3Com 3CB9LF36TL, 3CB9LF36RL, 3CB9LG9MC, 3CB9LF20MM, 3CB9LF20R manual Chassis, At the EME prompt, enter

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42CHAPTER 4: SOFTWARE INSTALLATION

CAUTION: Before you attempt to download any module software, save the configuration file for the release that you are currently running to an external device using the EME upload command. See the CoreBuilder 9000 Enterprise Management Engine User Guide for information about the EME upload command.

CAUTION: If the EME contains a Release 3.0.x configuration file for a switch fabric module slot or interface module slot, and if you want to install a module in that slot that already has Release 2.x.x software on it, delete the Release 3.0.x configuration file from the EME after you save the 3.0.x configuration file to the external device.

Verifying and To verify whether modules in an existing, powered-on chassis are Updating Modules operating with software that is compatible with Release 3.0 software for

for an Existing your Fast Ethernet or Gigabit Ethernet Layer 2 switching module:

Chassis

1At the EME prompt, enter:

show module all verbose

Scroll through the resulting screens to find the software release numbers of all installed modules.

2Compare the software release numbers in the display against the requirements in Table 1 in Chapter 1 to identify which existing modules you need to upgrade.

3Have ready the software upgrades and associated release notes for all modules that you are upgrading.

To obtain software upgrades and release notes, see your network supplier or 3Com representative, or visit the 3Com Web site at:

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

4Download software to appropriate switch fabric modules and interface modules in any order.

CAUTION: Downloaded software does not become active on a module until you cycle the power to the module slot. If you are upgrading multiple modules, download software to all modules first and then cycle the power to these module slots.

For software download procedures and instructions about how to cycle power to module slots to activate the new software, see “Downloading Software” later in this chapter.

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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 Requirements Boot CodeSystem Operational CodeRedundancy 3CB9LG9MCRelease Highlights IgmpManagement CoreBuilder 9000 Enterprise SwitchWeb-based Software CDISO Date and Time FormatNew Modules 10/100 Mbps Ethernet Port Monitoring QueryingSnooping 802.1p CoS Loop DetectionCoreBuilder 9000 Implementation Guide for more details Release Highlights LoopDetectMode loopDetectSrcAddress Enable 08-00-8f-75-48-86 LoopDetectStatus Bridge Address Learning LimitsAddresses Addresses are taken from the per-port address allocations Learning ModeSecure Address See the previous section Bridge Address Learning LimitsSecure Address Learning Mode Vlan Flood Rate Limiting BroadcastMulticast, Vlan as the arriving packetMulticastlimit Limiting is on a per-port basis only Release Highlights System Release IssuesCorrected Problems ManagementWhenever a non-switch fabric module is reset with VLANs StagingWeb-based System Issues Module Modules have only one backplane portModel Number 3CB9LF36RL or 3CB9LF36TL to act as an Igmp TrunkingSystem Issues Release Issues Known Problems Release Issues Known Problems Not reset after you enter the module baseline set command Administration Console of the 36-port 10/100BASE-TX FastModify command If a trunk is configured on a module, the following fieldsKnown Problems Documentation ChangesDocumentation Software Installation Chassis At the EME prompt, enterVerifying Your module for guidelines and proceduresOrder specified in the following procedure ModulesSoftware next in this chapter Power to these module slotsFollowing procedure explains how to download software 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 Identifying SwitchReference Modules3CB9LG2MC MIB Files ApplicableDocuments CoreBuilder 9000 Implementation GuideReference Entering Commands UnderstandingAutonegotiation Year Compliance3Com Year 2000 Web Technical Support ServicesServices Online TechnicalAccess by Analog Modem Username anonymousModem Isdn 24 hours a day, 7 days a week Access by Digital Modem 847 262408 727 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.
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