Displaying the DNS Cache Web | AMX NXA-ENET24 specs

Configuring Domain Name Service

Displaying the DNS Cache - Web

Select DNS, Cache.

FIG. 188 Web - Displaying the DNS Cache

Displaying the DNS Cache - CLI

This example displays all the resource records learned from the designated name servers.

Console#show dns cache384
NO	FLAG	TYPE	IP	TTL	DOMAIN
0	4	CNAME	207.46.134.222	51	www.microsoft.akadns.net
1	4	CNAME	207.46.134.190	51	www.microsoft.akadns.net
2	4	CNAME	207.46.134.155	51	www.microsoft.akadns.net
3	4	CNAME	207.46.249.222	51	www.microsoft.akadns.net
4	4	CNAME	207.46.249.27	51	www.microsoft.akadns.net
5	4	ALIAS	POINTER TO:4	51	www.microsoft.com
6	4	CNAME	207.46.68.27	71964	msn.com.tw
7	4	ALIAS	POINTER TO:6	71964	www.msn.com.tw
8	4	CNAME	65.54.131.192	605	passportimages.com
9	4	ALIAS	POINTER TO:8	605	www.passportimages.com
10	4	CNAME	165.193.72.190	87	global.msads.net
Console#

158	NXA-ENET24 - Software Management Guide

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AMX NXA-ENET24 manual Displaying the DNS Cache Web, Displaying the DNS Cache CLI

NXA-ENET24 specifications

The AMX NXA-ENET24 is a versatile and powerful networked control interface designed to meet the growing demands of modern AV systems. This network switch offers an exceptional combination of reliability, performance, and scalability, making it an ideal choice for professional environments such as conference rooms, educational facilities, and control rooms.

One of the key features of the NXA-ENET24 is its 24-port configuration, allowing for extensive connectivity options. Each port supports 10/100/1000 Mbps speeds, ensuring that high bandwidth applications are handled with ease. Additionally, the switch incorporates advanced auto-negotiation technology, which automatically configures the optimal speed and duplex mode for connected devices. This ensures seamless connectivity and minimizes the risk of network disruptions.

The NXA-ENET24 is designed with advanced management capabilities, including support for VLANs, which helps to segment network traffic for enhanced security and performance. Network administrators can easily create virtual local area networks to optimize traffic flow and reduce congestion. This feature is particularly beneficial in environments where multiple AV systems operate concurrently.

Another significant characteristic of the NXA-ENET24 is its support for Power over Ethernet, or PoE. This feature enables the switch to deliver electrical power alongside data through the network cables. As a result, devices such as IP cameras, VoIP phones, and wireless access points can be powered directly from the switch, simplifying deployment and reducing the need for additional power sources.

Monitoring and management of the switch are made easier through a user-friendly interface. The NXA-ENET24 supports SNMP for network management, allowing users to monitor performance metrics, configure settings, and receive alerts in case of issues. This level of oversight is crucial for maintaining the stability of AV systems in mission-critical applications.

Durability is another hallmark of the NXA-ENET24 design. The switch features a robust chassis that is engineered to withstand the rigors of professional use. With cooling mechanisms in place and a fanless design, the NXA-ENET24 operates quietly and efficiently, making it suitable for environments where noise is a concern.

In conclusion, the AMX NXA-ENET24 is a powerful, reliable, and feature-rich network switch that effectively supports modern AV applications. With its extensive connectivity options, advanced management capabilities, PoE support, and durable design, it is an excellent choice for integrators and organizations looking to optimize their network infrastructure.

