SMC Networks SMC6752AL2 manual Interface Commands

Page 384

COMMAND LINE INTERFACE

Interface Commands

These commands are used to display or set communication parameters for an Ethernet port, aggregated link, or VLAN.

Table 4-40 Interface Commands

Command

Function

Mode

Page

interface

Configures an interface type and enters interface

GC

4-145

 

configuration mode

 

 

 

 

 

 

description

Adds a description to an interface configuration

IC

4-145

 

 

 

 

speed-duplex

Configures the speed and duplex operation of a

IC

4-146

 

given interface when autonegotiation is disabled

 

 

 

 

 

 

negotiation

Enables autonegotiation of a given interface

IC

4-147

 

 

 

 

capabilities

Advertises the capabilities of a given interface

IC

4-148

 

for use in autonegotiation

 

 

 

 

 

 

flowcontrol

Enables flow control on a given interface

IC

4-149

 

 

 

 

shutdown

Disables an interface

IC

4-150

 

 

 

 

switchport

Configures the broadcast storm control

IC

4-151

broadcast

threshold

 

 

packet-rate

 

 

 

 

 

 

 

clear counters

Clears statistics on an interface

PE

4-152

 

 

 

 

show interfaces

Displays status for the specified interface

NE,

4-153

status

 

PE

 

 

 

 

 

show interfaces

Displays statistics for the specified interfaces

NE,

4-154

counters

 

PE

 

 

 

 

 

show interfaces

Displays the administrative and operational

NE,

4-156

switchport

status of an interface

PE

 

 

 

 

 

