Cisco Series,Cisco Series, and Cisco Series Integrated Services Routers Software Configuration Guide. Note For information on interface numbering, see Software Configuration Guide. Step 5. description string. Router(config-if)# description GE. Cisco Series, Series, and Series Software Configuration Guide See your router's hardware installation guide for more. SILENT INSTALL FILEZILLA Приобрести Подробнее 125,00. Веб магазин косметики. Бесплатная доставка от 400 грн Время. Веб магазин косметики. Приобрести Подробнее 1.
Non-printing characters such as passwords are in angle brackets. Default responses to system prompts are in square brackets. An exclamation point! Note Means reader take note. Tip Means the following information will help you solve a problem. Timesaver Means the described action saves time. You can save time by performing the action described in the paragraph. Warning Means reader be warned. In this situation, you might perform an action that could result in bodily injury.
In addition to the Cisco series, Cisco series, and Cisco series ISR Software Configuration Guide this document , the following reference guides are included:. Cisco IOS software release For information about new features in Cisco IOS software release Go here to read a product bulletin that specifies the software feature sets available for Cisco , and Series Integrated Services Routers in release In most browsers, the option to search whole words only, invoke case sensitivity, or search forward and backward is also available.
Use the Find toolbar to find words or phrases within a specific document. Use the Full Reader Search window to search multiple PDF files simultaneously and to change case sensitivity and other options. Skip to content Skip to search Skip to footer. Book Contents Book Contents. Find Matches in This Book. Log in to Save Content. PDF - Complete Book 3. Updated: February 11, Chapter: Preface. Preface Preface This preface describes the objectives, audience, organization, conventions of this guide, and the references that accompany this document set.
The following sections are provided: Objectives Audience Organization Conventions Related Documentation Searching Cisco Documents Objectives This guide provides an overview and explains how to configure the various features for the Cisco series, Cisco series, and Cisco series integrated services routers generation 2 ISR G2. Audience This document is written for experienced technical workers who install, monitor, and troubleshoot routers under a service contract, or who work for an information technology IT department.
Organization This guide is divided into three parts: Part 1—Configuring the Router Part 2—Configuring the Access Point Part 3—Appendix Part 1 Configuring the Router Description Module 1 Overview of Hardware and Software Describes new hardware and software features in this release, features by platform, new slots, common ports, and getting started tasks. Module 2 Basic Router Configuration Describes how to perform the basic router configuration, interface configuration, and routing configuration.
Module 3 Configuring Backup Data Lines and Remote Management Describes how to configure backup interfaces, dial backup, and remote management. Module 4 Configuring Power Efficiency Management Describes the hardware and software power efficiency management features on the router. Module 5 Configuring Security Features Describes how to configure security features.
Module 6 Unified Communications on Cisco Integrated Services Routers Describes voice application services that are supported on these routers. Module 2 Configuring the Wireless Device Describes how to configure the autonomous wireless device, how to upgrade the autonomous software to Cisco Unified software, and how to configure a Unified wireless device. Module 3 Configuring the Radio Settings Describes how to configure the radio settings for the wireless device.
Module 4 Administering the Wireless Device Describes many administration tasks for the wireless device. Conventions This document uses the following conventions: Convention Indication bold font Commands and keywords and user-entered text appear in bold font. Caution Means reader be careful. In this situation, you might perform an action that could result in equipment damage or loss of data. In the case of RIP, there is only one choice, network 0.
In the case of IGRP, there might be several networks that can be candidates for the system default. The Cisco IOS software uses both administrative distance and metric information to determine the default route gateway of last resort. The selected default route appears in the gateway of last resort display of the show ip route EXEC command. If dynamic default information is not being passed to the software, candidates for the default route are specified with the ip default-network global configuration command.
In this usage, the ip default-network command takes an unconnected network as an argument. If this network appears in the routing table from any source dynamic or static , it is flagged as a candidate default route and is a possible choice as the default route. If the router has no interface on the default network, but does have a route to it, it considers this network as a candidate default path.
The route candidates are examined and the best one is chosen, based on administrative distance and metric. The gateway to the best default path becomes the gateway of last resort. Router config ip route Router config ip default-network Router config ip route 0. Selects a network as a candidate route for computing the gateway of last resort. Creates a static route to network 0. Virtual terminal vty lines are used to allow remote access to the router. This section shows you how to configure the virtual terminal lines with a password, so that only authorized users can remotely access the router.
The router has five virtual terminal lines by default. If you want to secure the vty lines with an access list, see Access Control Lists: Overview and Guidelines. From another network device, attempt to open a Telnet session to the router. Starts the line configuration command collection mode for the virtual terminal lines vty for remote console access. Note To verify the number of vty lines on your router, use the line vty? Router config-line password guessagain.
