3Com 3CB9LF36RL, 3CB9LF36TL, 3CB9LG9MC, 3CB9LF20MM, 3CB9LF20R, 3CB9LF10MC manual Contents

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CONTENTS

1 OVERVIEW

Important Notices 7

 

 

Supported Modules

8

 

System Requirements

9

 

Boot Code and Operational Code

9

Optional Switch Fabric Module Redundancy 10

Optional Management Redundancy

10

2RELEASE HIGHLIGHTS

Web-based Management

12

 

 

 

ISO Date and Time Format

13

 

 

 

New Modules

13

 

 

 

 

IGMP 14

 

 

 

 

 

10/100 Mbps Ethernet Port Monitoring

14

 

RMON Monitoring Applications

15

 

 

802.1p CoS 15

 

 

 

 

Loop Detection

15

 

 

 

 

Bridge Address Learning Limits

19

 

 

Secure Address Learning Mode

20

 

 

Configuring One Untagged System VLAN

22

 

Broadcast, Multicast, and Flood Rate Limiting

23

Module Packet-egress Rate Limiting

23

 

Port Multicast Packet-ingress Rate Limiting

25

How Port Rate Limits and Thresholds Work

26

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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 Operational Code Boot CodeSystem Requirements3CB9LG9MC RedundancyIgmp Release HighlightsSoftware CD CoreBuilder 9000 Enterprise SwitchWeb-based ManagementISO 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 See the previous section Bridge Address Learning Limits Learning ModeSecure Address Addresses are taken from the per-port address allocationsSecure Address Learning Mode Vlan Vlan as the arriving packet BroadcastMulticast, Flood Rate LimitingMulticastlimit Limiting is on a per-port basis only Release Highlights Management Release IssuesCorrected Problems SystemWhenever a non-switch fabric module is reset with Staging VLANsWeb-based System Issues Trunking Modules have only one backplane portModel Number 3CB9LF36RL or 3CB9LF36TL to act as an Igmp ModuleSystem Issues Release Issues Known Problems Release Issues Known Problems If a trunk is configured on a module, the following fields Administration Console of the 36-port 10/100BASE-TX FastModify command Not reset after you enter the module baseline set commandKnown Problems Documentation ChangesDocumentation Software Installation At the EME prompt, enter ChassisModules Your module for guidelines and proceduresOrder specified in the following procedure VerifyingModules Power to these module slotsFollowing procedure explains how to download software Software next in this chapterShow 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 Modules SwitchReference Identifying3CB9LG2MC CoreBuilder 9000 Implementation Guide ApplicableDocuments MIB FilesReference Entering Commands UnderstandingAutonegotiation Year Compliance3Com Year 2000 Web Online Technical ServicesServices Technical SupportAccess 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.