4-144

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Contents TigerSwitch 10/100 Page TigerSwitch 10/100 Management Guide Trademarks Limited Warranty Limited Warranty Contents Contents Contents Command Line Interface Vii Viii Contents Contents Contents Xii Xiii Glossary Index XivTables Xvi Xvii Xviii Xix FiguresFigures Xxi Xxii Key Features Key FeaturesDescription of Software Features RstpDescription of Software Features Introduction Description of Software Features Introduction System Defaults System DefaultsSnmp Dhcp Introduction Connecting to the Switch Configuration OptionsRequired Connections Connecting to the Switch Remote Connections Basic Configuration Setting PasswordsConsole Connection Setting an IP Address Manual Configuration Dynamic Configuration Enabling Snmp Management Access Community StringsTrap Receivers Saving Configuration Settings Managing System Files Configuring the Switch Using the Web InterfaceConfiguring the Switch Navigating the Web Browser Interface HomeConfiguration Options Panel DisplayMain Menu Main MenuACL Lacp Vlan 155 Vlan ID Displaying System Information Field AttributesSystem Information Displaying Switch Hardware/Software Versions CLI Specify the hostname, location and contact informationSwitch Information CLI Use the following command to display version information Displaying Bridge Extension CapabilitiesBridge Extension Configuration Setting the Switch’s IP Address Command AttributesCLI Enter the following command Manual IP Configuration Using DHCP/BOOTP Dhcp IP Configuration251 Managing Firmware Downloading System Software from a Server Operation Code Image File TransferSelect Start-Up Operation File Saving or Restoring Configuration Settings These operations are not supported for this switch Downloading Configuration Settings from a Server 11 Copy Configuration Settings12 Setting the Startup Configuration Settings Console Port Settings 13 Console Port Settings Telnet Settings Basic Configuration 14 Enabling Telnet Configuring Event Logging System Log ConfigurationLogging Levels Level Severity Name DescriptionRemote Log Configuration 15 System LogsCommand Attributes 16 Remote Logs Displaying Log Messages CLI This example shows the event message stored in RAMSending Simple Mail Transfer Protocol Alerts 18 Enabling and Configuring Smtp Alerts Resetting the System 19 Resetting the SystemSetting the System Clock Configuring Sntp20 Sntp Configuration Setting the Time Zone 21 Setting the System ClockSetting Community Access Strings Simple Network Management ProtocolAccess Mode Specifying Trap Managers and Trap Types23 Configuring IP Trap Managers User Authentication Configuring User Accounts24 Access Levels Configuring Local/Remote Logon Authentication Command Usage Radius Settings Tacacs Settings25 Authentication Settings Configuring Https 101Https System Support Web Browser Operating SystemReplacing the Default Secure-site Certificate 26 Https SettingsConfiguring the Secure Shell Command Usage User Authentication Generating the Host Key Pair User Authentication 27 SSH Host-Key Settings Configuring the SSH Server SSH server includes basic settings for authentication28 SSH Server Settings Configuring Port Security Command Usage Configuring 802.1X Port Authentication 29 Configuring Port SecurityConfiguring the Switch Displaying 802.1X Global Settings 802.1X protocol provides port authentication802.1X System Authentication Control The global setting for Web Click Security, 802.1X, InformationConfiguring 802.1X Global Settings CLI This example shows the default global setting forCLI This example enables 802.1X globally for the switch Configuring Port Settings for 32 802.1X Port Configuration Authorized109 Displaying 802.1X Statistics 802.1X Statistics33 Displaying 802.1X Port Statistics CLI This example displays the 802.1X statistics for portFiltering Addresses for Management Access 34 Creating a Web IP Filter List Access Control Lists Configuring Access Control ListsCLI This example allows Snmp access for a specific client Setting the ACL Name and Type Configuring a Standard IP ACL Command Attributes CLI This example creates a standard IP ACL named david36 ACL Configuration Standard IP Configuring an Extended IP ACL Command Attributes Source/Destination Address Source or destination IP address37 ACL Configuration Extended IP Configuring a MAC ACL Command Attributes 12238 ACL Configuration MAC Binding a Port to an Access Control List 39 Binding a Port to an ACLPort Configuration Displaying Connection StatusField Attributes Web Field Attributes CLI Web Click Port, Port Information or Trunk InformationCurrent Status Configuring Interface Connections CLI This example shows the connection status for PortPort Configuration 41 Port/Trunk Configuration Creating Trunk GroupsCommand Usage Statically Configuring a Trunk Command Usage 42 Static Trunk Configuration Enabling Lacp on Selected Ports Command Usage 16643 Lacp Trunk Configuration Consoleconfig#interface Ethernet 1/1 Command Attributes 100 44 Lacp Aggregation Port101 172102 Displaying Lacp Port CountersYou can display statistics for Lacp protocol messages Lacp Port CountersDisplaying Lacp Settings and Status for the Local Side Lacp Internal Configuration Information103 CLI The following example displays Lacp counters104 105 46 Lacp Port Internal InformationDisplaying Lacp Settings and Status for the Remote Side Lacp Neighbor Configuration Information106 107 47 Lacp Port