Which command display information about the cisco ios software version currently on a router

which command display information about the cisco ios software version currently on a router

This command will display information about software version of running IOS. It also provides information about configuration setting. It shows. Show version: Displays information about the router's internal components, Step 2: Download the Cisco IOS Software Image to the TFTP Server. dadi.mirzakon.ru › /11 › cisco-show-version-command. DOWNLOAD TEAMVIEWER 7 Сообщаю Для вас, что.

The brief keyword can be used with the linenum keyword. The linenum keyword can be used with the class-map name keyword and argument. The exporter , monitor , and record keywords can be used with the flow keyword. If you use the interface keyword, you must specify the interface type and the interface number for example, interface ethernet 0. Keywords for common interfaces include async , ethernet , fastethernet, group-a sync , loopback , null , serial , and virtual-template.

Use the show run interface? The brief or full keyword can be used with the linenum keyword. The linenum keyword can be used with the class-map , interface , map-class , policy-map , and vc-class keywords. These keywords are described separately; see the show running-config map-class command page. The linenum keyword can be used with the policy-map nam e keyword and argument pair. The linenum keyword can be used with the vc-class nam e keyword and argument pair.

This display is for view-based users who typically can only view the configuration commands that they are entitled to access for that particular view. The default syntax, show running-config , displays the contents of the running configuration file, except commands configured using the default parameters.

This command was replaced by the more system:running-config command. The linenum keyword was added. The view full keywords were added. The module number and vlan vlan-id keywords and arguments were added for the Supervisor Engine This command was enhanced to display the configuration information for traffic shaping overhead accounting for ATM and was implemented on the Cisco series router for the PRE3.

Support for the Cisco series router was added. The partition and vrf keywords were added. The module and vlan keywords were removed. The output was modified to include encrypted filter information. The output was modified to display access control list ACL information.

The output was modified to display police rate control plane configuration parameters in a single line if the parameters have been entered that way during the configuration. The show running-config command is technically a command alias substitute or replacement syntax of the more system:running-config command.

Although the use of more commands is recommended because of their uniform structure across platforms and their expandable syntax , the show running-config command remains enabled to accommodate its widespread use, and to allow typing shortcuts such as show run. The show running-config interface command is useful when there are multiple interfaces and you want to look at the configuration of a specific interface.

The linenum keyword causes line numbers to be displayed in the output. This keyword is useful for identifying a particular portion of a very large configuration. You can enter additional output modifiers in the command syntax by including a pipe character after the optional keyword. To display the output modifiers that are available for a keyword, enter?

Depending on the platform you are using, the keywords and the arguments for the options argument may vary. For example, if the Cisco Discovery Protocol abbreviated as CDP in the output hold-time value is set to its default of If the Cisco Discovery Protocol holdtime is changed to a nondefault value for example, , the output of the show running-config and show running-config all commands is the same; that is, the configured parameter is displayed.

In subsequent Cisco IOS releases, additional configuration commands that are configured with default values will be added to the output of the show running-config all command. To exclude ACL information from the output, use the show running section exclude ip access access list command. Note If the configuration parameters are entered in separate lines, the output of the show running-config command still appears in multiple lines.

In some cases, you might see a difference in the duplex mode that is displayed between the show interfaces command and the show running-config command. The duplex mode that is displayed in the show interfaces command is the actual duplex mode that the interface is running.

The show interfaces command displays the operating mode of an interface, and the show running-config command displays the configured mode of the interface. The show running-config command output for an interface might display the duplex mode but no configuration for the speed.

This output indicates that the interface speed is configured as auto and that the duplex mode that is displayed becomes the operational setting once the speed is configured to something other than auto. With this configuration, it is possible that the operating duplex mode for that interface does not match the duplex mode that is displayed with the show running-config command. The following example shows the configuration for serial interface 1.

