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User Guide - Page 2
..." as defined in FAR 2.101(a) and as such is any software on the part of 3Com Corporation to provide notification of such revision or change.
3Com Corporation provides this documentation without written permission from 3Com Corporation.
3Com Corporation reserves the right to revise this documentation and to , the implied warranties, terms or conditions of any kind, either implied or expressed...
User Guide - Page 3
... the Web Interface 25 Navigating the Web Interface 26
Menu 26 Buttons 29 Port Status 29 Accessing the Interface Without Using Discovery 30 DHCP Assigned IP Address 30 Manually Assigned (Static) IP Address 30
4 CONFIGURING THE SWITCH
Configuration Overview 31 Device Summary Information 31 Administration Settings 33
Modifying the IP Address Settings 33
User Guide - Page 4
... Table 70 Cable Diagnostics 71
5 TROUBLESHOOTING
Resetting to Factory Defaults 73 Forgotten Password 74 Forgotten Static IP Address 74 Solving LED Issues 74 If the Problem Persists 76
A OBTAINING SUPPORT FOR YOUR PRODUCT
Register Your Product 77 Purchase Value-Added Services 77 Troubleshoot Online 77 Access Software Downloads 77 Telephone Technical Support and Repair 78 Contact Us 78
B TECHNICAL...
User Guide - Page 13
... be part of the unit. This returns the Switch to the supply voltage. Switch is ...3Com recommends that you back up your configuration settings before you have forgotten the default IP address, or forgotten your user name or password. Status Meaning
Green The unit is supplied with the recesses of the Switch... on top of the Switch.
Refer to "Resetting to Factory Defaults" on page 73 for...
User Guide - Page 30
... address and default IP address of the Switch. If you do not configure the Switch's IP address settings, it will assign to itself . To determine the IP address that the Switch will perform auto IP configuration to assign an IP address to itself during auto IP configuration, check the sticker on page 33. DHCP Assigned IP Address
If you set the IP address mode...
User Guide - Page 32
Figure 9 Polling Interval
To set the polling interval: 1 Click the Device Summary menu, click Polling
Interval tab. 2 Enter a number between 10 to disable polling. Enter a 0 to 180 seconds for technical assistance from 3Com Support, you would like the Switch to refresh. (Range: 10 to 180 seconds; 0 to identify the Switch. Polling Interval Enter the interval in...
User Guide - Page 33
...Configuration
Administration Settings
33
■ Firmware Upgrade ■ Initialize ■ Reboot ■ System Access ■ System Time ■ SNMP
Modifying the IP Address Settings To enable devices on the network to communicate with the Switch, you power on the Switch for the Discovery application to be able to connect to the Web interface. By default, the Switch performs automatic...
User Guide - Page 34
..., or no other network devices. Follow the IP Setup Wizard to generate its IP address. IP Setup To set system name, location and contact information. This sticker contains the MAC address and default IP address of the Switch. The Switch also assigns the subnet mask 255.255.0.0 (default class B mask) to itself.
2 If this default IP address is operating in use on the...
User Guide - Page 37
... Settings
37
You will be corrupted and the Switch may need to re-establish your Internet connection. CAUTION: Do not interrupt power to the default IP address 169.254.x.y. (see "Automatic IP Configuration" on page 33).
Any network users that are experiencing problems and you are currently accessing the Internet will revert to the Switch during the upgrade...
User Guide - Page 55
...Settings
55
If you must enable autonegotiation for the port, the Switch regulates the packet flow so that a sending device does not transmit more packets than a receiving device can be supported by default...Mbps. Figure 41 Port Administration Setup Screen
Speed/Duplex for 1000 Mbps Connections" below.
When flow control is disabled by both ends of the port. Sets the speed mode of the...
User Guide - Page 56
... autonegotiate for a link manually set to the same speed and duplex setting. 56
CHAPTER 4: CONFIGURING THE SWITCH
1000 Mbps connections are unsure of how to configure the speed/duplex setting, simply enable autonegotiation for the port. CAUTION: Before manually setting a port to full-duplex, verify that are only available for creating a trunk.
■ This switch supports a maximum of four...
User Guide - Page 59
...Units) on all the bridges on the Spanning Tree per Port
This administrative tool supports the configuration of the Switch to forward, or block and discard 802.1D spanning tree BPDU packets. All...per Port page:
■ Summary
■ Detail
■ Setup This is the Port nearest the Root Bridge and it is
Configuring Port Settings
59
used to select a bridging device that the optimal path ...
User Guide - Page 77
...can include 24x7 telephone technical support, software upgrades, onsite assistance or advance hardware replacement.
In order to you troubleshoot 3Com products. If you have authorization to access. Experienced engineers
are available to manage your installation with the product. A OBTAINING SUPPORT FOR YOUR PRODUCT
Register Your Product
Warranty and other service benefits start from the...
User Guide - Page 78
... contract from the list below. Telephone Technical Support and Repair
To obtain telephone support as part of your warranty and other service benefits start from the date of publication.
78
APPENDIX A: OBTAINING SUPPORT FOR YOUR PRODUCT
Updates you must first obtain a return authorization number (RMA). In order to access upgrades and related documentation you must first register...
User Guide - Page 89
...Mbps.
IP Address
Internet Protocol Address.
Contrast with periods (full-stops), and is not supported for the operation of MAC bridges, including the Spanning Tree Protocol. It allows switches to ..., servers) and network devices (hubs and ISP
Internet Service Provider. IP is a layer 3 network protocol that is part of the TCP/IP set of the IEEE Std. 802.3-2002.
89
IETF
Internet...
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