Neighbors InformationSetting Broadcast Storm Thresholds 108109 48 Port Broadcast ControlConfiguring Port Mirroring 11049 Mirror Port Configuration 111Configuring Rate Limits 112Rate Limit Granularity Rate Limit Configuration 113Showing Port Statistics 114115 Port Statistics116 Port Statistics117 Rmon Statistics118 119 52 Port Statistics120 CLI This example shows statistics for portAddress Table Settings Setting Static Addresses121 Displaying the Address Table 12254 Configuring a Dynamic Address Table 123Spanning Tree Algorithm Configuration Changing the Aging Time124 CLI This example sets the aging time to 400 seconds125 Displaying Global Settings 126127 128 56 STA Information129 196Configuring Global Settings Global settings apply to the entire switch130 Root Device Configuration 131Configuration Settings for Rstp 13257 STA Configuration 133Displaying Interface Settings 134135 136 137 58 STA Port InformationConfiguring Interface Settings 138CLI This example shows the STA attributes for port 139 140 Vlan Configuration Ieee 802.1Q VLANs141 CLI This example sets STA attributes for port142 Assigning Ports to VLANs143 144 145 Forwarding Tagged/Untagged FramesEnabling or Disabling Gvrp Global Setting CLI This example enables Gvrp for the switch146 Displaying Basic Vlan InformationCommand Attributes Web 147Displaying Current VLANs Web Click VLAN, 802.1Q VLAN, Basic InformationCommand Attributes CLI 148149 Creating VLANs63 Configuring a Vlan Static List 150151 Adding Static Members to VLANs Vlan IndexCLI This example creates a new Vlan 152 153 Adding Static Members to VLANs Port Index154 65 Vlan Static Membership by PortConfiguring Vlan Behavior for Interfaces 155156 66 Vlan Port Configuration 157Private VLANs 158159 Displaying Current Private VLANs160 67 Private Vlan InformationConfiguring Private VLANs 161162 Associating VLANs163 Displaying Private Vlan Interface Information164 70 Private Vlan Port InformationConfiguring Private Vlan Interfaces 16571 Private Vlan Port Configuration 166Class of Service Configuration Layer 2 Queue SettingsSetting the Default Priority for Interfaces 16772 Port Priority Configuration 168CLI This example assigns a default priority of 5 to port 169Mapping CoS Values to Egress Queues 10 Egress Queue Priority Mapping170 11 CoS Priority Levels171 73 Traffic ClassesSelecting the Queue Mode 172Setting the Service Weight for Traffic Classes 173Layer 3/4 Priority Settings 174Mapping Layer 3/4 Priorities to CoS Values 175 Selecting IP Precedence/DSCP PriorityMapping IP Precedence 176 12 Mapping IP Precedence177 Mapping Dscp Priority13 Mapping Dscp Priority Values 178 78 Mapping IP Dscp Priority Values179 Mapping IP Port Priority180 79 IP Port Priority Status181 Mapping CoS Values to ACLs14 Egress Queue Priority Mapping 182 81 ACL CoS PriorityMulticast Filtering 183Configuring Igmp Snooping and Query Parameters Layer 2 Igmp Snooping and Query184 185 82 Igmp Configuration 186187 Displaying Interfaces Attached to a Multicast Router188 Specifying Static Interfaces for a Multicast RouterInterface Activates the Port or Trunk scroll down list Displaying Port Members of Multicast Services 189190 85 IP Multicast Registration TableAssigning Ports to Multicast Services 191192 86 Igmp Member Port TableUsing the Command Line Interface Accessing the CLITelnet Connection Using the Command Line Interface Entering Commands This section describes how to enter CLI commandsKeywords and Arguments Minimum AbbreviationCommand Completion Getting Help on CommandsShowing Commands Negating the Effect of Commands Using Command HistoryPartial Keyword Lookup Understanding Command Modes Exec CommandsCommand Modes Configuration Commands Configuration Modes Mode Command PromptCommand Line Processing Command Line ProcessingCommand Groups Command GroupsCommand Groups Line Commands Line CommandsLine Login Syntax Login local no loginLogin local Line ConfigurationPassword Username 4-35 passwordSyntax Password 0 7 password no password No password is specifiedTimeout login response Login 4-16password-thresh4-20CLI Disabled 0 seconds Telnet 600 seconds Exec-timeout To set the timeout to two minutes, enter this commandSilent-time4-21exec-timeout Syntax Exec-timeout seconds no exec-timeoutPassword-thresh Silent-time4-21 Timeout login responseSyntax Password-thresh threshold no password-thresh Default value is three attemptsDefault value is no silent-time To set the silent time to 60 seconds, enter this commandPassword-thresh4-20 Silent-timeTo specify 7 data bits, enter this command DatabitsSyntax Databits 7 8 no databits Seven data bits per character Eight data bits per characterParity SpeedSyntax Parity none even odd no parity Syntax Speed bps no speedStopbits Syntax stopbits 1Disconnect Show lineSyntax disconnect session-id Syntax Show line console vtyGeneral Commands To show all lines, enter this commandGeneral Commands Enable Syntax enable levelDisable Enable password LevelDisable ConfigureNone Show history Reload EndThis command exits the configuration program ExitQuit AnySystem Management Commands This example shows how to quit a CLI sessionSystem Management Commands Device Designation Commands Device Designation CommandsPrompt Syntax Prompt string no promptUser Access Commands User Access CommandsHostname Syntax Hostname name no hostname10 Default Login Settings UsernameEnable password Default is level Default password is superIP Filter Commands Enable 4-27 authentication enable11 