Contents

NXA-ENET24 AMX Limited Warranty and Disclaimer Table of Contents Console Port Settings Setting the IP AddressSaving or Restoring Configuration Settings Telnet Settings Setting the Time Zone Resetting the SystemSetting the System Clock Setting Community Access Strings Setting SNMPv3 Views Configuring SNMPv3 UsersConfiguring SNMPv3 Groups Overview Configuring User Accounts Displaying and Configuring the 802.1x Global Setting Configuring Port SecurityConfiguring 802.1x Port Authentication Configuring Port Settings for Configuring a MAC ACL Mask Configuring ACL MasksConfiguring an IP ACL Mask Configuring Interface Connections Configuring Port Mirroring Statically Configuring a TrunkShowing Port Statistics 100 Overview 109 Overview 105Overview 113 Private VLANs 132 Overview Ieee 802.1Q VLANs 123Overview 137 Multicast Filtering 149 Overview 149 Command Groups 164 Line Commands 165 Entering Commands 160Overview 155 General Commands 169 System Management Commands 171 196 Flash/File Commands 193Authentication Commands 199 Radius Client 200 Access Control List Commands 209 Port Security Commands 203802.1x Port Authentication 205 IP ACL Commandss 210 Link Aggregation Commands 239 Interface Commands 231Mirror Port Commands 237 238 Gvrp and Bridge Extension Commands 262 Vlan Commands 255Configuring Private VLANs 259 Priority Commands 264 IP Interface Commands 275 Multicast Filtering Commands 271DNS Commands 278 Table of Contents Xviii NXA-ENET24 Software Management Guide Feature Description Key FeaturesKey Features Static and dynamic address configuration, proxy ARP Description of Software Features Introduction Software Features Software SpecificationsSoftware Specifications Power Over Ethernet Management Features Standards Sntp RFC SSH Version Management Information Bases SNMP-MPD MIB RFC System Defaults System DefaultsFunction Parameter Default Lacp Clock Synchronization Disabled Additional Documentation Connecting to the Switch Initial ConfigurationConfiguration Options Required Connections Remote Connections Setting an IP Address Basic ConfigurationSetting Passwords Console Connection Manual Configuration Dynamic Configuration Enabling Snmp Management Access Community Strings Managing System Files Saving Configuration SettingsTrap Receivers Configuring Power over Ethernet Dhcp Relay Initial Configuration NXA-ENET24 Software Management Guide Overview Web InterfaceNavigating the Web Browser Interface Home Configuration OptionsButton Action Panel Display Switch Main MenuMain Menu Menu Description Security Port Spanning Tree Menu PoE DescriptionAddress Table Private Vlan Vice value Menu Description PriorityIgmp Snooping Displaying System Information Web Basic ConfigurationDisplaying System Information Field Attributes Displaying System Information CLI Displaying Switch Hardware/Software VersionsField Attributes Displaying Switch Hardware/Software Versions CLI Displaying Switch Hardware/Software Versions WebDisplaying Bridge Extension Capabilities Displaying Bridge Extension Capabilities Web Setting the IP AddressDisplaying Bridge Extension Capabilities CLI Manual Configuration CLI Command AttributesManual Configuration Web Command Attributes Using DHCP/BOOTP CLI Using DHCP/BOOTP WebRenewing Dchp File Transfer Method Managing FirmwareDownloading System Software from a Server Web File Name Downloading System Software from a Server CLI Deleting Files Command Usage Saving or Restoring Configuration SettingsPoE controller PDController file Downloading Configuration Settings from a Server Web Downloading Configuration Settings from a Server CLI Console Port Settings 233 Console Port Settings Web Console Port Settings CLI Telnet Settings Web Telnet SettingsFor specific user-name accounts the default Telnet Settings CLI Enabling Telnet CLI Logging Levels Configuring Event LoggingSystem Log Configuration Logging Levels System Log Configuration Web Remote Logs ConfigurationSystem Log Configuration CLI Displaying Log Messages Remote Logs Configuration WebRemote Logs Configuration CLI Displaying Log Messages Web Sending Smtp Alerts Displaying Log Messages CLI Sending Smpt Alerts Web Sending Smpt Alerts CLI Resetting the System Web Resetting the SystemSetting the System Clock Resetting the System CLI Setting the Time Zone Web Setting the Time