN (Virtual Local Area Network) support, and advanced routing protocols like OSPF (Open Shortest Path First) and BGP (Border Gateway Protocol). These technologies ensure that the network can efficiently handle traffic management while maintaining high availability and redundancy.

Another notable characteristic of the OSI is its support for IPv6, which is essential as more organizations transition to the newer protocol to accommodate the growing number of Internet-connected devices. Through enhanced quality of service (QoS) features, Foundry Networks OSI allows administrators to prioritize traffic, ensuring that mission-critical applications receive the bandwidth they require.

Security is a critical concern in modern networking, and Foundry Networks OSI addresses this need with robust security features. The system includes access control lists (ACLs), port security options, and support for 802.1X authentication to provide secure access to the network. These security measures help to protect the network from unauthorized access and potential threats.

Moreover, the OSI offers an intuitive management interface, simplifying the task of monitoring and configuring network devices. GUI-based and CLI (Command-Line Interface) management options cater to different preferences and skill sets, making it easier for network administrators to maintain and optimize their networks.

In summary, Foundry Networks OSI stands out for its modular design, support for advanced networking technologies, robust security features, and user-friendly management interface. These characteristics make it a suitable choice for organizations that prioritize high performance, reliability, and scalability in their networking solutions. As enterprises continue to evolve, Foundry Networks OSI remains a relevant and powerful tool in the networking landscape.