IP Filter Commands Management All addressesShow management Web Server Commands 12 Web Server CommandsDefault Setting Command Mode Syntax No ip http server Default SettingIp http port Ip http serverSyntax No ip http secure-server Default Setting Ip http secure-serverIp http port Ip http secure-port 13 Https System SupportIp http secure-port4-43 Copy tftp https-certificate Portnumber The UDP port used for HTTPS/SSL. RangeTelnet Server Commands 14 Telnet Server CommandsIp telnet port Ip http secure-server4-42Syntax No ip telnet server Default Setting Ip telnet serverIp telnet server Ip telnet portSecure Shell Commands 15 SSH CommandsShows the public key for the specified user Command Line Interface Syntax No ip ssh server Default Setting DisabledIp ssh server Ip ssh timeout Syntax Ip ssh timeout seconds no ip ssh timeoutIp ssh crypto host-key generate 4-53 show ssh SecondsIp ssh authentication-retries Exec-timeout4-19 show ip sshIp ssh server-key size Show ip sshThis command deletes the specified user’s public key Delete public-keyBits Syntax Delete public-key username dsa rsaIp ssh crypto host-key generate Syntax Ip ssh crypto host-key generate dsa rsaDsa DSA Version 2 key type Rsa RSA Version 1 key type Generates both the DSA and RSA key pairsIp ssh crypto zeroize Ip ssh save host-keySyntax Ip ssh crypto zeroize dsa rsa Syntax Ip ssh save host-key dsa rsaThis command displays the current SSH server connections Show ip sshShow ssh Saves both the DSA and RSA key16 show ssh display description TerminologyShow public-key Syntax Show public-key user username hostUsername Name of an SSH user. Range 1-8 characters Shows all public keysDSA Event Logging Commands 17 Event Logging CommandsSyntax No logging on Default Setting Logging onLogging history Logging history 4-60 clear logging18 Logging Levels Flash errors level 3 RAM warnings level 6 Logging hostSyntax No logging host hostipaddress Hostipaddress The IP address of a syslog serverLogging facility Syntax No logging facility typeEnabled Level 6 Logging trapSyntax Logging trap level no logging trap Clear logging Show loggingSyntax Clear logging flash ram Syntax Show logging flash ram sendmail trap19 show logging flash/ram display description Following example displays settings for the trap function 20 show logging trap display descriptionShow logging sendmail Syntax Show log flash ram login tail Show logFollowing example shows sample messages stored in RAM Smtp Alert Commands 21 Smtp Alert CommandsLogging sendmail host Syntax No logging sendmail host ipaddressLogging sendmail level Syntax Logging sendmail level levelLogging sendmail source-email Logging sendmail destination-emailSyntax No logging sendmail source-email email-address This example will set the source email john@acme.comSyntax No logging sendmail Default Setting Logging sendmailShow logging sendmail Time Commands 22 Time CommandsSyntax No sntp client Default Setting Sntp clientSntp server 4-74 sntp poll 4-75 show sntp Sntp server Syntax Sntp server ip1 ip2 ip3Sntp client 4-73 sntp poll 4-75 show sntp Sntp poll Show sntpSyntax Sntp poll seconds no sntp poll Sntp clientClock timezone Calendar set Show sntpSyntax Year Year 4-digit. RangeSystem Status Commands This command displays the system clock23 System Status Commands Show calendarShow startup-config Show running-config4-81 Show running-config Show startup-config4-79 This command displays system information Show systemShow users Show versionFrame Size Commands 24 Frame Size CommandsSyntax No jumbo frame Default Setting Jumbo frameFlash/File Commands 25 Flash/File CommandsCopy Privileged Exec Following example shows how to download a configuration file This command deletes a file or image DeleteThis command displays a list of files in flash memory Syntax Dir unit boot-rom config opcode filenameDir Dir Delete public-key4-52Whichboot Following example shows how to display all file informationSyntax whichboot Default Setting File information is shown belowBoot system Syntax Boot system unit boot-romconfig opcode filenameAuthentication Commands Authentication SequenceDir 4-91 whichboot 27 Authentication CommandsAuthentication login LocalAuthentication enable Username for setting the local user names and passwords29 Radius Client Commands Radius ClientDefault Setting Auth-port Timeout 5 secondsRetransmit Command Mode Radius-server hostRadius-server port Radius-server keySyntax Radius-server port portnumber no radius-server port 1812Radius-server timeout Radius-server retransmitShow radius-server 30 Tacacs Commands TACACS+ ClientTacacs-server host Hostipaddress IP address of a TACACS+ serverTacacs-server port Tacacs-server keySyntax Tacacs-server port portnumber no tacacs-server port Syntax Tacacs-server key keystring no tacacs-server keyPort Security Commands Show tacacs-server31 Port Security Commands Status Disabled Action None Maximum AddressesInterface Configuration Ethernet Port security106 802.1X Port Authentication 32 802.1X Port AuthenticationDot1x default Syntax No system-auth-control Default SettingDot1x system-auth-control Default Command Mode Dot1x max-reqDot1x port-control Syntax Dot1x max-req count no dot1x max-reqDefault Dot1x operation-modeForce-authorized Single-hostDot1x re-authenticate Dot1x re-authenticationSyntax Dot1x re-authenticate interface Syntax No dot1x re-authentication Command ModeDot1x timeout quiet-period Dot1x timeout re-authperiodSeconds The number of seconds. Range Dot1x