Allied Telesis AT-8000S manual Enabling Storm Control

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Allied Telesis AT-8000S Switch

Web Browser Interface User’s Guide

Enabling Storm Control

Storm control limits the amount of unknown Unicast, Multicast and Broadcast frames accepted and forwarded by the device. When Layer 2 frames are forwarded, Broadcast, and Multicast frames are flooded to all ports on the relevant VLAN. This occupies bandwidth, and loads all nodes on all ports.

A Broadcast Storm is a result of an excessive amount of broadcast messages simultaneously transmitted across a network by a single port. Forwarded message responses are heaped onto the network, straining network resources or causing the network to time out.

Storm control is enabled for all ports by defining the packet type and the rate the packets are transmitted. The system measures the incoming Broadcast and Multicast frame rates separately on each port, and discards the frames when the rate exceeds a user-defined rate. The Storm Control Page provides fields for configuring broadcast storm control.

To enable storm control:

1.Click Network Security > Storm Control. The Storm Control Page opens:

Figure 31: Storm Control Page

The Storm Control Page displays the Zoom View of device ports.

2.Select a port to configure. The port indicator changes to Port is selected (white).

3.Click Modify. The Storm Control Configuration Page opens:

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Contents AT-8000S Series Layer Ethernet SwitchTable of Contents Configuring Ports Configuring Power Over Ethernet 126 176 Table of Contents Web Browser Interface User’s Guide PrefaceWeb Browser Interface User’s Guide Overview Web Browser Interface User’s Guide OverviewIntended Audience Online Support Document ConventionsContacting Allied Telesis Contacting Allied Telesis Starting the Application Click Login. The Embedded Web System Home Page opensGetting Started Starting the Application Click Configuration. The System General Page opensViewing the Device Representation Using the Web Browser InterfaceClick Layer 1 Port Settings. The Port Settings Page opens User Interface Components Using the Web Browser InterfaceInterface Components Component DescriptionButton Button Name Description Using the Management ButtonsConfiguration Management Buttons Add Local User Adding, Modifying and Deleting InformationLogging Out Saving ConfigurationsResetting the Device Resetting the DeviceClick System General. The System General Page opens Defining System InformationDefining System Information Configuring System Time Configuring System Time Click System System Time. The System Time Page opens Setting the System ClockConfiguring Sntp Configuring SntpPolling for Unicast Time Information Polling for Anycast Time InformationDefine the Server IP Address and the Poll Interval fields Configuring Daylight Saving TimeConfiguring Daylight Saving Time Configuring Device Security Configuring Management Security Configuring Management SecurityHttp Defining Access ProfilesClick Add. The Add Access Profile Page opens Add Access ProfileAllied Telesis AT-8000S Switch Profile Rules Defining Profile RulesClick Add. The Add Profile Rule Page opens Add Profile RuleClick Modify. The Profiles Rules Configuration Page opens Profiles Rules ConfigurationAuthentication Profiles Defining Authentication ProfilesClick Add. The Add Authentication Profile Page opens Enter the Profile Name Add Authentication ProfileAuthentication Mapping Mapping Authentication ProfilesDefine the Console, Telnet, and Secure Telnet SSH fields Configuring Server Based AuthenticationConfiguring TACACS+ TACACS+ Configuration Add TACACS+ Radius Configuration Configuring RadiusAdd Radius Click Mgmt. Security Local Users. The Local Users Page opens Configuring Local UsersClick Create. The Add Local User Page opens Click Modify. The Local User Configuration Page opensConfiguring Network Security Configuring