The fields are self-explanatory. Line numbers are displayed in the output. The following example shows how to set line numbers in the command output and then use the output modifier to start the display at line The following example shows how to display the module and status configuration for all modules on a Cisco series router.

In the following sample output from the show running-config command, the shape average command indicates that the traffic shaping overhead accounting for ATM is enabled. The following is sample output from the show running-config class-map command.

The fields in the display are self-explanatory. Specifies or modifies the bandwidth allocated for a class belonging to a policy map, and enables ATM overhead accounting. Specifies the device and filename of the configuration file from which the router configures itself during initialization startup. Copies the running configuration to the startup configuration. Command alias for the copy system:running-config nvram:startup-config command.

Configures traffic policing for traffic that is destined for the control plane. Shapes traffic to the indicated bit rate according to the algorithm specified, and enables ATM overhead accounting. Displays statistics for all interfaces configured on the router or access server. Displays the configuration of all classes for a specified service policy map or all classes for all existing policy maps, and displays ATM overhead accounting information, if configured.

Command alias for the more:nvram startup-config command. To display the control plane information for the running configuration, use the show running-config control-plane command in privileged EXEC mode. Optional Displays information about control plane Cisco Express Forwarding exceptions. If no keyword is specified, all information about the control plane is displayed.

The following is sample output from the show running-config control-plane command. Displays the contents of the current running configuration file or the configuration for a specific module. To display only map-class configuration information from the running configuration file, use the show running-config map-class command in privileged EXEC mode. The map-class extension to the show running-config command was introduced to show only lines pertaining to dialer or Frame Relay map classes.

The atm , dialer , and frame-relay keywords and map-class-name argument were introduced. Use the show running-config map-class command to display the following information from the running configuration file:. Use the linenum keyword to display line numbers in the output. This option is useful for identifying a particular portion of a very large configuration. The following example displays a specific map class called class1. Defines a class of shared configuration parameters associated with the dialer map command for outgoing calls from an ISDN interface and for PPP callback.

Displays contents of the currently running configuration file equivalent to the show running-config command. To display the list of commands that make up the current running configuration for a specific part of the system's global running configuration, use the show running-config partition command in privileged EXEC mode. The part argument will consist of one or more keyword options. These keywords represent a partition of the system's running configuration state, as a major-descriptor and, in some cases, one or more minor-descriptors.

For example, in the command show running-config partition router eigrp 1 , the major-descriptor for the part argument is the router keyword, and the minor-descriptors for the part argument are the eigrp 1 keywords. The actual list of part keyword options will depend on your system hardware, what feature set you are running, and what features are currently configured on your system. Some examples of command part keyword options are provided here for reference.

Use the show running-config partition? When the Configuration Partitioning feature is enabled, the system groups the configuration state of the device into parts called "partitions" for the purpose of generating the virtual running configuration file the list of configuration commands. The selective processing of the system's configuration state for the purpose of generating a partial running configuration is called "configuration partitioning. Note This command is not related to hard drive or flash drive partitioning.

This granular access to configuration information offers important performance benefits for high-end routing platforms with very large configuration files, as the system wide generation of a complete virtual configuration file from all components on systems with large and complex configurations can become overly resource intensive and be unacceptably slow.

The show running-config partition command allows you to display only the part of the running configuration that you want to examine, while also allowing the system to process only the collection of system components such as specific interfaces that you need to display.

This is in contrast to other existing extensions to the show running-config command, which only filter the generated list after all system components have been processed. To disable the feature, use the no parser config partition command. In the following example, the system generates a view of the running configuration by polling only the components associated with the access-list parts of the running configuration state, and then displays only those access-list-related configuration commands.

Generates and displays a virtual configuration file that lists all configuration commands that are in effect on the system. Optional Displays information for a specific group and group ID; valid values are from 1 to Support for this command on the Supervisor Engine 2 was extended to Release The output of the show scp process command was changed to display all the processes that have registered an SAP with SCP on the Supervisor Engine only.