timeout tx-period Show dot1x Syntax Show dot1x statistics interface interfaceStatistics Displays dot1x status for each port Unit- Stack unit. This is unit 1 -port- Port number. RangeAuthenticator State Machine From the Authentication Server State Current state including initialize, reauthenticateAccess Control List Commands Access Control Lists33 Access Control Lists IP ACLs34 IP ACLs Access-list ip Syntax No access-list ip standard extended aclnamePermit, deny Ip access-group4-125 show ip access-list4-124 Syntax No permit deny any source bitmask host sourceStandard ACL 121 Permit, deny Extended ACL No permit deny tcpExtended ACL Show ip access-list This command displays the rules for configured IP ACLsSyntax Show ip access-list standard extended aclname Ip access-group Permit, deny Ip access-group4-125Syntax No ip access-group aclname Show ip access-group Map access-list ipShow ip access-list4-124 This command shows the ports assigned to IP ACLsShow map access-list ip Queue cos-map4-226 Show map access-list ipSyntax Show map access-list ip interface 35 Egress Queue Priority MappingAccess-list mac Syntax No access-list mac aclnameMAC ACLs 36 MAC ACLsConsoleconfig#access-list mac jerry Consoleconfig-mac-acl# Permit, deny MAC ACL Syntax No permit denyShow mac access-list This command displays the rules for configured MAC ACLsSyntax Show mac access-list aclname Permit, deny Mac access-group4-132Mac access-group Show mac access-groupSyntax Mac access-group aclname This command shows the ports assigned to MAC ACLsMap access-list mac Syntax No map access-list mac aclname cos cos-value37 Egress Queue Priority Mapping Show map access-list mac Queue cos-map4-226 Show map access-list macSyntax Show map access-list mac interface Unit This is device Port Port number. RangeShow access-list ACL Information38 ACL Information Snmp Commands Show access-groupThis command shows the port assignments of ACLs 39 Snmp CommandsSnmp-server community Snmp-server contact Snmp-server locationSyntax Snmp-server contact string no snmp-server contact Snmp-server locationSnmp-server host Snmp-server contactHost Address None Snmp Version Snmp-server enable traps Snmp-server enable traps Issue authentication and link-up-down trapsSnmp-server host This command checks the status of Snmp communications Show snmp143 Interface Commands 40 Interface CommandsInterface DescriptionPort-channel channel-idRange Syntax Description string no descriptionInterface Configuration Ethernet, Port Channel Speed-duplexFollowing example adds a description to port Syntax No negotiation Default Setting NegotiationNegotiation 4-147 capabilities Following example configures port 11 to use autonegotiation CapabilitiesCapabilities 4-148speed-duplex4-146 Syntax No flowcontrol Default Setting FlowcontrolNegotiation 4-147speed-duplex4-146 flowcontrol Following example enables flow control on port Syntax No shutdown Default SettingAll interfaces are enabled ShutdownSwitchport broadcast packet-rate Following example disables portThis command clears statistics on an interface Port-channel channel-idRange Default SettingClear counters Syntax Clear counters interfaceThis command displays the status for an interface Show interfaces statusSyntax Show interfaces status interface Shows the status for all interfacesThis command displays interface statistics Show interfaces countersSyntax Show interfaces counters interface Shows the counters for all interfaces155 Show interfaces switchport Syntax Show interfaces switchport interfaceThis example shows the configuration setting for port Shows all interfaces41 Interfaces Switchport Statistics Mirror Port Commands 42 Mirror Port CommandsInterface Configuration Ethernet, destination port Port monitorThis command displays mirror information Show port monitorSyntax Show port monitor interface Shows all sessionsRate Limit Commands Following shows mirroring configured from port 6 to port43 Rate Limit Commands Rate-limit Actual rate limit = Rate limit level * GranularityGlobal Configuration Ethernet, Port Channel Rate-limit granularityUse this command to display the rate limit granularity Show rate-limitLink Aggregation Commands 44 Link Aggregation CommandsGuidelines for Creating Trunks General GuidelinesSyntax no lacp Default Setting Channel-groupLacp Syntax Channel-group channel-idno channel-group167 168 Lacp system-priority 32768Lacp admin-keyEthernet Interface Lacp admin-key Port Channel Interface Configuration Port ChannelLacp port-priority This command displays Lacp information Show lacpPort Channel all 45 show lacp counters display description 46 show lacp internal display description Expected to be enabled in the absence of administrative 47 show lacp neighbors display description Address Table Commands 49 Address Table Commands48 show lacp sysid display description Mac-address-table static Mac-address- MAC addressVlan-id- Vlan ID Range Clear mac-address-table dynamic Show mac-address-tableMac-address- MAC address Mask Bits to match in the address Mac-address-table aging-time Show mac-address-table aging-time Spanning Tree Commands 50 Spanning Tree CommandsSyntax No spanning-tree Default Setting Spanning tree is enabledSpanning-tree Spanning-tree mode Syntax Spanning-tree mode stp rstp no spanning-tree modeRstp Spanning-tree forward-time Spanning-tree hello-timeSpanning-tree max-age Spanning-tree priority Spanning-tree pathcost method Spanning-tree transmission-limitLong method Count