Network SecurityManaging Port Security Network Security OverviewPort Security Click Modify. The Port Security Configuration Page opensPort Security Configuration 802.1x Port Access Defining 802.1x Port AccessClick Settings. The Port Authentication Settings Page opens Click Enable Port AccessSelect the Authentication Method Configuring Device Security Enabling Storm Control Click Modify. The Storm Control Configuration Page opensStorm Control Configuration Configuring Ports Click Modify. The Modify Port Settings Page opens Defining Port SettingsDefining Port Settings Modify Port Settings Configuring Ports Allied Telesis AT-8000S Switch Click Layer 1 Port Mirroring. The Port Mirroring Page opens Configuring Port MirroringConfiguring Port Mirroring Click Modify. The Modify Mirror Page opens Click Enable MirrorTo modify or delete a port mirror Aggregating Ports Aggregating Ports Defining Trunk SettingsClick Layer 1 Port Trunking. The Trunk Settings Page opens Click Modify. The Trunk Settings Page opens Trunk Configuration SettingsConfiguring Ports Allied Telesis AT-8000S Switch Port Trunking Defining Port TrunkingModify Trunk Click Modify. the Modify Lacp Settings Page opens Configuring LacpConfiguring Interfaces Click Layer 2 MAC Address. The MAC Address Page opens Defining MAC AddressesDefining MAC Addresses Click Add. The Add MAC Address Page opens Add MAC AddressClick Close. The View MAC Address Table Page is displayed View MAC Address TableConfiguring VLANs Defining Vlan Properties Configuring VLANsAllied Telesis AT-8000S Switch Click Layer 2 Vlan Interface. The Vlan Interface Page opens Defining Vlan Interface SettingsClick Modify. The Modify Interface Configuration Page opens Modify Interface ConfigurationDefining Gvrp Configuring GvrpClick Modify. The Gvrp Port Configuration Page opens Select Enable GvrpDefine the Gvrp State and Gvrp Registration fields Enabling/Disabling Gvrp on a PortConfiguring System Logs System Log Severity Levels Description Message Defining Log SettingsDefining Log Settings Event Log Clearing Event Logs Configuring Log ServersClearing Event Logs Click Create. The Add Syslog Server Page opensClick Modify. The Modify Event Log Output Page opens Setting System Log DisplayViewing Flash Logs Viewing Flash LogsConfiguring Spanning Tree Defining STP Properties Configuring Classic Spanning TreeConfiguring Classic Spanning Tree Complete the Spanning Tree State and Bridge Settings fields Click Layer 2 Spanning Tree. The Spanning Tree Page opens Click Configure. The STP Interface Configuration Page opensDefining STP Interfaces Allied Telesis AT-8000S Switch STP Modify Interface Configuration Rstp Configuring Rapid Spanning TreeModify Rstp Configuring Rapid Spanning TreeConfiguring Multiple Spanning Tree Define the Region Name, Revision, and Max Hops fields Configuring Multiple Spanning TreeDefining Mstp Properties Defining Mstp Interfaces Mstp Interface SettingsConfiguring Spanning Tree Defining Mstp Instances Mstp Instance SettingsConfiguring Spanning Tree Configuring Multicast Forwarding Configuring Igmp Snooping Configuring Igmp SnoopingClick Modify. The Igmp Snooping Settings Page opens Igmp Snooping SettingsDefining Multicast Bridging Groups Defining Multicast Bridging GroupsClick Modify. The Modify Multicast Group Page opens Check the Enable Bridge Multicast Filtering checkboxClick Create. The Add Multicast Group Page opens Defining Multicast Forward All Settings Defining Multicast Forward All SettingsClick Modify. The Modify Multicast Forward All Page opens Modify Multicast Forward AllConfiguring Multicast Forwarding Configuring Snmp Snmp Overview Snmp OverviewSnmp Global Enabling SnmpEnabling Snmp Snmp Communities Basic Table Defining Snmp CommunitiesDefining Snmp Communities Click Modify. The Snmp Community Settings Page opensSnmp Group Defining Snmp GroupsClick Modify. The Modify Snmp Group Profile Page opens Defining Snmp GroupsClick Create. The Create Snmp Group Profile Page opens