3Com Version 8.1.2 manual ATM in Your, Network, LAN Emulation, Classical IP

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36APPENDIX B: ADMINISTERING ATM

ATM in Your

ATM architecture differs fundamentally from IEEE 802.x technology. IEEE

Network

802.x LANs, which are limited to FDDI, Ethernet, and token ring, are

 

connectionless and use the Media Access Control (MAC) addresses in

 

each packet to communicate to end-stations. ATM is connection-oriented

 

and uses an circuit identifier, called a virtual channel identifier, to

 

exchange data between two ATM stations over previously established

 

virtual channel connection (VCC).

LAN Emulation

To forward data over an ATM interface in an existing network, two

and Classical IP

methods are provided to adapt existing network layer protocols to the

 

connection-oriented paradigm of ATM:

 

■ LAN Emulation (LANE) — Supports transparent translation of higher

 

level protocols, such as IP, IPX, and AppleTalk protocols. LANE also

 

supports broadcast and multicast addressing.

 

■ Classical IP over ATM — Supports transparent translation of IP only

 

over ATM, and does not support broadcast or multicast addressing.

 

Classical IP is supported only in CoreBuilder 2500 Extended Switching

 

Software, version 8.1.0 or later. Thus, it does not apply to Intelligent

 

Switching Software version 8.1.2.

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Contents CoreBuilder Software Installation Release Notes 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents NEW Features in Intelligent Switching Software Version Technical Support Page Upgrade OverviewBefore You Start ConsiderationsPatch Descriptions of Fixed Problems About SoftwareVersion DescriptionsPatch System Issues Upgrade Considerations Outlines the configuration restrictions Chassis with Revision System Configuration MotherboardError Message for Unsupported Configurations System HaltedCustomer DocumentationCustomer Documentation Software Installation Procedure Use this section in either of these casesIndicated sections Proceed to Installing the Diagnostic Software next System softwareUpdate System prompts you for several items of informationAt the User name prompt, enter your user name System reboot Loading the Expander File Example /c\3com\cb2500\lpexpand Proceed to Loading the Compressed Image nextLoading the Compressed Image Proceed to Rebooting the System next Rebooting the SystemReloading the Compressed Image From the top level of the Administration Console, enter System passwordYou are prompted for an access level to change Enter administerSnmp MIB Files FilesHP Openview version Public MIBs Private MIBsIntelligent Switching software Release HistoryRelease Descriptions Version DescriptionRelease Descriptions Corebuilder 2500 Intelligent Switching Software Version New Features Physical Configuration FeaturesDisplaying Interface Information Ip interface summary or ip interface detailEnter specific interface index numbers or all Page New Updated MIBs Only be configured to a number between 30 and 60 minutesPage Administering ATM ATM in Your NetworkLAN Emulation Classical IPBefore You Configure ATM CheckingAppendix B Administering ATM VPI/VCI LAN Emulation Configuration Server Lecs The Lecs LAN EmulationBroadcast and Unknown Server BUS Responsible for Emulated LAN LES and the Broadcast and Unknown Server BUS Defining LAN Emulation ClientsEnter the Lecs access type. Choices are lecs and manual Bridge stpState enabledReboot to enable all newly defined LECs Sample procedure Reboot after you have added all newly created LECsAdministering LAN Emulation Clients Displaying Information About LAN Emulation ClientsAtm lane detail Sample summary display for a LAN Emulation Client Sample detail display for a LAN Emulation Client Parameter Description CfgArpRespTimeEnabled Modifying Information About LAN Emulation Clients Removing a LAN Emulation ClientAdministering UNI ManagementEntities Displaying UMEAttribute Description Registration connected or disconnectedPrefixes Port Addresses To list prefixes and addresses Appendix B Administering ATM Administering ATM PortsChannel connection VCC information for ATM ports Describes the fields in the port displays Field DescriptionAdministering ATM Ports Information Listing General VCC Information Atm ports vcc listSample display of general VCC information Describes the fields in the displayListing VCC Transmit Information Atm ports vcc listxmtSample display of VCC transmit information Describes the fields in the VCC transmit displayListing VCC Receive Information Atm ports vcc listrcvSample display of VCC receive information Describes the fields in the VCC receive displayServices Online TechnicalAccess by Analog Modem Username anonymousHours a day, 7 days a week Country Data Rate Telephone NumberAccess by Digital Modem 847 262408 727 A. and Canada 800 876 Year Compliance3Com Year 2000 Web Country Telephone Number Fax Number

Version 8.1.2 specifications

3Com Version 8.1.2 is a notable release in the realm of networking technologies, offering enhanced performance and new features to adapt to the evolving landscape of network demands. Released by 3Com, a pioneer in networking products, this version brings forward several improvements aimed at ensuring reliability, scalability, and security in enterprise environments.

One of the standout features of 3Com Version 8.1.2 is its enhanced performance metrics. The update has been engineered to optimize throughput and minimize latency across network connections. This makes it particularly advantageous for organizations that rely on real-time data transmission, such as those in finance or real-time communications. With the ability to handle increased traffic loads without compromising performance, Version 8.1.2 solidifies 3Com’s reputation for creating robust networking solutions.

Another significant aspect of this version is its advanced security features. Cybersecurity threats continue to grow in complexity, and 3Com has addressed this challenge head-on. Version 8.1.2 integrates sophisticated firewall capabilities and intrusion detection systems, which can help prevent unauthorized access and safeguard sensitive data. The incorporation of features like Virtual LAN (VLAN) tagging provides better control over network segments, allowing IT administrators to segment traffic and enforce more granular security policies.

Moreover, 3Com Version 8.1.2 supports the latest networking technologies, including Voice over IP (VoIP) and wireless standards. This ensures that organizations can seamlessly converge their voice and data networks, enhancing collaboration and communication efficiency. The support for Power over Ethernet (PoE) enables devices such as IP phones and security cameras to receive power through the network cabling, simplifying installations and reducing the need for separate power sources.

Additionally, the version places a significant emphasis on management and monitoring. The intuitive user interface and enhanced tools for network management allow administrators to easily configure, monitor, and troubleshoot networking devices. Features like real-time analytics and reporting foster a proactive approach to network management, enabling timely responses to potential issues before they escalate.

In conclusion, 3Com Version 8.1.2 stands out as a comprehensive networking solution characterized by its enhanced performance, advanced security features, support for modern technologies, and robust management tools. Organizations that implement this version can expect improved network efficiency, greater security, and an overall elevation in their operational capabilities, affirming 3Com’s continued relevance in the networking industry.
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