Other forms of this commands are show disk0: and show disk To see which flash cards are used in your router, use the show version command and look at the bottom portion of the output. Note In some cases the show slot command will not display the file systems, use show slot0: or show slot The following example displays information about slot 0.

The output is self-explanatory. Note In some cases the show slot command will not display the file systems. Use show slot0: or show slot To display information related to software authentication for a specific image file, use the show software authenticity file command in privileged EXEC mode. Displays information related to software authentication for flash 0 resources. Displays information related to software authentication for flash 1 resources. Displays information related to software authentication for USB flash 1 resources.

This command was introduced for the Cisco , sm, , and routers. The show software authenticity file command allows you to display software authentication related information that includes image credential information, key type used for verification, signing information, and other attributes in the signature envelope, for a specific image file. The command handler will extract the signature envelope and its fields from the image file and dump the required information.

The following example displays software authentication related information for an image file named cuniversalk9-mz. Name of the filename in the memory. For example, flash0:cuniversalk9-mz. SSA refers to filename cuniversalk9-mz. SSA in flash memory flash Displays the type of signature algorithm used in digital signature verification. To display the software public keys that are in the storage with the key types, use the show software authenticity keys command in privileged EXEC mode.

The display from this command includes the public keys that are in the storage with the key types. The following is sample output from the show software authenticity keys command:. Displays information related to software authentication for the loaded image file. Name of the program responsible for performing the digital signature verification. Version of the program responsible for performing the digital signature verification. Displays the software authenticity related information for the loaded image file.

To monitor the stack usage of processes and interrupt routines, use the show stacks command in EXEC mode. The display from this command includes the reason for the last system reboot. If the system was reloaded because of a system failure, a saved system stack trace is displayed. This information is of use only to your technical support representative in analyzing crashes in the field. It is included here in case you need to read the displayed statistics to an engineer over the phone.

The following is sample output from the show stacks command following a system failure:. The more nvram:startup-config command has been replaced by the show startup-config command. To display the subsystem information, use the show subsys command in privileged EXEC mode. Optional Displays the subsystems of the specified class. Valid classes are driver , ehsa , ifs , kernel , library , license , management , microcode , pre-ehsa , predriver , protocol , registry , and sysinit.

Optional Displays the specified subsystem. The following classes were added: ehsa , ifs , microcode , predriver , and sysinit. The following classes were supported: driver , ehsa , kernel , library , management , pre-driver , pre-ehsa , protocol , and registry. The following classes were supported: driver , ehsa , kernel , library , license , management , pre-driver , pre-ehsa , protocol , and registry.

Use the show subsys command to confirm that all required features are in the running image. The following is sample output from the show subsys command:. The following is sample output from the show subsys command that includes the license class:. Table describes the fields shown in the display. Class of the subsystem.

To display information about the sup-bootflash file system, use the show sup-bootflash command in privileged EXEC mode. The following is sample output from the show sysctrl command:. Specifies attributes for the health monitor on the system controller to monitor.

To display general information about the router when it reports a problem, use the show tech-support command in privileged EXEC mode. Optional Displays show command output specific to Cisco Express Forwarding. Optional Displays show command output specific to voice networking. Optional Displays platform-specific show command output. The output scrolls without page breaks. Passwords and other security information are removed from the output.

The output for this command was expanded to show additional information for boot , bootflash , context , and traffic for all enabled protocols. The cef , ipmulticast , isis , mlps , and ospf keywords were added to this command. The output of this command was expanded to include the output from the show inventory command. The show tech-support ipmulticast command was changed as follows:. The output of the show tech-support ipmulticast command without the vrf vrf-name keyword and argument was changed to include the output from these commands:.

The output of the show tech-support ipmulticast vrf command was changed to include the output from these commands:. Support to interrupt and terminate the show tech-support output was added. The output of this command was expanded to include partial show dmvpn details command output.

