Cisco Systems 1900 Series manual Configuring the Auxiliary Line, Example

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Chapter 5 Configuring the Router

Performing the Initial Configuration on the Router

 

Command or Action

Purpose

Step 4

 

 

password password

Specifies a password on a line.

 

Example:

 

 

Router(config-line)# password guessagain

 

Step 5

 

 

login

Enables password checking at login.

 

Example:

 

 

Router(config-line)# login

 

Step 6

 

 

end

Returns to privileged EXEC mode.

 

Example:

 

 

Router(config-line)# end

 

Step 7

 

 

show running-config

Displays the running configuration file.

 

 

Verify that you properly configured the virtual terminal

 

Example:

lines for remote access.

 

Router# show running-config

 

Step 8

 

 

From another network device, attempt to open a Telnet

Verifies that you can remotely access the router and that the

 

session to the router.

virtual terminal line password is correctly configured.

 

Example:

 

 

Router# 172.16.74.3

 

 

Password:

 

 

 

 

Example

The following example shows how to configure virtual terminal lines with a password:

!

line vty 0 4 password guessagain login

!

What to Do Next

After you configure the vty lines, follow these steps:

(Optional) To encrypt the virtual terminal line password, see the “Configuring Passwords and Privileges” chapter in the Cisco IOS Security Configuration Guide. Also see the Cisco IOS Password Encryption Facts tech note.

(Optional) To secure the VTY lines with an access list, see the “Part 3: Traffic Filtering and Firewalls” in the Cisco IOS Security Configuration Guide.

Configuring the Auxiliary Line

This section describes how to enter line configuration mode for the auxiliary line. How you configure the auxiliary line depends on your particular implementation of the auxiliary port. See the following documents for information on configuring the auxiliary line:

Configuring a Modem on the AUX Port for EXEC Dialin Connectivity, tech note

 

