3Com
3
manual
STP configurations
Alarms
Default Behavior
STP configurations
Setting UP Virtual Lans
What is
Quality of Service
Switch Features
How Switch
Using Multicast Filtering
Query mode
Page 41
How STP Works
41
Figure 9
STP configurations
Page 40
Page 42
Image 41
Page 40
Page 42
Contents
SuperStack
3Com Corporation 5400 Bayfront Plaza Santa Clara, California
Contents
Using Multicast Filtering
Status Monitoring and Statistics
IP Addressing
About this Guide
List conventions that are used throughout this guide
Conventions
Documentation
Related
Comments
Pddtechpubscomments@3com.com
Registration
Product
Switch Features
Page
Switch Features
What is
Management
Software?
Switch Features Overview
For more information about multicast filtering, see Using
Ports operating at 1000 Mbps only support full duplex mode
Duplex
Flow Control
Resilience Features
For more information about STP and RSTP, see Using
Event Notification
Quality of Service
For more information about Quality of Service, see Using
For more information about VLANs, see Setting Up Virtual
Port Features
Ports operating at 1000 Mbps support full duplex mode only
Port Features
Switch units connected using an aggregated link
Aggregated Links
Traffic Distribution and Link Failure on Aggregated Links
2 Gbps aggregated link between two Switch units
Optimizing Bandwidth
Relevant multicast group
Using Multicast Filtering
Using Multicast Filtering
Query Mode
Query mode
Snooping Mode
That support IP
Igmp v2 protocol
Igmp multicast filtering works as follows
Enabling Igmp Multicast Learning
Igmp Multicast Filtering
Using Multicast Filtering
Network
Spanning Tree
Protocol STP
Ieee 802.1w standard
What is STP?
Traffic flowing through Bridge B
Port Speed Link Type Path Cost 802.1D-1998 802.1w
Using Resilience Features
Port costs in a network
Configuration 3 Redundancy for Cabling Error
Configuration 1 Redundancy for Backbone Link
Configuration 2 Redundancy through Meshed Backbone
STP configurations
Using STP on a
Default Behavior
Network with
Multiple VLANs
Configuration that separates VLANs
Using Resilience Features
How Switch
What is the Switch
Database?
Database Entries
Databases entries can have three states
Switch Database Entry States
Prioritization?
What is Traffic
Available
Converged network applications Used by organizations with a
802.1D Priority Levels
How Traffic Prioritization Works
Traffic Prioritization
Your Switch
Configuring traffic prioritization for QoS on a Switch
How traffic is processed to provide Quality of Service
Using Traffic Prioritization
That allows you to monitor the traffic of LANs or VLANs
What is RMON?
Network efficiency and reduce the load on your network
It improves your efficiency
Alarms
Events
Rmon
Switch
Low Threshold Statistic High Threshold Recovery Period
Low Threshold Statistic High Threshold Recovery
Status Monitoring and Statistics
Hardware Status Monitoring
Example device summary web
Setting UP Virtual Lans
VLANs provide extra security
VLANs ease the movement of devices on networks
VLANs help to control traffic
Creating an Ieee 802.1Q Tagged Link
Membership
Two Vlans connected via a router
Using Untagged
Configuration
Configure the VLANs
Examples
Add ports to the VLANs
Configure the VLANs on Switch
Add endstation ports on Switch 1 to the VLANs
Add endstation ports on Switch 2 to the VLANs
Add port 12 on Switch 1 to the VLANs
Add port 11 on Switch 2 to the VLANs
Check the Vlan membership for both switches
Configuration
Obtains IP
How Your Switch
Information
How Automatic IP
How Automatic IP Configuration Works
Considerations
Automatic IP configuration feature
That a Switch may change its IP address whilst in use
IP Addressing
Configuration Rules
Glossary
Index
Page
Configuration Rules for Gigabit Ethernet
Configuration Rules
Fast Ethernet configuration rules
Configuration Rules for Fast Ethernet
Appendix a Configuration Rules
This chapter contains the following sections
Network
Simple Network
Segments are connected to the Switch which is positioned
Family and 4900 family can be used in your network
Example
Dual Speed Hub
Switch
Improving
Advanced Network
Resilience of Your
Network
Therefore the overall network performance
Enhancing
Performance
Simple Overview
IP Addresses
IP Address
Obtaining a Registered IP Address
Network Portion
Dotted Decimal Notation
Decimal value of an octet whose bits are all 1s is
Subnet mask
Extending the Network Prefix
Subnet Mask Numbering
Or leave the field blank
Glossary
Glossary
Ethernet
Endstation
Ethernet address
Fast Ethernet
Half duplex
Gateway
Hub
Ieee 802.1D
Line speed See baud
Glossary
Rstp See Rapid Spanning Tree Protocol
STP See Spanning Tree Protocol STP
Page
Glossary
Numbers
Index
Igmp multicast filtering 30 Internet Addresses 85 InterNIC
Sub-networks. See subnets Switch Database
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