The wccp and voice keywords were added. The wccp keyword was added. Press the Return key to display the next line of output, or press the Spacebar to display the next page of information. If you do not enter the page keyword, the output scrolls that is, it does not stop for page breaks. The show tech-support command is useful for collecting a large amount of information about your routing device for troubleshooting purposes.

The output of this command can be provided to technical support representatives when reporting a problem. Note This command can generate a very large amount of output. You may want to redirect the output to a file using the show inventory redirect url command syntax extension.

Redirecting the output to a file also makes sending this output to your technical support representative easier. The show tech-support command displays the output of a number of show commands at once. The output from this command varies depending on your platform and configuration. For example, access servers display voice-related show command output. Additionally, the show protocol traffic commands are displayed for only the protocols enabled on your device.

For a sample display of the output of the show tech-support command, see the individual show command listed. If you enter the show tech-support command without arguments, the output displays, but is not limited to, the equivalent of these show commands:. Note Crypto information is not duplicated by the show dmvpn details command output. When the show tech-support command is entered on a virtual switch VS , the output displays the output of the show module command and the show power command for both the active and standby switches.

Use of the optional cef , ipc , ipmulticast , isis , mpls , ospf , or rsvp keywords provides a way to display a number of show commands specific to a particular protocol or process in addition to the show commands listed previously. For example, if your Technical Assistance Center TAC support representative suspects that you may have a problem in your Cisco Express Forwarding CEF configuration, you may be asked to provide the output of the show tech-support cef command.

The show tech-support [ page ] [ password ] cef command will display the output from the following commands in addition to the output for the standard show tech-support command:. If you enter the ipmulticast keyword, the output displays, but is not limited to, these show commands:. If you enter the wccp keyword, the output displays, but is not limited to, these show commands:.

For a sample display of the output from the show tech-support command, refer to the documentation for the show commands listed in the "Usage Guidelines" section. Displays detailed information about neighboring devices discovered using Cisco Discovery Protocol. Displays the DECnet traffic statistics including datagrams sent, received, and forwarded. Displays temperature, voltage, and blower information on the Cisco series routers, Cisco series routers, Cisco series routers, Cisco series routers, Cisco AS series access servers, and the Gigabit Switch Router.

Displays the administrative and operational status of a switching nonrouting port. Displays the product inventory listing and UDI of all Cisco products installed in the networking device. Displays the state of syslog and the contents of the standard system logging buffer. Displays the configuration of the system hardware, the software version, the names and sources of configuration files, and the boot images.

The following is sample output from the show template command displaying template information. Use the show usb controllers command to display content such as controller register specific information, current asynchronous buffer addresses, and period scheduling information. You can also use this command to verify that copy operations are occurring successfully onto a USB flash module. The following example is sample output from the show usb controllers command:.

Optional Displays information only for the devices under the specified controller. Optional Displays information only for the device with the specified address. The following example is sample output from the show usb device command:. If this field is reset to 0, each interface within a configuration specifies its own class information, and the various interfaces operate independently.

If this field is set to a value between 1 and FEH, the device supports different class specifications on different interfaces, and the interfaces may not operate independently. This value identifies the class definition used for the aggregate interfaces. If this field is set to FFH, the device class is vendor-specific. The subclass code supported by the device. The protocol supported by the device. If this field is set to 0, the device does not use class-specific protocols on a device basis.

If this field is set to 0xFF, the device uses a vendor-specific protocol on a device basis. The class code supported by the interface. If the value is set to 0xFF, the interface class is vendor specific. The subclass code supported by the interface. The protocol code supported by the interface. If this field is set to 0, the device does not use a class-specific protocol on this interface.

If this field is set to 0xFF, the device uses a vendor-specific protocol for this interface. To display information about registered USB class drivers and vendor-specific drivers, use the show usb driver command in privileged EXEC mode. The following example is sample output for the show usb driver command:.