Cisco 1900 Series Hardware Installation

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Contents Americas Headquarters Text Part Number OL-19084-03Page OL-19084-03 Console and Auxiliary Port Considerations Chassis Airflow Diagram Configuring the Auxiliary Line Objectives AudienceOrganization ConventionsSection Title Description Convention IndicationBewaar Deze Instructies Aviso Instruções Importantes DE Segurança Warnung Wichtige SicherheitshinweiseAvvertenza Importanti Istruzioni Sulla Sicurezza Guarde Estas Instrucciones GEM Disse Anvisninger Xiii Xiv Related Documentation Obtaining Documentation and Submitting a Service Request Searching within Cisco DocumentsSafety Warnings Overview of the RouterSYS ACT PoE12 Safety Warnings for Finland, Norway and SwedenChassis Views Cisco Antenna mounts1 LEDs2 SYS ACTWlan 4 or 5 GHzHardware Features Overview of the Router Hardware FeaturesProduct Serial Number Location CleiBuilt-In Interfaces Cisco Product Identification ToolProduct ID PID Compliance label CleiRemovable, Interchangeable, and Optional Modules Interface DescriptionUSB Such as security tokens and flash memoryMemory External Modules In chassis slots Internal ModulesSeries 1905 1921 DramSYS LED IndicatorsColor Description Location ISM/WLAN Wireless LAN Connectivity Chassis VentilationReal-Time Clock Chassis SecurityBaud Reset Button Interface NumberingSlot Number Slot Type Slot Numbering Range Onboard Ports 10/100/1000 EthernetPower SpecificationsDescription Specification Physical Description Specification PortsTransportation and Storage Environment AcousticTIA/EIA/IS-968 CNS Regulatory Compliance ITU-T G.823, G.824Safety Recommendations General GuidelinesSafety with Electricity General Site Requirements Preventing Electrostatic Discharge DamageSite Environment Power Supply ConsiderationsSite Configuration Installation Checklist Wireless LAN ConsiderationsInspecting the Router Task Verified byInstallation Checklist for Site Router Name Site LogTask Verified by Date Router quick start guide receivedCisco 1900 Series Hardware Installation OL-19084-02 OL-19084-02 Console Port Connections Console and Auxiliary Port ConsiderationsAbout Console and Auxiliary Ports USB Console OS Compatibility EIA/TIA-232 PortUSB Serial Console Preparing to Connect to a Network Auxiliary Port ConnectionsEthernet Connections Serial ConnectionsConfiguring Serial Connections Signaling Standards SupportedAbout Serial Connections Serial DTE or DCE DevicesTransmission Speeds and Distance Limitations Asynchronous/Synchronous Serial Module Baud RatesDistance for EIA/TIA-232 EIA-530 Distance for USB Rate bps Feet MetersIsdn BRI Connections CSU/DSU ConnectionsLow-Capacitance Cable For more information on BRI WICs, refer to Cisco.comInternal services module ISM About ModulesInternal Modules Router’s internal components include the followingPlug-In Modules Setting Up the Chassis Chassis Airflow DiagramWall-Mounting the Chassis Setting the Chassis on a DesktopChassis Grounding 253711 Procedure Wall-Mounting Features on the Cisco 1941 RouterRack-Mounting the Chassis Attaching Rack-Mount Brackets to Cisco 1900 Series Routers253712 Installing the Chassis Ground Connection 9shows how to attach the brackets to the rack11 Chassis Ground Connection on the Cisco 1941 Router Connecting WAN and LAN Cables Safety MessagesOL-19084-02 Ports and Cabling Port Type, Color Connected to CableConnecting to the Console Port with Microsoft Windows Connecting to a Console Terminal or ModemConnection Procedures and Precautions 12 Connecting the Console Cable to the Router Connecting to the Console Port with Mac OS Connecting to the Console Port with LinuxOpen the Linux Terminal window Connect the Linux USB port to the routerBefore You Begin Procedure Installing the Cisco Microsoft Windows XP USB DriverInstalling the Cisco Microsoft Windows 2000 USB Driver Uninstalling the Cisco USB Driver Installing the Cisco Microsoft Windows Vista USB DriverUsing the Add Remove Programs Utility Before You BeginUninstalling the Cisco Microsoft Windows Vista USB Driver Using the Setup.exe ProgramConnecting to the Auxiliary Port 13 Connecting a Modem to the RouterConnecting Power Connecting to AC PowerConnecting to DC Power DC Wiring Requirements for Cisco 1900 Series RoutersWire Size Wire Terminal Lug Protection DC InputCisco 1900 Series Router Wiring Procedure for DC Input 14 DC Power Wire Connection 15 Installing the Plastic Safety Cover OL-19084-02 Powering up the Router Checklist Before Powering Up the Cisco RouterPowering Up the Cisco Router Related InformationPerforming the Initial Configuration on the Router Using the Cisco Setup Command Facility5-6 to configure the router Verifying the Front Panel LED IndicationsSystem displays a summary of the available interfaces To proceed using the setup command facility, enter yesEnter a hostname for the router System creates the following configuration command script System displays the user promptUsing Cisco Configuration Professional Express Using the Cisco CLI-Manual ConfigurationInitial CLI Configuration When the system message appears on the router, enter noType enable to enter privileged Exec mode Press Return to bring up the Router promptConfiguring the Router Hostname Command or Action PurposeVerify that the router prompt displays your new hostname ExampleConfiguring the Enable and Enable Secret Passwords Optional Returns to privileged Exec modeConfiguring the Console Idle Privileged Exec Timeout Command collection mode That the privileged Exec command interpreter waits untilExample shows how to specify no timeout. Setting Exec-timeout value to 0 will cause the router toLearn which type of Ethernet interface is on your Configuring Gigabit Ethernet InterfacesFor IP Configuring the GigabitEthernet Interface Sample Output for the show ip interface brief CommandSpecifying a Default Route or Gateway of Last Resort Configuring IP Routing and IP ProtocolsRouterconfig# ip routing Gateway of Last ResortSpecifying a Default Route Example Sample Output for the show ip route CommandStarts the line configuration command collection mode for Virtual terminal lines vty for remote console accessMake sure that you configure all vty lines on your Line vty ? commandConfiguring the Auxiliary Line ExampleVerifying Network Connectivity Auxiliary lineConnected host for each configured interface If you want to test the vty line password, perform thisDiagnoses initial network connectivity To verify connectivity, ping the next hop router orSaving Your Router Configuration Saving Backup Copies of Configuration and System ImageSaves the running configuration to the startup ConfigurationCopying the Startup Configuration to a Tftp Server Example Copying from Flash Memory to a Tftp Server ExampleVerifying the Initial Configuration NvramOL-19084-02 Activating a New Software Package or Feature Getting Software Licenses for the RouterRMA License Transfer 1shows the steps for software activationAdditional Information OL-19084-02