Conﬁguring Broadcast Suppression | Cabletron Systems 2.2 instruction

Bridging

NOTE

When you Þrst open the SmartTrunk ConÞguration and Status Screen, the Enable and Disable Port # X Þeld will be labeled SmartTrunk State Port #. After you click on a port number in the list box, the Þeld title will change to Enable and Disable Port # X.

Conﬁguring Broadcast Suppression

Excessive broadcasts to all ports, or broadcast storms, can result in severe network performance problems, and possibly cause the network to crash. Devices which support the broadcast suppression feature provide automatic protection against broadcast and multicast storms.

In many ways, broadcast suppression is similar to Þltering. To protect against storms, an acceptable rate for broadcast trafÞc across a port is deÞned. Once the user-deÞned threshold has been reached on an interface, broadcast frames will be dropped and an SNMP trap message will be sent to the network management station.

To access the Broadcast Suppression window:

1.Click on the Device menu from the Chassis View window.

2.Click on Broadcast Suppression. The Broadcast Suppression window, Figure 2-30, will appear.

Figure 2-30. The Broadcast Suppression Window

In the Broadcast Suppression Window, each interface of the device that is being monitored can be individually conÞgured for automatic broadcast and multicast storm protection.

2-88	Conﬁguring Broadcast Suppression

Image 106

Cabletron Systems 2.2 manual Conﬁguring Broadcast Suppression

Contents

Bridge/Router Interface Brim User’s Guide Page Virus Disclaimer Restricted Rights Notice Contents Contents Chapter ATM Conﬁguration Chapter Fddi ApplicationsChapter WAN Applications Index Contents Introduction Using the Brim User’s Guide BRIM-E100 Related Manuals Brim Management Applications Using the Mouse Software Conventions Left Mouse Button Right Mouse Button IP Address Common Device Window FieldsDevice Name Location Using Window Buttons Accessing On-line Documentation Using On-line HelpGetting Help Getting Help from the Cabletron Systems Global Call Center Hours a day, 365 days a year Introduction Getting Help Bridging Basics About Transparent Bridging About Source Route Bridging Bridging About Source Route-Transparent Bridges About Source Route-Translational Bridges Viewing and Managing Bridging Interfaces Bridging Bridge Status Window Bridge Status Window Up Time Interface Type Accessing Bridge Status Window OptionsBridge State on Interface Bridge Address Bridging Bridging Bridging Bridging Enabling and Disabling Bridging Enabling and Disabling All Installed InterfacesEnabling and Disabling Individual Interfaces Bridge Statistics Performance Graphs Bridging Filtered Magenta Errors RedFrames Forwarded Green Xmitted Blue Bridge Detail Breakdown Filtered ErrorsFrames Forwarded Xmitted Forwarded to Interface StatisticsForwarded from Address DescriptionType Non-Unicast ErrorUnicast Discarded Receive Errors Csmacd Statistics Transmission Errors Collision Errors PPP Link Statistics Errors Statistics Dot5 Errors Line Errors Burst Errors Token Errors Internal ErrorsCongestion Errors Soft Errors Source Route Statistics Received Frames Transmitted Frames Discards Spanning Tree Bridge Level Bridge Priority Root Port Root BridgeRoot Cost Protocol Bridge Port Level Designated Root Path CostDesignated Cost Designated Bridge Changing Bridge Priority Conﬁguring Spanning TreeChanging the Spanning Tree Algorithm Protocol Type Changing Hello Time Changing Forwarding Delay TimeChanging Max Age Time Changing Port Priority Filtering DatabaseChanging Path Cost Bridging 11. The Filtering Database Window Capacity ListNumber Aging Time Port Filtering Conﬁguring the Filtering DatabaseAltering the Aging Time Changing the Port Filtering Action Changing the Type of EntryChanging the Receive Port Adding or Deleting Individual Entries Special Filter Databases Clearing All Permanent, Static, or Dynamic Entries Ethernet and Token Ring Special Filter Database