Table describes the significant field shown in the display. Indicates the fields that are used in enumeration comparison. The driver can own different devices on the basis of their product or vendor IDs and device or interface class, subclass, and protocol codes. Optional Displays information only for a specified. If the port-number is not issued, information for all root ports will be displayed. The following sample from the show usb port command shows the status of the port 1 on the router:.

To display information about the port state and all attached devices, use the show usb tree command in privileged EXEC mode. The following example is sample output from the show usb tree command. Optional One of the ten available flash drives you can choose from; valid values: If you do not specify a number, 0 is used by default. Use the show usbtoken command to verify whether a USB eToken is inserted in the router. The following example is sample output from the show usbtoken command:.

To display information about the currently loaded software along with hardware and device information, use the show version command in user EXEC, privileged EXEC, or diagnostic mode. Options include:. This command was modified to include information about the clock card on CMTS routers.

Support for this command on the Supervisor Engine 2 was extended to This command displays information about the Cisco IOS software version currently running on a routing device, the ROM Monitor and Bootflash software versions, and information about the hardware configuration, including the amount of system memory. Because this command displays both software and hardware information, the output of this command is the same as the output of the show hardware command.

The show hardware command is a command alias for the show version command. Specifically, the show version command provides the following information:. Entering show version without any of the options on the Cisco ASR Series Router will generate output similar to show version on other Cisco routers. In order to understand the show version output on Cisco ASR Series Routers, it is important to understand that the individual sub-packages run the processes on the router.

Among other things, the output of this command provides information on where various individual sub-packages are stored on the router, and which processes these individual sub-packages are and are not currently running. More specifically, the show version installed command displays each individual sub-package file on the router, the hardware where the sub-package could be running, and whether the sub-package is currently being run on that hardware.

The output includes the individual sub-package file, the hardware where the sub-package could be running, and whether the sub-package is currently being run on that hardware. The show version running command displays only the individual sub-packages that are currently active. The output includes the individual sub-package file and the hardware where the sub-package is running.

The following is sample output from the show version command issued on a Cisco router running Cisco IOS Release This output shows the total bandwidth capacity and the bandwith capacity that is configured on the Cisco For example, Note In the full software image filename, Registered Cisco. It is Cisco's policy to enforce its copyrights against any third party who infringes on its copyright. The system "bootflash" software, stored in Flash memory if applicable.

System returned to ROM by reload-reason at time day date. Shows the last recorded reason for a system reset. Possible reset-reason values include:. For example, on some systems, you can configure the device to reset automatically if two or more fans fail. This field was formerly labeled as the "System restarted by" field.

Displays the file location local or remote filesystem and the system image name. Cisco Rx processor revision 1. Memory" requirement for a software image. In the shared memory scheme Cisco , , , and Series , a percentage of DRAM is used for packet buffering by the router's network interfaces. The second value, K, is the Packet memory.

Shows the current configured hex value of the software configuration register. If the value has been changed with the config-register command, the register value that will be used at the next reload is displayed in parenthesis. The boot field final digit of the software configuration register dictates what the system will do after a reset. The factory-default setting for the configuration register is 0x This value indicates that the router will attempt to load a Cisco IOS software image from Flash memory and load the startup configuration file.

This example shows how to display the configuration of the system hardware, the software version, the names and sources of configuration files, and the boot images:. Table describes the fields that are shown in the example.

Version number. Always specify the complete version number when reporting a possible software problem. In the example output, the version number is Log of how the system was last booted, both as a result of normal system startup and of system error.

For example, information can be displayed to indicate a bus error that is typically the result of an attempt to access a nonexistent address, as follows:. If the software was booted over the network, the Internet address of the boot host is shown. If the software was loaded from onboard ROM, this line reads "running default software.

Remaining output in each display that shows the hardware configuration and any nonstandard software options. The output of the show version EXEC command can provide certain messages, such as bus error messages. If such error messages appear, report the complete text of this message to your technical support specialist. The following is sample output from the show version command for a Cisco uBR VXR with the cable clock card installed:. Table describes significant fields shown in these displays.

