Foundry Networks OSI Remote Connections with Fiber Cable, Collapsed Backbone Using Fiber Cable

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NETWORK PLANNING

Remote Connections with Fiber Cable

Fiber optic technology allows for longer cabling than any other media type. A 1000BASE-LX SFP transceiver link can connect to a site up to 5 km away. This allows the EdgeIron 4802CF to serve as a collapsed backbone, providing direct connectivity for a widespread LAN. A Gigabit SFP transceiver can also be used for a high-speed connection between floors in the same building, or to connect to other buildings in a campus setting. The figure below illustrates an EdgeIron 4802CF connecting multiple segments with fiber cable.

Figure 3-3. Collapsed Backbone Using Fiber Cable

Headquarters

	1000BASE-SX MMF
Server Farm	(500 m)
		1000BASE-LX SMF
Remote Switch	Remote Switch	(5 kilometers)
	10/100 Mbps Segments
...		...

3-4

© 2003 Foundry Networks, Inc.

February 2003

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Contents Foundry EdgeIron 4802CF Installation Guide Page EC Conformance Declaration Class a CompliancesFCC Class a RFI EmissionImmunity Industry Canada Class aJapan Vcci Class a Taiwan Bsmi Class a Australia AS/NZS 3548 1995 Class a Underwriters Laboratories Compliance Statement Safety ComplianceWarnhinweis Faseroptikanschlüsse Optische Sicherheit Wichtige Sicherheitshinweise Germany Foundry Networks, Inc Contents Installing the Switch Making Network ConnectionsGlossary Index Foundry Networks, Inc Audience How to Get HelpChapter About this Guide NomenclatureMail Access Warranty CoverageWeb Access Telephone AccessChapter About OverviewManagement Options Switch ArchitectureSwitching Method 1000BASE-T/SFP Ports Description of Hardware10BASE-T/100BASE-TX Ports Condition Status Status LEDsPort Status LEDs FDX Optional Redundant Power Unit Power Supply ReceptaclesPerformance Features and BenefitsConnectivity Management GvrpIntroduction to Switching Chapter Network PlanningApplication Examples Collapsed BackboneCentral Wiring Closet Central Wiring ClosetCollapsed Backbone Using Fiber Cable Remote Connections with Fiber CableMaking Vlan Connections Making Vlan ConnectionsConnectivity Rules Mbps Gigabit Ethernet Collision DomainMaximum Fast Ethernet Cable Distance Mbps Fast Ethernet Collision DomainMbps Ethernet Collision Domain Maximum Ethernet Cable DistanceApplication Notes Installing the Switch Selecting a SiteOptional Rack-Mounting Equipment Equipment ChecklistPackage Contents Mounting Rack MountingAttaching the Brackets Desktop or Shelf Mounting Attaching the Adhesive FeetConnecting to a Power Source Power ReceptacleTwisted-Pair Devices Connecting Network DevicesChapter Making Network Connections Cabling GuidelinesConnecting to PCs, Servers, Hubs and Switches Making Twisted-Pair ConnectionsWiring Closet Connections Wiring Closet Connections Power and Cooling Problems TroubleshootingDiagnosing Switch Indicators Appendix aInstallation In-Band AccessAppendix B Cables SpecificationsCable Types and Specifications Max. Length Connector RJ-45 Connector Pin Numbers Twisted-Pair Cable and Pin AssignmentsRJ-45 Pin Assignments Pin MDI-X Signal Name MDI Signal Name100BASE-TX/10BASE-T Pin Assignments Pin MDI Signal Name MDI-X Signal Name 1000BASE-T Pin Assignments1000BASE-T Cable Requirements Cable Testing for Existing Category 5 CableAdjusting Existing Category 5 Cabling to Run 1000BASE-T Console Port Pin Assignments DB-9 Port Pin AssignmentsConsole Port to 25-Pin DTE Port on PC PortFoundry Networks, Inc Appendix C Specifications Physical CharacteristicsPower Consumption TemperaturePower Supply HumiditySwitch Features Management Features StandardsCE Mark Emissions SafetyCompliances Foundry Networks, Inc Auto-Negotiation Glossary1000BASE-T Collision Domain BandwidthCollision End StationIeee Gigabit EthernetFull Duplex Ieee 802.3abRJ-45 Connector Media Access Control MACRedundant Power Unit RPU Switched PortsTransmission Control Protocol/Internet Protocol TCP/IP Virtual LAN VlanGlossary-6 Foundry Networks, Inc Index NumericsIndex 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.