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

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58CHAPTER 6: TECHNICAL SUPPORT

When you contact 3Com for assistance, have the following information ready:

Product model name, part number, and serial number

A list of system hardware and software, including revision levels

Diagnostic error messages

Details about recent configuration changes, if applicable

Here is a list of worldwide technical telephone support numbers:

Country

Telephone Number

Country

Telephone Number

 

 

 

 

Asia, Pacific Rim

 

 

 

Australia

1 800 678 515

P.R. of China

10800 61 00137 or

Hong Kong

800 933 486

 

021 6350 1590

India

+61 2 9937 5085

Singapore

800 6161 463

Indonesia

001 800 61 009

S. Korea

00798 611 2230

Japan

0031 61 6439

From anywhere in S. Korea:

Malaysia

1800 801 777

From Seoul:

(0)2 3455 6455

New Zealand

0800 446 398

Taiwan, R.O.C.

0080 611 261

Pakistan

+61 2 9937 5085

Thailand

001 800 611 2000

Philippines

1235 61 266 2602

 

 

 

 

 

 

Europe

 

 

 

From anywhere in Europe,

+31 (0)30 6029900

 

 

call:

phone

 

 

 

+31 (0)30 6029999 fax

 

 

 

 

 

Europe, South Africa, and Middle East

 

 

From the following countries, you may use the toll-free numbers:

 

Austria

0800 297468

Netherlands

0800 0227788

Belgium

0800 71429

Norway

800 11376

Denmark

800 17309

Poland

00800 3111206

Finland

0800 113153

Portugal

0800 831416

France

0800 917959

South Africa

0800 995014

Germany

0800 1821502

Spain

900 983125

Hungary

00800 12813

Sweden

020 795482

Ireland

1800 553117

Switzerland

0800 55 3072

Israel

1800 9453794

U.K.

0800 966197

Italy

1678 79489

 

 

 

 

 

 

Latin America

AT&T +800 666 5065

Mexico

01 800 CARE (01 800

Argentina

Brazil

0800 13 3266

Peru

2273)

Chile

1230 020 0645

Puerto Rico

AT&T +800 666 5065

Colombia

98012 2127

Venezuela

800 666 5065

 

 

 

AT&T +800 666 5065

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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 CDFormat ISO Date and TimeNew Modules Querying 10/100 Mbps Ethernet Port MonitoringSnooping Loop Detection 802.1p CoSCoreBuilder 9000 Implementation Guide for more details Release Highlights LoopDetectMode loopDetectSrcAddress Enable 08-00-8f-75-48-86 LoopDetectStatus Learning Limits Bridge AddressAddresses 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 Changes DocumentationDocumentation 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 Understanding Entering CommandsAutonegotiation Compliance Year3Com Year 2000 Web Technical Support ServicesServices Online TechnicalUsername anonymous Access by Analog ModemModem Isdn 24 hours a day, 7 days a week 847 262 Access by Digital Modem408 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.