Also displayed is a log of how the system was last booted, as a result of normal system startup or system error. The remaining output in each display shows the hardware configuration and any nonstandard software options. The output of the show version command can also provide certain messages, such as bus error messages. In the following example, the show version installed command is entered on a Cisco ASR Series Router in diagnostic mode.

In the following example, the show version provisioned command is entered to gather information on which sub-packages are provisioning which components on the router. In the following example, the show version running command is entered to view which sub-packages are active on which hardware elements on the router. Table show version installed, provisioned, and running Field Descriptions. Reveals if the sub-package is active or inactive for the specific hardware component only.

The SHA1 sum for the file. Displays hardware and diagnostic information for a networking device, a line card, a processor, a jacket card, a chassis, or a network module. To display the statistics for attempted warm reboots, use the show warm-reboot command in privileged EXEC mode. Use the show warm-reboot command to see if warm rebooting is enabled, and, if so, how many warm reloads have occurred and how much space in kilobytes KB is consumed by warm-reboot storage, which is the RAM area used to store the data segment that enables warm reloading to function.

The following example is sample output from the show warm-reboot command:. To display the intercept status, use the show wiretap command in privileged EXEC mode. If the id is not specified , information for all wiretap configurations and IDBs is displayed. Use the show wiretap command to display the intercept status. The following is sample output from the show wiretap command. To display information about the terminal line of the current user, including host name, line number, line speed, and location, use the show whoami command in EXEC mode.

If text is included as an argument in the command, that text is displayed as part of the additional data about the line. To prevent the information from being lost if the menu display clears the screen, this command always displays a --More-- prompt before returning. Press the space bar to return to the prompt. The following example is sample output from the show whoami command:.

This command was introduced on the Cisco VXR router. It was introduced in ROMmon version Use the showmon command when you are in ROM monitor mode. Use the show rom-monitor command when you are in Cisco IOS. Skip to content Skip to search Skip to footer. Book Contents Book Contents. Introduction A through B C commands D through E F through K L through mode monitor event-trace through Q R through setup show through show fm summary show gsr through show monitor event trace show monitor permit list through show process memory show protocols through showmon slave auto-sync config through terminal-type test cable-diagnostics through xmodem ASCII Character Set and Hexadecimal Values.

Find Matches in This Book. Log in to Save Content. PDF - Complete Book Chapter: show protocols through showmon. Chapter Contents show protocols show region show registry show reload show resource-pool queue show rhosts show rom-monitor show rom-monitor slot show running identity policy show running identity profile show running-config show running-config control-plane show running-config map-class show running-config partition show scp show slot show slot0: show slot1: show software authenticity file show software authenticity keys show software authenticity running show stacks show startup-config show subsys show sup-bootflash show sysctrl show system jumbomtu show tech-support show template show usb controllers show usb device show usb driver show usb port show usb tree show usbtoken show version show warm-reboot show wiretap show whoami showmon Close.

Usage Guidelines The show protocols command shows the global and interface-specific status of any configured Level 3 protocol. Examples The following is sample output from the show protocols command. Using address of vmi1 0. Command Default All memory regions are displayed. Usage Guidelines This command can be useful for troubleshooting system bus errors. Transient Memory Allocation The Transient Memory Allocation feature is enabled on platforms like the Cisco series router and the Cisco series router.

End End address of the memory block. Size b Size of the memory block. Class Class of the memory. Media Type of the region media. Name Name of the region. It is a type of packet memory. Local Local memory. IText Image text memory. The core function of Cisco IOS is to enable data communications between network nodes. Psssst: Is macOS a network operating system? Is BIOS serial number unique? What is router operating system? What operating system does Cisco use? What is the function of Ubuntu?

How do I change the auto brightness on iOS 13? What does a administrative assistant do? Can you copy an operating system to another computer? What is the task view button in Windows 10? How do I run two operating systems on Windows 7? Close Buscar.

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