ZoneSetting the System Clock CLI Setting the Time Zone CLIPage SNMPv3 Security Models and Levels Snmp ProtocolSNMPv3 Security Models and Levels Model Level Group Read View Write View Security Enabling Snmp Setting Community Access StringsSetting Community Access Strings Web Enabling Snmp Web Specifying Trap Managers and Trap Types Web Setting Community Access Strings CLISpecifying Trap Managers and Trap Types Specifying Trap Managers and Trap Types CLI Configuring SNMPv3 Users Configuring SNMPv3 Management AccessSetting an Engine ID Setting an Engine ID Web Configuring SNMPv3 Users Web Configuring SNMPv3 Users CLI Configuring SNMPv3 Groups Web Configuring SNMPv3 GroupsConfiguring SNMPv3 Groups CLI Type Setting SNMPv3 ViewsSetting SNMPv3 Views Web From the Snmp view Setting SNMPv3 Views CLI 295 Configuring User Accounts User AuthenticationConfiguring User Accounts Web Configuring Local/Remote Logon Authentication Configuring User Accounts CLI Command Attributes Authentication Settings Web Authentication Settings CLI Https Support Configuring HttpsHttps Support Internet Explorer 5.0 or later Configuring Https Web Replacing the Default Secure-Site CertificateConfiguring the Secure Shell Configuring Https CLI Switch supports both SSH Version 1.5 Configuring the Secure Shell Web Generating the Host Key Pair Timeout Configuring the SSH ServerConfiguring the Secure Shell CLI Range 1 to 120 seconds Configuring the SSH Server Web Configuring Port SecurityConfiguring the SSH Server CLI Configuring Port Security CLI Configuring Port Security WebPort Port number Name Descriptive text Configuring 802.1x Port Authentication Requirements Displaying and Configuring the 802.1x Global Setting Web Displaying and Configuring the 802.1x Global SettingConfiguring Port Settings for Displaying and Configuring the 802.1x Global Setting CLI Configuring Port Settings for 802.1x Web Configuring Port Settings for 802.1x CLI CLI 802.1x Port Configuration 802.1x Statistics Displaying 802.1x StatisticsDisplaying 802.1x Statistics Web Parameter Description Filtering Addresses for Snmp Client Access Displaying 802.1x Statistics CLI Filtering Addresses for Snmp Client Access Web Filtering Addresses for Snmp Client Access CLI Setting the ACL Name and Type Configuring ACLsConfiguring Access Control Lists Name Type Setting the ACL Name and Type Web Configuring a Standard IP ACLSetting the ACL Name and Type CLI Configuring a Standard IP ACL CLI Configuring a Standard IP ACL WebConfiguring an Extended IP ACL Command Attributes Configuring an Extended IP ACL Web Configuring an Extended IP ACL CLI Configuring a MAC ACL Configuring a MAC ACL Web Configuring a MAC ACL CLI Configuring ACL MasksSpecifying the Mask Type Configuring ACL Masks CLI Configuring an IP ACL MaskConfiguring ACL Masks Web Control flags of rule must match this bitmask Configuring an IP ACL Mask Web Configuring a MAC ACL MaskConfiguring an IP ACL Mask CLI Configuring a MAC ACL Mask CLI Configuring a MAC ACL Mask WebBinding a Port to an Access Control List Web Binding a Port to an Access Control List CLI Mapping ACLs to Port Ingress/Egress Queues Filtering IPs for Management Access Filtering IP Addresses for Management Access Web Filtering IP Addresses for Management Access CLI 198 Field Attributes CLI Port ConfigurationDisplaying Connection Status Web Field Attributes Web Displaying Connection Status CLI Current status Configuring Interface Connections Admin Configuring Interface Connections CLI Configuring Interface Connections WebCreating Trunk Groups New Statically Configuring a TrunkStatically Configuring a Trunk Web Unit Enabling Lacp on Selected Ports Statically Configuring a Trunk CLIMember List Current Shows configured trunks Unit, Port Unit Stack unit. Range Enabling Lacp on Selected Ports Web Enabling Lacp on Selected Ports CLI System Priority Admin KeyDynamically Creating a Port Channel Port Priority Dynamically Creating a Port Channel Web Dynamically Creating a Port Channel CLI Displaying Lacp Port Counters CLI Displaying Lacp Port CountersDisplaying Lacp Port Counters Web Counter Information Fields Displaying Lacp Local Settings Displaying Lacp Settings and Status for the Local SideDisplaying Lacp Settings and Status for the Local Side Web Admin State Displaying Lacp Settings and Status for the