3Com 3824 - SuperStack 3 Switch Support and Manuals
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Implementation Guide - Page 6
... with Full Duplex 77
B NETWORK CONFIGURATION EXAMPLES
Simple Network Configuration Examples 80 Desktop Switch Example 80
Advanced Network Configuration Examples 81 Improving the Resilience of Your Network 81 Enhancing the Performance of Your Network 82
C IP ADDRESSING
IP Addresses 83 Simple Overview 83 Advanced Overview 84
Subnets and Subnet Masks 86 Default Gateways 88
GLOSSARY
INDEX
Implementation Guide - Page 9
...@3com.com
Please include the following : ■ Switch 3812 and Switch 3824 Getting Started Guide
This guide contains: ■ all the information you need to install and set includes the following information when contacting us . Please e-mail comments about this guide, each Switch documentation set up the Switch in HTML format on how to access the management software to begin
managing...
Implementation Guide - Page 15
..., or to its factory default settings before you restore a configuration onto it.
The password is reset to be restored onto the Switch from the file.
As an example, with VLANs you can delete the password from a remote file. You must have the password you can segment your Switch to save and restore the Switch configuration. Important Considerations
■ 3Com recommends the...
Implementation Guide - Page 18
... port. Ports at both ends must be manually set to auto-negotiate.
these capabilities are by ...Switch.
Therefore the correct cables, that provide the highest performance supported by one or more information, see the Getting Started Guide that a port "advertises" on a per port. Ports operating at 1000 Mbps support full duplex mode only. Flow control is enabled (default...
Implementation Guide - Page 29
... 29
Multicast Filtering Your Switch provides automatic multicast filtering support using the Bridge > Multicast filter > IGMP > Querymode operation on the Switch 3812 and Switch 3824.
IGMP querying is disabled by default on the Web Interface. Snooping Mode Snooping Mode allows your Switch to forward multicast packets only to which it has the lowest IP address in the subnetwork to...
Implementation Guide - Page 30
...
IGMP is the system that are compatible with any device that of any other VLANs, the IP multicast traffic will configure the Switch to all the endstations in a network that support IP. IGMP multicast filtering works as the Switch only has an IP address on other network devices that does not contain any IGMP routers (or queriers). However...
Implementation Guide - Page 50
...
Chatty protocols such as email, the Source IP address or protocol in the LAN. The 4 byte tag immediately follows the destination MAC address and Source MAC address.
Many applications use certain TCP or UDP sockets to prioritize the application, device or user that other devices such as Layer 4 switching. By examining the socket number in the...
Implementation Guide - Page 54
...service level markings, the advanced traffic prioritization of the current applications, for example Microsoft Word, Lotus Notes and NetMeeting, are DSCP, TCP/UDP ports, IP Address and Protocol. ■ Mark traffic as shown in the Switch... mapped to identify incoming traffic. The DSCP field in the IP packet header can look in the Switch will check a packet received at layer 2. The Switch ...
Implementation Guide - Page 71
...commands that accompanies your Switch for management, see the Getting Started Guide that you require to manage the Switch please refer to the Management Interface Reference Guide supplied in HTML format on IP addressing, see Appendix C "IP Addressing". It covers the following topics: ■ How Your Switch Obtains IP Information ■ How Automatic IP Configuration Works ■ Important...
Implementation Guide - Page 72
... you can switch to manual IP configuration at any other parameters such as a subnet mask, default gateway, lease time, and any time using a serial port connection to contact a DHCP server on the network.
■ Manual IP Configuration -
For more information see the Getting Started Guide that accompanies your Switch has been powered up before, whichever of available addresses) and other...
Implementation Guide - Page 89
When connected to a port that allows them to the optimum setup.
aging The automatic removal of auto-negotiation
A feature on twisted pair ports that also supports auto-negotiation, the link can transmit. backbone The part of ports to manage 3Com's Supervisor networking solutions.
10BASE-T The IEEE specification for 10 Mbps Ethernet over Category 3, 4 or 5 twisted pair cable...
Implementation Guide - Page 90
... as filtering. Bridges learn which endstations are a part of normal Ethernet operation, but a sudden prolonged increase in the number of collisions can indicate a problem with Collision Detection.
collision
A term used to describe two colliding packets in an organization's network.
This system maps a numerical Internet Protocol (IP) address to a more meaningful and easy-to fail...
Implementation Guide - Page 96
... provides a virtual terminal service, letting a user log into another computer system and access a device as the address of the IP address into two further parts.
however they are generally more LANs than a bridge and are on almost all platforms, and is being obstructed by a switch to be carried on a network. This is now supported on the same physical...
Implementation Guide - Page 99
...77
Capture (RMON group) 61 Configuration
Restore 15 Save 15 Contents 3 conventions notice icons, About This Guide 8 text, About This Guide 8
D
default gateway 88 Default VLAN 65 Designated Bridge 38 Designated Bridge Port..., 18 IGMP
default setting 29 query mode 29 snooping mode 29 IGMP multicast filtering 30 Internet addresses 83 InterNIC 84 IP (Internet Protocol) addresses 84 IP address 72, 83 ...
Implementation Guide - Page 100
... entries 46 port costs, default 38 port security 12 port trunks
example 24 priority in STP 37
Q
QoS (see STP 34 Statistics (RMON group) 60, 61 STP 34
avoiding the subdivision of Service 14, 47
R
Rapid Spanning Tree Protocol (RSTP) 13, 35 registered IP address, obtaining 84 Remote Monitoring. See RMON Restore 15 RMON 14
alarm...
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