3Com 3CB9LF36RL, 3CB9LF36TL, 3CB9LG9MC, 3CB9LF20MM, 3CB9LF20R, 3CB9LF10MC Software Installation

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4

SOFTWARE INSTALLATION

 

This chapter contains the following topics:

 

How to Obtain Software Image Files

 

Installation and Upgrade Prerequisites

 

Downloading Software

 

Downgrading Switching Modules to Software Release 2.1.0

 

 

How to Obtain

To obtain image files for software Release 3.0, contact your network

Software Image

supplier or 3Com representative, or visit the 3Com Web site at:

Files

http://support.3com.com/infodeli/swlib/index.htm

 

CAUTION: Before you upgrade software on CoreBuilder 9000 switch

 

fabric modules and interface modules to Release 3.0, you must upgrade

 

management software on the EME module to Release 3.0. You must also

 

upgrade the EMC operational file to Release 3.0 and the EMC boot file to

 

software Release 2.1.0. See the CoreBuilder 9000 Release Notes for

 

Management Modules for instructions.

 

 

Installation and

Before you upgrade the Fast Ethernet and Gigabit Ethernet Layer 2

Upgrade

switching modules to Release 3.0, read this section for important

Prerequisites

procedures that pertain to other modules in an existing chassis or to other

 

modules in a new chassis.

 

CAUTION: All modules in a CoreBuilder 9000 chassis must operate at

 

compatible software levels. You must verify the software release on all

 

new and existing modules in your chassis and upgrade as necessary. See

 

Table 1 in Chapter 1 for module software compatibility requirements. See

 

“Verifying and Updating Modules for an Existing Chassis” and “Verifying

 

and Updating Modules for a New Chassis” next for procedures and

 

important information.

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Contents CoreBuilder Release Notes 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Release Issues Software Installation Page Overview Management Information Bases MIBs System Boot CodeRequirements Operational Code3CB9LG9MC RedundancyIgmp Release HighlightsWeb-based CoreBuilder 9000 Enterprise SwitchManagement Software CDNew Modules ISO Date and TimeFormat Snooping 10/100 Mbps Ethernet Port MonitoringQuerying CoreBuilder 9000 Implementation Guide for more details 802.1p CoSLoop Detection Release Highlights LoopDetectMode loopDetectSrcAddress Enable 08-00-8f-75-48-86 LoopDetectStatus Addresses Bridge AddressLearning Limits Secure Address Learning ModeAddresses are taken from the per-port address allocations See the previous section Bridge Address Learning LimitsSecure Address Learning Mode Vlan Multicast, BroadcastFlood Rate Limiting Vlan as the arriving packetMulticastlimit Limiting is on a per-port basis only Release Highlights Corrected Problems Release IssuesSystem ManagementWhenever a non-switch fabric module is reset with Staging VLANsWeb-based System Issues Model Number 3CB9LF36RL or 3CB9LF36TL to act as an Igmp Modules have only one backplane portModule TrunkingSystem Issues Release Issues Known Problems Release Issues Known Problems Modify command Administration Console of the 36-port 10/100BASE-TX FastNot reset after you enter the module baseline set command If a trunk is configured on a module, the following fieldsKnown Problems Documentation DocumentationChanges Software Installation At the EME prompt, enter ChassisOrder specified in the following procedure Your module for guidelines and proceduresVerifying ModulesFollowing procedure explains how to download software Power to these module slotsSoftware next in this chapter ModulesShow module slot.all verbose From the EME, connect to the module You must complete to ensure that the module is updated Downgrading Switching Modules to Software Release Reference SwitchIdentifying Modules3CB9LG2MC Documents ApplicableMIB Files CoreBuilder 9000 Implementation GuideReference Autonegotiation Entering CommandsUnderstanding 3Com Year 2000 Web YearCompliance Services ServicesTechnical Support Online TechnicalModem Isdn 24 hours a day, 7 days a week Access by Analog ModemUsername anonymous 408 727 Access by Digital Modem847 262 Europe Country Telephone Number North America

3CB9LF36R, 3CB9LF36TL, 3CB9LF20R, 3CB9LF36RL, 3CB9LF36T specifications

The 3Com 3CB9LF20MM, 3CB9LF10MC, 3CB9LG9MC, 3CB9LF36T, and 3CB9LF36RL are advanced networking solutions that exemplify the commitment of 3Com to delivering high-performance products for both small and large enterprises. These models feature varying specifications to accommodate different network demands while ensuring reliability and efficiency.

The 3CB9LF20MM model is designed with flexibility in mind, making it an ideal choice for small to medium-sized businesses. It supports multiple network protocols ensuring seamless integration and is equipped with enhanced security features that protect sensitive data. This model excels in environments that require high-speed connectivity and robust throughput.

Next, the 3CB9LF10MC stands out due to its compact design, making it perfect for businesses with limited space. It offers exceptional performance while maintaining low power consumption, enabling organizations to reduce their carbon footprint. This unit also includes advanced Quality of Service (QoS) features, allowing administrators to prioritize critical applications and ensure optimal network performance.

The 3CB9LG9MC is particularly noteworthy for its scalability. It is engineered to support growing network demands and can accommodate a substantial number of users without compromising performance. This model leverages cutting-edge technologies, such as advanced VLAN support and multicast routing, to facilitate efficient network management. Its robustness makes it suitable for larger enterprise environments or data-intensive applications.

The 3CB9LF36T model is designed for high capacity and speed, making it suitable for organizations that require increased bandwidth. This switch can handle heavy traffic loads effectively, ensuring smooth operation for bandwidth-intensive tasks and applications. Additionally, it comes equipped with multiple gigabit Ethernet ports, providing flexibility for various network configurations.

Lastly, the 3CB9LF36RL model features redundancy and failover capabilities, making it an excellent choice for mission-critical environments. The design emphasizes reliability, with built-in features that allow for uninterrupted service, even in the face of hardware failures. This model ensures continuous connectivity, an essential requirement for organizations where downtime can lead to significant financial loss.

In summary, the 3Com 3CB9 family of networking solutions offers a diverse array of features and technologies designed to meet varying organizational needs. From scalability and security to high capacity and reliability, these models cater to a broad spectrum of networking requirements, ensuring that businesses can maintain optimal performance in their operations.