Local Side CLI Displaying Lacp Settings and Status for the Remote SideDisplaying Lacp Settings and Status for the Remote Side Web Displaying Lacp Settings and Status for the Remote Side CLI Setting Broadcast Storm ThresholdsThreshold Setting Broadcast Storm Thresholds Web Configuring Port MirroringSetting Broadcast Storm Thresholds CLI Configuring Port Mirroring CLI Configuring Rate LimitsConfiguring Port Mirroring Web Rate Limit Showing Port Statistics Configuring Rate Limits WebConfiguring Rate Limits CLI Port Statistics Etherlike Statistics Transmit UnicastTransmit Multicast Frames More than one collision Oversize Frames Showing Port Statistics WebByte Frames But including FCS octets Showing Port Statistics CLI This example shows statistics for port Port Configuration 104 NXA-ENET24 Software Management Guide Switch Power Status Power Over Ethernet PoE SettingsSwitch Power Status Web Setting a Switch Power Budget Web Switch Power Status CLISetting a Switch Power Budget Setting a Switch Power Budget CLI Displaying Port Power Status CLI Displaying Port Power Status WebConfiguring Port PoE Power Configuring Port PoE Power Web Configuring Port PoE Power CLI Setting Static Addresses Web Address Table SettingsSetting Static Addresses Setting Static Addresses CLI Displaying the Address Table CLI Displaying the Address TableDisplaying the Address Table Web Changing the Aging Time Changing the Aging Time Web Changing the Aging Time CLIPage Spanning Tree Algorithm Configuration Spanning Tree Algorithm Configuration Displaying Global Settings These additional parameters are only displayed for the CLI Displaying Global Settings Web Configuring Global Settings Root device Command Attributes Basic Configuration of Global SettingsCommand Attributes Root Device Configuration Range 0-61440, in steps Configuring Global Settings CLI Configuring Global Settings WebConfiguration Settings for Rstp Displaying Interface Settings Numeric identifier will be enabled Ing network loops Configuring Interface Settings Displaying Interface Settings WebDisplaying Interface Settings CLI Enables/disables spanning tree on a port Configuring Interface Settings Web Web Configuring Spanning Tree per Port Configuring Interface Settings CLI Overview Ieee 802.1Q VLANs Vlan ConfigurationAssigning Ports to VLANs 124 NXA-ENET24 Software Management Guide Enabling or Disabling Gvrp Web Enabling or Disabling Gvrp Global SettingForwarding Tagged/Untagged Frames Enabling or Disabling Gvrp CLI Displaying Basic Vlan Information CLI Command Attributes WebCommand Attributes CLI Displaying Current VLANs Creating VLANs Displaying Current VLANs CLICreating VLANs Web Creating VLANs CLI Adding Static Members to VLANs Vlan Index Adding Static Members to VLANs CLI Adding Static Members to VLANs WebAdding Static Members to VLANs Port Index Configuring Vlan Behavior for Interfaces Timer Configuring Vlan Behavior for Interfaces WebConfiguring Vlan Behavior for Interfaces CLI Group Displaying Current Private VLANs Private VLANsDisplaying Current Private VLANs Web Configuring Private VLANs CLI Configuring Private VLANsConfiguring Private VLANs Web Displaying Current Private VLANs CLI Displaying Private Vlan Interface Information Associating Community VLANs WebAssociating Community VLANs CLI Displaying Private Vlan Interface Information Web Configuring Private Vlan Interfaces Web Configuring Private Vlan InterfacesDisplaying Private Vlan Interface Information CLI Configuring Private Vlan Interfaces CLI CLI Private Vlan Port Configuration Setting the Default Priority for Interfaces Class of Service ConfigurationSetting the Default Priority for Interfaces Web Egress Queue Priority Mapping Setting the Default Priority for Interfaces CLIMapping CoS Values to Egress Queues CoS Priority Levels Mapping CoS Values to Egress Queues Web Selecting the Queue ModeMapping CoS Values to Egress Queues CLI Setting the Service Weight for Traffic Classes Selecting the Queue Mode WebSelecting the Queue Mode CLI Setting the Service Weight for Traffic Classes Web Selecting IP Precedence/DSCP Priority Web Mapping Layer 3/4 Priorities to CoS ValuesSelecting IP Precedence/DSCP Priority Selecting IP Precedence/DSCP Priority CLI Mapping IP Precedence Web Mapping IP Precedence CLI Mapping Dscp Priority Values Mapping Dscp