Line password cisco. You can go from level 1 to level 7 or directly to level 15.
Line password cisco Jan 7, 2009 · Here is an example: Username Passwords Optionally, you can configure usernames and associated passwords on a Cisco router. Using the command prompt on PC1, Telnet to S1. Then, you can share this new password only with authorized users. Feb 15, 2016 · The default configuration of a Cisco IOS XE software based networking device only allows you to configure passwords to protect access to user EXEC mode (for local, and remote CLI sessions) and privileged EXEC mode. Method 1 uses both username and password, and Method 2 uses only password to authenticate users. Feb 17, 2022 · Cisco Password Types: Best Practices Three years ago, the Department of Homeland Security (DHS) released an alert on how cyber adversaries obtained hashed password values and other sensitive information from network infrastructure configuration files. Each line can have its own password, or you can tie all of the lines to a local user database. Information About Controlling Router Access with Passwords and Privileges This section provides information about controlling router access with passwords and privileges. So once we configured these credentials we can use them for authentication as well by using login local command even in line console, telnet or ssh. Learn how to configure basic password authentication including Console, VTY Line and Auxiliary Line password authentication. And my orginal username and passwords dont work since i deleted it. Dec 21, 2006 · Hello, When I was configuring a set of Cisco C3750 network switches (firmware version: 12. This includes, setting the passwords for the Console, Telnet/SSH and the Enable (Enable Secret) The following procedure will help starters set up passwords in Cisco Routers and Switches running Cisco IOS. Setting Strong Encrypted Passwords Configuring Password Encryption for Clear Text Passwords Cisco IOS stores passwords in clear text in network device configuration files for several features such as passwords for local and remote CLI sessions, and passwords for neighbor authentication for routing protocols. I haven't been able to fi Mar 14, 2022 · Under the line con 0 I entered "default authorization exec", this basically bypasses the need for entering an enable password. When users attempt to access the switch through a port or line, they must enter the password specified for the port or line before they can access the switch. Nov 30, 2015 · The basic Cisco command line only allows you to protect the router when logging in (accessing the command line), and when using the enable command to become a user with elevated privileges. It also describes the default configuration on startup. The method arguments Example: Step4 Device(config)#end Whattodonext Toremovedisable password recovery,usetheno system disable password recovery switch allglobal configurationcommand. 2 no service timestamps log datetime msec no service timestamps Mar 19, 2002 · By typing a 7 you are telling the router that an already encrypted password is to follow. The Authentication, Authorization, and Accounting (AAA) network services provide the framework or platform through which one can set up Access Control over their router or network server along with its services. Sep 26, 2025 · The passwords for each level are set (by an administrator) using the following command: enable password [level privilege-level] {password|encrypted encrypted-password} Using these passwords, you can raise your user level by entering the command: enable and the password for level 7 or 15. Once the hashes were obtained, the adversaries were able to compromise network devices. The enable password password can be recovered but the enable secret password is encrypted and can Aug 27, 2008 · At a minimum, you should configure passwords and privileges at each switch port. 0 Module 10 - Basic Router Configuration, Curriculum, Syllabus for student latest , Download Slide Powerpoint (PPT) Nov 27, 2024 · Use the aaa authentication password-prompt command to change the default text that the Cisco IOS XE software displays when prompting a user to enter a password. R2#conf t Enter configuration commands, one per line. the vty still remains at level 7. We have trie This chapter provides configuration information about controlling switch access with passwords and privilege levels. Sep 26, 2025 · Default Configuration If no methods are specified, the default are the locally-defined users and passwords. The concept applies also to other Cisco devices as well. line vty 0 4 ! after when I configure login and password command i have the following line vty 0 4 login password cisco If i remove LOGIN Jul 31, 2021 · Secret password type 4 is not supported. It is crucial to set a console port password as it defends against someone from connecting, physically moving up to the router, or gaining access to user mode, and much more. There i Mar 8, 2016 · To overcome this situation, we use enable secret password on the device. To remove configuration from a specific line, use the no form of this command. Both commands accomplish the same thing; that is, you can establish an encrypted password that users must enter to Mar 30, 2020 · It encrypts only line mode passwords. how do i get access back to the switch ? 2. Nov 11, 2025 · Secret password type 4 is not supported. Steps to Reset Password of Cisco Catalyst Switch: Step 1: First, make sure that you have connect serial console port to any device which have terminal emulator for configuring them. 122-50. We are able to configure a different password on each line, however the router randomly selects one of the VTY lines for use when a telnet session is initiated, because of this random Then I tried "login" but with no console password set. R2 is also configured under lint vty 04 with login command. Learn how to configure local Username and Password on Cisco routers for authentication to the device. Oct 2, 2006 · Hi, for a simple telnet password with user name & password, find the steps below, aaa new-model username line vty 0 4 password login local if you wanted different types of users to login with different privilagez,do the following username privilege 15 password username privilege 5 password privilege exec level 15 conf t privilege exec level 5 show line vty 0 4 password login local in the above Jul 30, 2017 · Additional Password Security To provide an additional layer of security, particularly for passwords that cross the network or that are stored on a Trivial File Transfer Protocol (TFTP) server, you can use either the enable password or enable secret global configuration commands. Cisco's routers by default very secure as long as the router is locked inside the room. Jul 25, 2003 · Hi, I am attempting to understand the nuances of setting up secure passwords. But this procedure is same for all series of catalyst switch of Cisco. Use the ( customers only) to obtain