Verifies that you can remotely access the router and that the virtual terminal line password is correctly configured. The following example shows how to configure virtual terminal lines with a password:. After you configure the vty lines, follow these steps:. 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 AUX port. See the following documents for information on configuring the auxiliary line:. See the tech notes and sample configurations to configure the line for your particular implementation of the AUX port.
Starts the line configuration command collection mode for the auxiliary line. This section describes how to verify network connectivity for your router. The following display shows sample output for the ping command when you ping the IP address The following display shows sample output for the ping command when you ping the IP hostname username1 :.
This section describes how to avoid losing your configuration at the next system reload or power cycle by saving the running configuration to the startup configuration in NVRAM. Router copy running-config startup-config. Saves the running configuration to the startup configuration. To aid file recovery and minimize downtime in case of file corruption, we recommend that you save backup copies of the startup configuration file and the Cisco IOS software system image file on a server.
Copies the startup configuration file to a server. Displays the layout and contents of a flash memory file system. The following example shows the startup configuration being copied to a TFTP server:. The router uses the default username and password. Skip to content Skip to search Skip to footer. Book Contents Book Contents. Find Matches in This Book. Log in to Save Content. PDF - Complete Book 3. Updated: March 30, Prerequisites for Initial Software Configuration Using the Cisco IOS CLI Follow the instructions in the hardware installation guide for your router to install the chassis, connect cables, and supply power to the hardware.
Enter your password if prompted. Step 2 configure terminal Router configure terminal Enters global configuration mode. Step 3 hostname name Router config hostname myrouter Specifies or modifies the hostname for the network server.
Step 4 Verify that the router prompt displays your new hostname. Configuring the Enable and Enable Secret Passwords To provide an additional layer of security, particularly for passwords that cross the network or are stored on a TFTP server, you can use either the enable password command or enable secret command. Restrictions If you configure the enable secret command, it takes precedence over the enable password command; the two commands cannot be in effect simultaneously.
Step 3 enable password password Router config enable password pswd2 Optional Sets a local password to control access to various privilege levels. We recommend that you perform this step only if you boot an older image of the Cisco IOS software or if you boot older boot ROMs that do not recognize the enable secret command.
Step 4 enable secret password Router config enable secret greentree Specifies an additional layer of security over the enable password command. Do not use the same password that you entered in Step 3. Verify that your new enable or enable secret password works.
Step 3 line console 0 Router config line console 0 Configures the console line and starts the line configuration command collection mode. Step 4 exec-timeout minutes [ seconds ] Router config-line exec-timeout 0 0 Sets the idle privileged EXEC timeout, which is the interval that the privileged EXEC command interpreter waits until user input is detected.
The example shows how to specify no timeout. Setting the exec-timeout value to 0 causes the router to never log out once logged in. This could have security implications if you leave the console without manually logging out using the disable command. Step 6 show running-config Router config show running-config Displays the running configuration file.
Verify that you properly configured the idle privileged EXEC timeout. Examples The following example shows how to set the console idle privileged EXEC timeout to 2 minutes 30 seconds: line console exec-timeout 2 30 The following example shows how to set the console idle privileged EXEC timeout to 10 seconds: line console exec-timeout 0 10 Configuring Gigabit Ethernet Interfaces This sections shows how to assign an IP address and interface description to an Ethernet interface on your router.
Step 2 show ip interface brief Router show ip interface brief Displays a brief status of the interfaces that are configured for IP. Learn which type of Ethernet interface is on your router. Step 3 configure terminal Router configure terminal Enters global configuration mode.
Step 5 description string Router config-if description GE int to 2nd floor south wing Optional Adds a description to an interface configuration. The description helps you remember what is attached to this interface. The description can be useful for troubleshooting. Step 6 ip address ip-address mask Router config-if ip address Step 7 no shutdown Router config-if no shutdown Enables an interface.
Step 9 show ip interface brief Router show ip interface brief Displays a brief status of the interfaces that are configured for IP. Verify that the Ethernet interfaces are up and configured correctly. Default Routes A router might not be able to determine the routes to all other networks. Default Network If a router has an interface that is directly connected to the specified default network, the dynamic routing protocols running on the router will generate or source a default route.
Gateway of Last Resort When default information is being passed along through a dynamic routing protocol, no further configuration is required. Step 3 ip routing Router config ip routing Enables IP routing. Step 4 ip route dest-prefix mask next-hop-ip-address [ admin-distance ] [ permanent ] Router config ip route Step 5 ip default-network network-number or ip route dest-prefix mask next-hop-ip-address Router config ip default-network Step 7 show ip route Router show ip route Displays the current routing table information.
Verify that the gateway of last resort is set. Examples Specifying a Default Route: Example! Step 3 line vty line-number [ ending-line-number ] Router config line vty 0 4 Starts the line configuration command collection mode for the virtual terminal lines vty for remote console access.
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