PriorityMapping Dscp Priority Web IP Dscp Value CoS Value Mapping IP Port Priority Mapping Dscp Priority CLIMapping IP Port Priority Web Copy Settings Carries out the command Copy SettingsPriority Settings Mapping IP Port Priority CLI Mapping CoS Values to ACLs Copy Settings WebCopy Settings CLI CoS to ACL Mapping Changing Priorities Based on ACL Rules Mapping CoS Values to ACLs WebMapping CoS Values to ACLs CLI Port Port identifier Name Name of ACL Changing Priorities Based on ACL Rules Web Changing Priorities Based on ACL Rules CLI Multicast Filtering Layer 2 Igmp Snooping and Query Configuring Igmp Snooping and Query Parameters Configuring Igmp Snooping and Query Parameters CLI Configuring Igmp Snooping and Query Parameters WebDisplaying Interfaces Attached to a Multicast Router Specifying Interfaces Attached to a Multicast Router Displaying Interfaces Attached to a Multicast Router WebDisplaying Interfaces Attached to a Multicast Router CLI Specifying Interfaces Attached to a Multicast Router Web Displaying Port Members of Multicast Services CLI Displaying Port Members of Multicast ServicesDisplaying Port Members of Multicast Services Web Assigning Ports to Multicast Services Assigning Ports to Multicast Services Web Assigning Ports to Multicast Services CLI Configuring Domain Name Service Configuring General DNS Server Parameters Configuring General DNS Server Parameters CLI Configuring General DNS Server Parameters WebConfiguring Static DNS Host to Address Entries Configuring Static DNS Host to Address Entries CLI Configuring Static DNS Host to Address Entries WebDisplaying the DNS Cache Displaying the DNS Cache Web Displaying the DNS Cache CLI Console Connection CLI Command Line InterfaceUsing the Command Line Interface Telnet Connection Keywords and Arguments Entering CommandsCommand Completion Minimum Abbreviation Getting Help on Commands Showing Commands Understanding Command Modes Negating the Effect of CommandsUsing Command History Exec Commands Configuration Commands Configuration CommandsCommand Line Processing Keystroke Commands Command Groups Command Group Index Line Commands Line CommandsLogin Syntax Timeout login Syntax Response Command Function Password SyntaxCommand Usage Default Setting Silent-time Syntax Command Function Password-thresh SyntaxDatabits Syntax Stopbits Syntax Speed SyntaxDisconnect Syntax General Commands General CommandsDisable Default Setting None Reload Default Setting None Command Function Configure Default Setting NoneShow history Default Setting None End Default Setting None Quit Default Setting None System Management CommandsSystem Management Commands Help Device Designation Commands Device Designation CommandsUser Access Commands User Access Commands IP Filter Commands IP Filter CommandsEnable password Syntax Command Function Management Command Usage Cont Command Function Ip http port Syntax Web Server CommandsWeb Server Commands Default Setting Enabled Telnet Server Commands Telnet Server CommandsSecure Shell Commands Show calendar To Use the SSH Server Ip ssh authentication Syntax Retries Secure Shell CommandsIp ssh timeout Syntax Ip ssh server-key size Syntax Ip ssh crypto host-key Syntax Generate Command Function Copy tftp public-keyDelete public-key Syntax Ip ssh crypto zeroize Syntax Show ssh Command Function Show ip sshShow ssh display description Field Description Command Function Show public-key Syntax Event Logging CommandsEvent Logging Commands Command Function Logging on Syntax Logging Levels Severity Name Description Command Function Logging history SyntaxLogging host Syntax Logging trap Syntax Command Function Logging facility SyntaxDefault Setting Flash and RAM Clear logging Syntax Command Function Show logging Syntax Field Description Command Function Show log Syntax Smtp Alert CommandsSmtp Alert Commands Command Function Logging sendmail host Syntax Logging sendmail destination Syntax Command Function Logging sendmail level SyntaxLogging sendmail source-email Syntax Logging sendmail Syntax Command Function Show logging sendmail Time CommandsTime Commands Command Function Sntp client Syntax Show sntp Command Function Sntp poll SyntaxDefault Setting 16 seconds Clock timezone Syntax Command Function Show calendar Default Setting None System Status CommandsSystem Status