3Com 2816-SFP Plus (3C16485), DUA 1648-5AAA02 manual VLANs, Advanced Port Configuration Screen

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Speed Duplex — Shows the current speed and duplex mode. (Auto or fixed choice)

In the Advanced Port Configuration page you can set the Switch’s broadcast storm control and threshold limits.

Figure 11 Advanced Port Configuration Screen

Broadcast Storm Control — Shows if broadcast storm control is enabled or disabled.

Packet Rate Threshold — Shows the broadcast storm threshold. (500 - 15000 packets per second)

VLANs

The Switch uses VLANs to organise any group of ports into separate broadcast domains. VLANs confine broadcast traffic to the originating group and can eliminate broadcast storms in large networks. This also provides a more secure and cleaner network environment.

You can create up to 256 VLANs, and either add specified ports to a chosen VLAN so that the port can only communicate with other ports on the VLAN, or specify that a port can belong to all VLANs.

Communication between different VLANs can only take place if they are all connected to a router or Layer 3 Switch.

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Contents DUA1648-5AAA02 3Com Baseline Switch 2816-SFP Plus 3C16485 User GuideUnited States Government Legends Contents Technical Support Using DiscoveryNaming Convention About this GuideConventions Product Registration Feedback about this User GuidePddtechpubscomments@3com.com Introduction Baseline Switch 2816-SFP PlusPackage Contents Front Panel Features HOW to USE the Baseline Switch 2816-SFP PlusFront and Rear Panels RJ-45 10/100/1000 PortsLink/Activity Status LEDs SFP PortsStatus Meaning Rear Panel Features Page Positioning the Switch Installation RecommendationsPower Supply Power UpSpot Checks Connecting to a Network DeviceSFP Operation Approved SFP TransceiversAppropriate Gigabit Ethernet connection Removing an SFP TransceiverPage Introduction Mounting KIT InstructionsRack Mounting the Units Page How Your Switch Obtains IP Information Automatic IP ConfigurationHow Automatic IP Configuration Works Automatic ProcessSwitch repeats until an unused IP address is found Navigating Through the Switch Configuration Pages Switch ConfigurationMain Menu Option TabsFan Status Summary ScreenIP Settings PasswordBasic Port Configuration Screen Port ConfigurationVLANs Advanced Port Configuration ScreenDesktop Vlan Configuration Example Vlan Configuration ExamplesUplink Vlan Configuration Example Delete VLANs Create VLANsMembership VLANs Modify VLANsGuidelines for creating Trunks TrunkingTrunking Membership Screen System Tools Traffic MonitoringRestart Upgrade ConfigurationTaking place Spanning Tree Screen Spanning TreePriority Level Traffic Type 802.1p Prioritization802.1p Prioritization screen SupportPage Windows Installation 95/98/XP/2000/2003 Server/NT Using DiscoveryRunning the Discovery Application Discovered Switch All ports appear to show continual activity Problem SolvingFirmware image has become corrupted Fail Safe Mode ScreenIf the problem persists Page Power Cord Set Safety InformationFrance et Pérou uniquement Linformation DE Sécurité ImportanteCordon électrique Wichtige Sicherheitsinformationen Page Related Standards Technical InformationEnvironmental PhysicalPage Purchase Value-Added Services Contact Us Purchase Value-Added ServicesTechnical Support Asia, Pacific Rim Telephone Technical Support and Repair Telephone Technical Support and RepairLatin America Telephone Technical Support and Repair US and Canada Telephone Technical Support and Repair Glossary Category 6 Cables Category 5e CablesClient EthernetIeee 802.1p Ieee 802.1QIeee 802.3ad IP AddressMAC Address SwitchNetwork PingTrunking Traffic MonitoringPage Numbers IndexConfiguring Configuration example 25 create a Delete a 28 modify a Page Regulatory Notices Part Number DUA1648-5AAA02 Published September