3Com 3 manual Add port 12 on Switch 1 to the VLANs, Add endstation ports on Switch 2 to the VLANs

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68CHAPTER 8: SETTING UP VIRTUAL LANS

3Add port 12 on Switch 1 to the VLANs

Add port 12 on Switch 1 as a tagged member of both VLANs 1 and 2 so that all VLAN traffic is passed over the link to Switch 2.

4Configure the VLANs on Switch 2

Define VLAN 2. VLAN 1 is the default VLAN and already exists.

5Add endstation ports on Switch 2 to the VLANs

Place the endstation ports in the appropriate VLANs as untagged members.

6Add port 11 on Switch 2 to the VLANs

Add port 11 on Switch 2 as a tagged member of both VLANs 1 and 2 so that all VLAN traffic is passed over the link to Switch 1.

7Check the VLAN membership for both switches

The relevant ports should be listed in the VLAN members summary.

8Connect the switches

Connect port 12 on Switch 1 to port 11 on Switch 2.

The VLANs are now configured and operational and the endstations in both VLANs can communicate with their relevant servers.

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Contents SuperStack 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Using Multicast Filtering Status Monitoring and Statistics IP Addressing About this Guide Conventions List conventions that are used throughout this guideRelated DocumentationComments Pddtechpubscomments@3com.comProduct RegistrationSwitch Features Page What is Switch FeaturesManagement Software?Switch Features Overview Ports operating at 1000 Mbps only support full duplex mode For more information about multicast filtering, see UsingDuplex Flow ControlFor more information about STP and RSTP, see Using Resilience FeaturesEvent Notification Quality of ServiceFor 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 Using Multicast Filtering Relevant multicast groupUsing Multicast Filtering Query Mode Query modeSnooping Mode Igmp v2 protocol That support IPIgmp multicast filtering works as follows Enabling Igmp Multicast LearningIgmp Multicast Filtering Using Multicast Filtering Network Spanning TreeProtocol 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 LinkConfiguration 2 Redundancy through Meshed Backbone STP configurations Default Behavior Using STP on aNetwork with Multiple VLANsConfiguration that separates VLANs Using Resilience Features What is the Switch How SwitchDatabase? Database EntriesSwitch Database Entry States Databases entries can have three statesWhat is Traffic Prioritization?Available Converged network applications Used by organizations with a802.1D Priority Levels How Traffic Prioritization Works Your Switch Traffic PrioritizationHow traffic is processed to provide Quality of Service Configuring traffic prioritization for QoS on a SwitchUsing 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 AlarmsEvents Switch RmonLow 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 ease the movement of devices on networks VLANs provide extra securityVLANs help to control traffic Membership Creating an Ieee 802.1Q Tagged LinkTwo Vlans connected via a router Configuration Using UntaggedConfigure the VLANs ExamplesAdd ports to the VLANs Configure the VLANs on SwitchAdd endstation ports on Switch 1 to the VLANs Add port 12 on Switch 1 to the VLANs Add endstation ports on Switch 2 to the VLANsAdd port 11 on Switch 2 to the VLANs Check the Vlan membership for both switchesConfiguration How Your Switch Obtains IPInformation How Automatic IPHow Automatic IP Configuration Works Considerations Automatic IP configuration featureThat a Switch may change its IP address whilst in use Configuration Rules IP AddressingGlossary IndexPage Configuration Rules Configuration Rules for Gigabit EthernetFast Ethernet configuration rules Configuration Rules for Fast Ethernet Appendix a Configuration Rules Network This chapter contains the following sectionsSegments are connected to the Switch which is positioned Simple NetworkFamily and 4900 family can be used in your network ExampleDual Speed Hub Switch Advanced Network ImprovingResilience of Your NetworkTherefore the overall network performance EnhancingPerformance IP Addresses Simple OverviewObtaining a Registered IP Address IP AddressNetwork Portion Dotted Decimal NotationDecimal value of an octet whose bits are all 1s is Subnet mask Subnet Mask Numbering Extending the Network PrefixOr leave the field blank Glossary Glossary Endstation EthernetEthernet address Fast EthernetGateway Half duplexHub Ieee 802.1DLine speed See baud Glossary Rstp See Rapid Spanning Tree Protocol STP See Spanning Tree Protocol STP Page Glossary Index NumbersIgmp multicast filtering 30 Internet Addresses 85 InterNIC Sub-networks. See subnets Switch Database

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