Commands Command Function Light unit Syntax Command Function Show startup-config Information currently Command Function Show system Default Setting None Show version Default Setting None Command Function Show users Default Setting NoneTelnet client Flash/File Commands Flash/File CommandsCommand Function Copy Syntax Command Function Copy Example Cont Delete Syntax Whichboot Syntax Command Function Dir SyntaxWhen the system Command Mode Privileged Exec Powered up Command Function Boot system Power over Ethernet PoE CommandsPoE Commands Default Setting 375 watts Power inline maximum Syntax Allocation Command Function Power inline SyntaxDefault Setting auto Power inline priority Syntax Command Function Show power inline status Syntax Show power mainpower Command Function Authentication login Syntax Authentication CommandsAuthentication Commands Default Setting Local Radius-server port Syntax Radius Client CommandsRadius Client Radius-server key Syntax Radius-server timeout Syntax Show radius-server Default Setting None TACACS+ Client TACACS+ Client CommandsShow tacacs-server Default Setting None Tacacs-server port Syntax Port Security Commands Port Security CommandsCommand Function Port security Syntax Command Function Mac-address-table static Syntax Show mac-address-table Syntax Dot1x default Syntax 802.1x Port Authentication802.1x Port Authentication Commands Dot1x max-req Syntax Dot1x re-authentication Syntax Command Function Dot1x port-control SyntaxDot1x re-authenticate Syntax Dot1x operation-mode Syntax Dot1x timeout tx-period Syntax Command Function Dot1x timeout quiet-period SyntaxDot1x timeout re-authperiod Syntax Show dot1x Syntax Command Function Show dot1x Access Control Lists Access Control List CommandsCommand Function Show dot1x IP ACL Commands IP ACL CommandssMasks for Access Control Lists Command Function Access-list ip Syntax Command Function Permit, deny Syntax Standard ACL Permit, deny Syntax Extended ACL SYN flag valid, use control-code 2 Command Function Permit, denyIgnore a bit. The following bits may be specified Both SYN and ACK valid, use control-code 18 Command Mode IP Mask Command Function Show ip access-list SyntaxMask Syntax Command Function Mask IP ACL Command Function Mask Example IP ACL Show ip access-group Command Function Show access-list ip mask Syntax PrecedenceIp access-group Syntax Map access-list ip Syntax Match access-list ip Syntax Command Function Show map access-list ip SyntaxShow marking Command Function Access-list mac Syntax MAC ACL CommandsMAC ACL Commands Command Mode MAC ACL Command Function Show mac access-list Syntax Access-list mac mask Syntax Precedence MAC ACLs. This mask defines Command Function Mask SyntaxCommand Mode MAC Mask Egress ACL Show access-list mac mask Syntax Precedence Permit offset, deny offset Syntax Map access-list mac Syntax Command Function Mac access-group SyntaxShow mac access-group Show map access-list mac Syntax Show access-group Command Function Match access-list mac SyntaxCommand Function Show access-list ACL Information Command Function Snmp-server Default Setting Enabled Snmp CommandsSnmp Commands Show snmp Default Setting None Snmp-server contact Syntax Command Function Snmp-server community SyntaxSnmp-server location Syntax Command Function Snmp-server host Syntax Show snmp engine-id Command Function Snmp-server engine-id SyntaxSnmp-server view Syntax Command Function Show snmp view Snmp-server group Syntax Command Function Show snmp group Command Function Snmp-server user Syntax Show snmp user Command Function Interface Syntax Interface CommandsInterface Commands Description Syntax Command Function Negotiation Syntax Capabilities Syntax Switchport broadcast Syntax Packet-rate Command Function Flowcontrol SyntaxShutdown Syntax Example The following example clears statistics on port Command Function Clear counters SyntaxPower reset Show interfaces status Syntax NXA-ENET24 Software Management Guide 235 Command Function Show interfaces Syntax Switchport Interfaces Switchport Statistics Command Function Port monitor Syntax Mirror Port CommandsMirror Port Commands Show port monitor Rate Limit Commands Rate Limit CommandsCommand Function Rate-limit Syntax Guidelines for Creating Trunks Link Aggregation CommandsLink Aggregation Commands Channel-group Syntax Command