Windows Special Filter Database Window EnableFile Data Type Destination AddressSource Address Data Offset Deﬁning and Editing Filters in the Special Database Changing the Receive Ports Setting the Port Filtering ActionChanging the Port Filtering Action Saving a Set of Filters to a File Enabling and Disabling a FilterClearing the Port Filtering Action Interface Conﬁguration Transparent Bridge MethodsSource Routing Protocol Transmission Methods Setting the Bridge MethodNetBIOS Source Route Transparent Source Route Conﬁguration 16. Source Route ConÞguration Window Source Routing Information Source Route Conﬁguration Subnet Mask Hop Count Limit Local SegmentTarget Segment Spanning Tree Expl Spanning Tree Mode Bridge Number Using the Find Source Address Feature Making and Setting Changes Using the Port Source Addresses Window Setting the Aging Time Using the Token Ring Bridge and Port Conﬁguration Windows Bridging Virtual Ring Number Ring Number Ring Speed Port ModeNovell Translation Bridge Mode/Explorer Type Source Route/STE Duplex Modes Interface Duplex Modes WindowFull Duplex Setting the Duplex Mode Ethernet Port Conﬁguration Standard Mode Fast Ethernet Port Conﬁguration Bridging Port Type Current Operational ModeDesired Operational Mode Link State Setting the Operational Mode for the FE-100TX Sonet Port Conﬁguration Setting the Operational Mode for the FE-100FXSONET/SDH Conﬁguration Sonet SONET/SDH Statistics Bridging 26. The SONET/SDH Statistics Window Errors Statistics Bridging Conﬁguring SmartTrunking 27. The SmartTrunk ConÞguration and Status Window Mode PortName SmartTrunk State Bridging Conﬁguring Broadcast Suppression Token Ring Bridge Mode Setting Token Ring Bridge Mode Setting Bridge Translation Enabling and Disabling Auto and Dual Translate Modes 32. Bridge Translation Window Conﬁguring Token Ring Packet Translation Conﬁguring Novell Token Ring Packet Translation IBM Translation Table Index State Snap Translation Table Conﬁguring Snap Translation Using the Novell Translation Window Bridging Using the Physical View Windows for the Etwmim Ethernet Port Physical View Active Port Epim Type Token Ring Port Physical View 41. Token Ring Port Physical View Ring State FNB State Active Monitor Bridging 104 Using the Physical View Windows for the Etwmim Fddi Applications Accessing the Fddi Menu Conﬁguration Window MAC State Neg. Negotiated SMT VersionReq. Requested Target Token Rotation Time Concentrator M Ports Number of MACs Connection Policy WindowConcentrator Non-M Ports MAC Path Connection Policy Window 15 32,768 Ð a permanently set value for this bit Station List Window Address ModeNumber of Nodes Node Class Upstream Neighbor Transmit Frames Fddi Performance WindowReceive Frames Frame Errors Setting the Time IntervalRing Ops Fddi Applications Fddi Performance Window Accessing the WAN Status Windows WAN Applications Current Active Viewing WAN Interface StatusCurrent Primary Conﬁguring the Synchronous Connection Desired Primary Clock Source InspeedOutspeed State Change Line Type Conﬁguring T-1 PortsWAN Port Name Line Coding Circuit ID Loopback ModeSignal Mode Xmt Clock Source Using the T1 FracTable Conﬁguration Window Interface LineCoding Max Bandwidth ChannelsConﬁguring the Fractional Table Restoring a Fractional Table Changing the Interface Line Coding Displaying the WAN Logical View Compression Changing WAN Logical Settings CRC Length Synchronous Admin/Status Viewing the WAN Port Admin/StatusOperational Status Oper and Admin T1 Admin/StatusAdmin Status WAN Interfaces Enabling and Disabling WAN T1 Interfaces Displaying Synchronous Port StatisticsFrame Check Receive OverRuns Total ErrorsXmit UnderRuns Interrupted Frames WAN Applications Displaying Synchronous Port Statistics Accessing the ATM Connections Window ATM Conﬁguration Settings Connection Data Conﬁguring Connections VPI Adding a New Connection Deleting a Connection ATM Conﬁguration Conﬁguring Connections Index Index-2 Index-3 Index-4 Index-5 Index Index-6