Snmp Users Defining Snmp UsersDefining Snmp Users Click Modify. The Snmp User Settings Page opensClick Create. The Add Snmp VIew Page opens Defining Snmp ViewsDefining Snmp Views Add Snmp VIewDefining Notification Recipients Configuring Snmp NotificationsSNMPv1,2c Notification Recipient Configuring Snmp NotificationsCreate Snmp Notification Recipient Defining Notification FiltersSnmp Notification Filter Settings Configuring Power Over Ethernet Enabling PoE and Setting the Power Threshold Enabling PoE and Setting the Power ThresholdDefining PoE Settings Modify PoE Defining PoE SettingsModify the Admin Mode and Priority Level fields Configuring Power Over Ethernet Configuring Services Enabling Class of Service CoS Enabling Class of Service CoSClick Modify. The CoS Configuration Page opens CoS ConfigurationConfiguring CoS Priorities Configuring CoS PrioritiesClick Configure CoS Select the Configure CoS Priority to Egress Queues valuesClick Configure. The Configure CoS Page opens Mapping QueuesClick Configure Dscp Select the Configure Dscp Priority valuesClick Configure. The Configure Dscp Page opens Mapping Dscp Values to QueuesClick Services Bandwidth. The Bandwidth Page opens Configuring Bandwidth QoSClick Modify. The Bandwidth Configuration Page opens Configuring Bandwidth QoSManaging System Files Restoring the Default Configuration Restoring the Default ConfigurationClick Apply in the Reset to Factory Defaults section Check the Reboot Switch After Resetting to Defaults optionClick Utilities File System The File System Page opens Defining Tftp File Uploads and DownloadsDefining Tftp File Uploads and Downloads Select the Source and the Destination Unit Click Utilities Cable Test. The Cable Test Page opens Viewing Integrated Cable TestsViewing Integrated Cable Tests Copper Cables Extended Feature Viewing Optical Transceivers Viewing Optical TransceiversSelect the Reset Unit No ResetResetting the Device Viewing Statistics Viewing Interface Statistics Viewing Interface StatisticsViewing Interface Statistics Receive Statistics Etherlike Statistics Viewing Etherlike StatisticsOpen the Etherlike Statistics Managing Rmon Statistics Managing Rmon StatisticsViewing Rmon Statistics Allied Telesis AT-8000S Switch Click Rmon History. The Create History Entry Page opens Configuring Rmon HistoryClick Statistics Rmon History. The Rmon History Page opens Create History Entry Click Modify. The History Control Settings Page opensClick View. The Rmon History Table Page opens Viewing the Rmon History TableAllied Telesis AT-8000S Switch Click Statistics Rmon Events. The Rmon Events Page opens Configuring Rmon EventsDefine the Community, Description, Type and Owner fields Click Modify. The Event Control Settings Page opensClick Create. The Create Event Entry Page opens Click View. The Rmon Events Logs Page opens Viewing the Rmon Events LogsRmon Alarm Defining Rmon AlarmsAdd Alarm Click Modify. The Rmon Alarm Settings Page opens Rmon Alarm SettingsViewing Statistics Managing Stacking Stacking Ring Topology Stacking OverviewStacking Chain Topology Stacking OverviewRemoving and Replacing Stacking Members Stacking Members and Unit IDExchanging Stacking Members Enhanced Stacking Configuring Stacking ManagementConfiguring Stacking Management Appendix A. Downloading Software with CLI Connecting a TerminalInitial Configuration Static IP Address and Subnet Mask ConfigurationInitial Configuration Downloading Software System software file file1 Boot file fileUser Name Standalone Device Software DownloadDownloading Software Stacking Member Software DownloadAllied Telesis AT-8000S Switch Console# copy unit//1/image unit//4/image Appendix B. System Defaults Port Defaults RS-232 Port SettingsConfiguration Defaults Security DefaultsAddress Table Defaults System Time DefaultsSpanning Tree Defaults Trunking Defaults Vlan DefaultMulticast Defaults Vlan DefaultIndex SymbolsAccess profiles Sntp

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