Function Dynamic Configuration Commands Lacp Use the no form to disable it Command Function Lacp system-priority Syntax Lacp admin-key Syntax Ethernet Interface Command Function Lacp admin-key Syntax Port Channel Lacp port-priority Syntax Show interfaces status Port-channel Show lacp Syntax Command Function Show lacp Example NXA-ENET24 Software Management Guide 245 Address Table Commands Address Table CommandsClear mac-address-table Default Setting None Dynamic Show mac-address-table Default Setting None Aging-time Command Function Show mac-address-table SyntaxDefault Setting 300 seconds Time Command Function Spanning-tree Syntax Spanning Tree CommandsSpanning Tree Commands Spanning-tree mode Syntax Spanning-tree hello-time Syntax Spanning-tree max-age Syntax Spanning-tree spanning Syntax Disabled Command Function Spanning-tree priority SyntaxDefault Setting Long method Spanning-tree pathcost Syntax Method Command Function Spanning-tree cost Syntax Spanning-tree port-priority Syntax Command Function Spanning-tree edge-port Syntax Spanning-tree portfast Syntax Nate a port as a shared link, Rstp is forbidden Command Function Spanning-tree link-type SyntaxLink type for Rapid Spanning Spanning-tree protocol Syntax Migration Command Function Show spanning-tree Syntax Rstp Editing Vlan Groups Vlan CommandsCommand Function Vlan database Default Setting None Editing Vlan Groups Command Function Interface vlan Syntax Configuring Vlan InterfacesConfiguring Vlan Interfaces Switchport mode Syntax Switchport native vlan Syntax Command Function Switchport ingress-filtering SyntaxDefault Setting Vlan Switchport forbidden vlan Syntax Command Function Switchport allowed vlan SyntaxSwitchport gvrp Switchport priority default Displaying Vlan Information Configuring Private VLANsCommand Function Show vlan Syntax Displaying Vlan Information Edit Private Vlan Groups Command Function Private-vlan SyntaxEdit Private Vlan Groups Private vlan association Syntax Switchport private-vlan host Syntax Association Configure Private Vlan InterfacesConfigure Private Vlan Interfaces Switchport private-vlan mapping Syntax Show bridge-ext Default Setting None Gvrp and Bridge Extension CommandsGvrp and Bridge Extension Commands Display Private Vlan Information Show gvrp configuration Syntax Command Function Switchport gvrp SyntaxSwitchport forbidden vlan Garp timer Syntax Priority Commands Layer Priority CommandsPriority Commands Layer Show queue mode Default Setting None Command Function Switchport priority Syntax Default Priority Commands Layer 2Queue bandwidth Syntax Show queue bandwidth Default Setting None Command Function Queue cos-map SyntaxShow queue cos-map Syntax Map ip precedence Syntax Global Configuration Priority Commands Layer 3Priority Commands Layer 3 Map ip port Syntax Command Function Map ip precedence Priority Commands Layer 3 and 4-Map ip dscp Syntax Global Configuration Map access-list mac Command Function Map ip dscp Syntax Interface ConfigurationMap access-list ip Show map ip port Syntax Show map ip dscp Syntax Igmp Snooping Commands Multicast Filtering CommandsIgmp Snooping Commands Ip igmp snooping vlan static Syntax Command Function Show ip igmp snooping Default Setting None Igmp Query Commands LayerIgmp Query Commands Layer Command Function Ip igmp snooping querier Syntax Ip igmp snooping query-interval Syntax Igmp Query Commands Layer 2Ip igmp snooping query-max Syntax Response-time Command Function Ip igmp snooping vlan mrouter Syntax Static Multicast Routing CommandsStatic Multicast Routing Commands Show ip igmp snooping mrouter Syntax Command Function Ip address Syntax IP Interface CommandsIP Interface Commands Default Setting Dhcp Show ip redirects Default Setting None Command Function Ip default-gateway SyntaxIp dhcp restart Default Setting None Show ip interface Command Function Ping Syntax Command Function Ip host Syntax DNS CommandsDNS Commands Clear host Syntax Command Function Ip domain-list Syntax Ip name-server Syntax Show hosts Command Function Ip domain-lookup SyntaxDNS host name-to Show dns Entries in the DNS cache Command Function Show dns cacheCommand Mode Privileged Exec This command clears all Clear dns cachePage Symptom Action TroubleshootingTroubleshooting Chart Cannot connect using Telnet It’s Your World Take Control