3Com 3CBLSG48 - Baseline Switch 2948-SFP Support and Manuals
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Some Ports On Switch Not Working
i have change utp cable ,ethernet card on computer ,power off-on the switch badthe port on switch no...
i have change utp cable ,ethernet card on computer ,power off-on the switch badthe port on switch no...
(Posted by jpanopoul 13 years ago)
Popular 3Com 3CBLSG48 Manual Pages
User Guide - Page 3
... including traffic control, ACLs, and device access methods. User Guide Overview This section provides an overview to configure, monitor, and troubleshoot your network. It covers summaries of hardware and software features. provides information for viewing and configuring essential information required for the 3Com® Baseline Switch 2948-SFP Plus. The Web interface web pages are easy-to-use...
User Guide - Page 9
... SNMP Traps 146 Removing SNMP Traps 147
13 Configuring quALITY OF SERVICES
Viewing CoS Settings 150 Defining CoS 151 Defining Queuing Algorithm 152 Viewing CoS to Queue 153 Defining CoS to Queue 153 Viewing DSCP to CoS 155 Configuring DSCP to CoS 156 Configuring Trust Settings 157 Viewing Bandwidth Settings 158 Defining Bandwidth Settings 159 Defining Voice VLAN 161
User Guide - Page 12
... Specifications Installing the Switch Setting Up for Management Methods of Managing a Switch Switch Setup Overview Using the Command Line Interface (CLI) Setting Up Web Interface Management Setting Up SNMP Management V1 or V2 Default Users and Passwords Upgrading Software using the CLI 1
GETTING STARTED
This chapter contains introductory information about the 3Com® Baseline Switch 2948-SFP...
User Guide - Page 16
...
CHAPTER 1: GETTING STARTED
Table 3 contains the system specifications of the Switch 2948 switch
Specification
Switch 2948-SFP Plus 48-Port 3CBLSG48
Physical dimensions 44×440×265 mm (1.73 X 1.7.3 X 10.43 in Appendix B "Device Specifications and Features". on the front panel Four Gigabit SFP Combo ports
AC Input voltage
Rated voltage range: 100-240 VAC, 50/60 Hz...
User Guide - Page 18
... using the Console Port
Viewing IP Information using the Console Port
Setting Up Web Interface Management
Setting Up SNMP Management V1 or V2
Default Users and Passwords This is known as managing the switch. It covers the following topics:
Methods of Managing a Switch
Switch Setup Overview
Manually set up of the switch and the different methods of accessing the management software to...
User Guide - Page 30
... and the switch is on the switch are in the following format: http://xxx.xxx.xxx.xxx
5 At the login and password prompts, enter admin as your user name and press Return at the password prompt (or the password of all sizes and complexity. Note that the management workstation does not have already modified the default passwords). See "3Com Network...
User Guide - Page 131
... parameters are defined. 120 CHAPTER9: CONFIGURING IP and MAC Address Information
Defining ARP Settings
The ARP Settings Setup Page allows network managers to this page. Figure 62 ARP Settings Setup Page
The ARP Settings Setup Page contains the following fields:■
VLAN - Indicates the VLAN for specific interfaces. ARP Entry Age Out -
The monitor users have no access to define ARP...
User Guide - Page 161
... possible field values are 0-7.
Displays the default CoS value for incoming packets for which a VLAN priority tag is defined. 150 CHAPTER 13: CONFIGURING QUALITY OF SERVICE
Viewing CoS Settings
The CoS Summary Page displays CoS default settings assigned to ports. Displays the interface for which the CoS default value is not defined. Default CoS -
The CoS Summary Page opens...
User Guide - Page 162
... value is the highest priority.
To configure CoS Settings: 1 Click Device > QoS > CoS Setup. Enabled - Set Default - Sets the default user priority. With the default settings, 0 is the lowest and 7 is 0.
The CoS Setup Page opens. Select Port(s) - Defining CoS
CHAPTER 13: CONFIGURING QUALITY OF SERVICE 151
The CoS Setup Page contains information for CoS values.
2 Define...
User Guide - Page 174
Ports Enabled for enabling and defining Voice VLAN globally on the device. To configure Voice VLAN Settings: 1 Click Device > QoS > VoIP > Traffic Setting > Setup.
Disabled - Figure 89 Voice VLAN Setup Page
The Voice VLAN Setup Page contains the following fields:
Voice VLAN Status - Displays the ports on the device.
The Voice VLAN Setup Page provides information for Voice ...
User Guide - Page 178
... displaying the current Voice VLAN port settings. Adding a selected port to a Voice VLAN.
Port Security ensures that packets arriving with an unrecognized MAC address are applied. Enabled - Disables port security on the port, the port joins the Voice VLAN. The last three bytes contain a unique station ID. CHAPTER 13: CONFIGURING QUALITY OF SERVICE 167
Viewing the...
User Guide - Page 181
...structure consists of the configuration files are used after the device is downloaded. Running Configuration File - 14
MANAGING SYSTEM FILES
This section contains information about managing the configuration files and installing and backing up the switch firmware. After a successful download, the new version is marked, and is used when a new version file is reset. Backup and restore of...
User Guide - Page 201
...Default Users and Passwords". Password Management
Password management provides increased network security and improved password control. 190 appendix B: DEVICE SPECIFICATION AND FEATURES
Table 11 Features of the Baseline Switch 2948-SFP Plus
Feature
IGMP Snooping
Description
IGMP Snooping examines IGMP frame contents, when they are forwarded by the device from work stations configured...
User Guide - Page 208
... 197
Table 12 Troubleshooting Solutions
Problems
Possible Cause
Switch does not run; power LED is disconnected. Remove and reinstall the device.
Power is off.
Use the included cable, or be sure that your technical support representative. No response from the
Faulty serial cable
terminal emulation
Software Settings
software is configured. Response from the...
User Guide - Page 228
...the appropriate telephone number, URL, or e-mail address from 3Com or your login. To access these services for your 3Com reseller. appendix g: obtaining support for your 3cOm products 217
Contact your 3Com product. Access Software Downloads
You are available for assistance, have the following information ready:
Product model name, part number, and serial number
A list of access numbers...
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