The transmission limit in seconds. RangeSpanning-tree spanning-disabled This command limits the maximum transmission rate for BPDUsSyntax No spanning-tree spanning-disabled Default Setting This example disables the spanning tree algorithm for portSpanning-tree cost Syntax Spanning-tree cost cost no spanning-tree costSpanning-tree port-priority Spanning-tree edge-portPriority The priority for a port. Range 0-240, in steps Syntax No spanning-tree edge-portSyntax No spanning-tree portfast Default Setting Spanning-tree portfast193 Spanning-tree link-type 194Spanning-treeedge-port4-192 Port-channel channel-idRange Command Mode Spanning-tree protocol-migration195 AutoThis command shows the configuration for the spanning tree Show spanning-tree196 Syntax Show spanning-tree interface197 Vlan Commands Editing Vlan Groups198 Vlan database199 VlanBy default only Vlan 1 exists and is active Vlan Database Configuration200 Configuring Vlan Interfaces 53 Configuring Vlan Interfaces201 Interface vlanSwitchport mode All ports are in hybrid mode with the Pvid set to Vlan202 ShutdownSwitchport acceptable-frame-types Switchport acceptable-frame-types4-203203 All frame typesSwitchport ingress-filtering Syntax No switchport ingress-filtering Default Setting204 Switchport native vlan 205Switchport allowed vlan 206Switchport forbidden vlan 207No VLANs are included in the forbidden list 54 Show Vlan Commands Displaying Vlan Information208 Show vlanConfiguring Private VLANs Following example shows how to display information for Vlan55 Private Vlan Commands 209210 Vlan Configuration 211Private-vlan 212 Private vlan associationNo private-vlan primary-vlan-idassociation Switchport mode private-vlan 213Normal Vlan Switchport private-vlan host-association Switchport private-vlan isolated214 Isolated-vlan-id- ID of isolated VLAN. RangeSwitchport private-vlan mapping 215Primary-vlan-id- ID of primary VLAN. Range 216 Show vlan private-vlanSyntax Show vlan private-vlan community isolated primary Gvrp and Bridge Extension Commands 56 Gvrp and Bridge Extension CommandsSyntax No bridge-ext gvrp Default Setting 217218 Show bridge-extSwitchport gvrp Show gvrp configurationSyntax No switchport gvrp Default Setting Syntax Show gvrp configuration interfaceGarp timer 220Show garp timer Syntax Show garp timer interfaceShows all Garp timers 221Priority Commands Priority Commands Layer57 Priority Commands 58 Priority Commands LayerQueue mode Syntax Queue mode strict wrr no queue modeWeighted Round Robin 223Switchport priority default 224225 Queue bandwidth59 Default CoS Priority Levels 226Queue cos-map Show queue mode This command shows the current queue mode227 Show queue bandwidthThis command shows the class of service priority map 228Show queue cos-map Syntax Show queue cos-map interfacePriority Commands Layer 3 60 Priority Commands Layer 3229 Syntax No map ip portMap ip port Interface Configuration 230Syntax No map ip precedence Default Setting 231List below shows the default priority mapping 23261 Mapping IP Precedence Values Syntax No map ip dscp Default Setting 233234 62 IP Dscp to CoS ValuesUse this command to show the IP port priority map 235Show map ip port Syntax Show map ip port interfaceThis command shows the IP precedence priority map 236Show map ip precedence Syntax Show map ip precedence interfaceThis command shows the IP Dscp priority map 237Show map ip dscp Syntax Show map ip dscp interfaceMulticast Filtering Commands Igmp Snooping Commands63 Multicast Filtering Commands 64 Igmp Snooping CommandsSyntax No ip igmp snooping Default Setting Following example enables Igmp snooping239 Ip igmp snoopingFollowing configures the switch to use Igmp Version 240Ip igmp snooping version Igmp Version241 Show ip igmp snoopingShow mac-address-table multicast Igmp Query Commands Layer 65 Igmp Query Commands Layer242 Syntax No ip igmp snooping querier Default Setting 243Ip igmp snooping querier Ip igmp snooping query-countFollowing shows how to configure the query count to 244Ip igmp snooping query-interval Ip igmp snooping query-max-response-time4-245Seconds The report delay advertised in Igmp queries. Range 245Ip igmp snooping query-max-response-time Switch must use IGMPv2 for this command to take effect 246Ip igmp snooping router-port-expire-time Static Multicast Routing Commands 66 Static Multicast Routing Commands247 Ip igmp snooping vlan mrouterDisplays multicast router ports for all configured VLANs 248Show ip igmp snooping mrouter Syntax Show ip igmp snooping mrouter vlan vlan-idIP Interface Commands 67 IP Interface CommandsIp address 249Interface Configuration Vlan 250Ip default-gateway Syntax Ip default-gateway gateway no ip default-gatewayIp dhcp restart 251This command displays the settings of an IP interface Show ip interface252 All interfacesThis command has no default for the host Show ip redirectsPing 253254 InterfaceSoftware Features Management Features Groups 1, 2, 3, 9 Statistics, History, Alarm, Event StandardsManagement Information Bases Appendix B Troubleshooting Problems Accessing the Management InterfaceTable B-1 Troubleshooting Chart Symptom Action Using System Logs Troubleshooting Glossary-1 Glossary-2 Glossary-3 Glossary-4 Glossary-5 Glossary-6 Glossary-7 Glossary-8 User Datagram Protocol UDPVirtual LAN Vlan XModemNumerics Index-1Index-2 IgmpIndex-3 Snmp SnmpIndex-4 Page For Technical SUPPORT, Call
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SMC6752AL2 specifications

The SMC Networks SMC6752AL2 is a robust and versatile gigabit Ethernet switch designed to cater to the demands of medium to large enterprise networks. This switch delivers an impressive combination of performance, flexibility, and manageability, making it an ideal solution for businesses seeking to enhance their network infrastructure.

One of the standout features of the SMC6752AL2 is its 48 Gigabit Ethernet ports, allowing for high-speed network connections to a variety of devices such as servers, workstations, and other networked equipment. Additionally, the switch includes 4 SFP (Small Form-factor Pluggable) slots that provide options for connecting to other networking devices via fiber optics, enhancing the versatility of the network configuration.

The SMC6752AL2 supports advanced Layer 2 switching capabilities, which are crucial for efficient data handling and traffic management. With features such as VLAN (Virtual Local Area Network) support, the switch can segment network traffic to improve performance and security while effectively managing broadcast domains. It supports 802.1Q VLAN tagging, allowing for better network segmentation and isolation of different types of traffic.

Moreover, the switch is equipped with Quality of Service (QoS) features to prioritize critical data transmissions. This is essential for applications requiring real-time data flow, such as VoIP (Voice over Internet Protocol) and video conferencing. The SMC6752AL2's QoS capabilities enable users to classify and prioritize traffic, ensuring a smooth and seamless experience for bandwidth-intensive applications.

The SMC6752AL2 also includes features such as port mirroring and link aggregation, enhancing the monitoring and management capabilities of the network. Port mirroring allows administrators to duplicate traffic from one port to another for analysis and troubleshooting, while link aggregation enables combining multiple connections for increased bandwidth and redundancy.

In terms of security, the switch supports802.1X port-based authentication, providing a layer of network access control that ensures only authorized users can connect. This feature, combined with the ability to create access control lists (ACLs), helps to safeguard the network against unauthorized access and other potential threats.

Overall, the SMC Networks SMC6752AL2 is a feature-rich Ethernet switch that offers reliable performance and advanced capabilities for managing enterprise networks. Its combination of port density, layer 2 switching features, QoS functionalities, and enhanced security makes it an excellent choice for organizations looking to expand or upgrade their networking solutions. With the SMC6752AL2, businesses can maintain high-performance connectivity and effective network management tailored to their specific operational needs.
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