more information on the commands used in this section. " Dec 11, 2024 · Use the aaa authentication password-prompt command to change the default text that the Cisco IOS XE software displays when prompting a user to enter a password. Console password : Used to set password for the console access. S1# copy running-config startup Apr 4, 2017 · Solved: Hi team, i am unable to configure console password on nexus switch , kindly help to get the set password in line console. Enable Login using Local Passwords Jan 29, 2013 · If neither the enable password command nor the enable secret command is configured, and if there is a line password configured for the console, the console line password will serve as the enable password for all VTY (Telnet and Secure Shell [SSH]) sessions. Use the 'service password-encryption' command to encrypt the password after you have enterend it. For setting Jul 23, 2025 · Following are steps to reset the password on Cisco catalyst 2950 series switch. Jul 23, 2025 · The Access Control Passwords are generally used to restrict access to a certain network server along with its services for a specified group of users (hosts). In this example, a password is configured for users attempting to use the console. for example aaa authentication login mylogin line none line con 0 login authentication mylogin password test Regards Alain Oct 27, 2022 · This document describes the password recovery procedure for the Cisco Catalyst Layer 2 and Cisco Catalyst Layer 3 fixed configuration switches. This will prompt a user for a password when the enable Mar 23, 2016 · I'm using Putty to connect via a serial connection to the console. Router (config)#security passwords min-length 18 Secure Administrative Access to Cisco Routers by Configuring Multiple Privilege Levels Password encryption is applied to all passwords, including authentication key passwords, the privileged command password, console and virtual terminal line access passwords, and BGP neighbor passwords. Hi to all, The router by default does not care which physical interface your telnet session is coming from, and hence the Telnet lines are Virtual. Interface Ports Default Configuration Information Needed for Configuration Configuring Command-Line Access Configuring Global Parameters Configuring WAN This chapter provides configuration information about controlling switch access with passwords and privilege levels. you can define a new login authentication method not using user/pass and explicitly apply it to the line. While it is common to use the same password for both console and vty there is no requirement that they be the same. SE1. R2 Config: R2 (config)#username abc password 0 xyz R2 (config)#enable password cisco R2 (config)#line vty 0 4 R2 (config-line)#login R2 (config-line)#password google Now , lets validate when R1 tries to telnet to R2 : Output you can have different settings (like passwords) per each line or section of lines; for example 0 4 - password cisco 5 15 - password CIsco for TS purpose i use line 15 only. Cisco devices have four types of passwords. Configure Username & Password Pairs Begin by creating the username and password combinations that you want to allow on your device. Although it is not a requirement of setting vty line password, but generally a good practice to secure console line, enable mode and auxiliary line by setting a password for each. The router prompted me for username, but I don't have one and I can't bypass it lol. I got access to few switches and I am trying to change my Cisco switch password, Used below command to do it. With password recovery disabled, you can still interrupt the boot process and change the password, but the configuration file (config Mar 23, 2011 · Router#config t Router (config)#enable secret or Router (config)#enable password -----If you're trying to change the telnet password:----- Router#config t Router (config)#line vty 0 4 Router (config-line)# password Is the text in red is the actual password to be set? sorry, Im just confused. If we see router only allow console access but no SSH and Telnet access. 1. [h=3]Configurations [/h]This document uses the Router-2 configuration. Apr 1, 2025 · Related - Meaning of line vty 0 4R2 is configured with local username and password along with enable password. 2 Trying 10. We enabled Type 7 encryption with the CLI service password-encryption command. #config t (config)#username ( same existing username ) priv 15 sec 0 my-own-pass #copy running-config startup-config After doi This lesson contains a lab simulation in which you will configure the basic startup information on a Cisco router running the Cisco IOS® Software. When this feature is enabled, the end user can interrupt the boot process only by agreeing to set the system back to the default configuration. This chapter provides configuration information about controlling switch access with passwords and privilege levels. Auxiliary password : It is used to set password to auxiliary port ( if the switch has one. S1#show running-config Building configuration Current configuration : 1168 bytes ! version 12. The method arguments Feb 6, 2003 · Once a password has been set, is it possible to remove it from the configuration? This router is passed around to students studying for the CCNA and they don't always document the password changes correctly. Steps for setting line console password: Apr 27, 2017 · Hi, I have a a doubt regarding to LOGIN command The line VTY at the beginning does not have LOGIN command. UpaaeRouter1(line-config)# password upaae123 // password is the command followed by your desired password UpaaeRouter1(line-config)# login // this command enforce the password for accessing auxiliary port. Feb 17, 2020 · This article provides instructions on how to define basic password settings, line password, enable password, service password recovery, password complexity rules on the user accounts, and password aging settings on your switch through the Command Line Interface (CLI). Apr 22, 2015 · Hi all, Below is my running config -> line con 0 exec-timeout 0 0 privilege level 15 password cisco logging synchronous login q1) how come every time i will enter privilege mode once i enter the console password ? can I choose to enter normal user mode instead ? is it via setting the privilege l Apr 24, 2018 · Syntax Router (config-line)#login Example In this example, login is enabled for console access on R2. As others have correctly stated, the omission of "login" under the respective line keeps the login banner from showing. Jan 29, 2013 · In ICND1 I find this configuration for the line vty : emma (config)#line vty 0 15 emma (config-line)#password love emma (config-line)# login emma (config-line)#exit Why U use here the login command? In my experiance, even without the login command, when you open a TELNET connection, there must be an password set and you have to give the password. Well the username USER password PASSWORD is not used only for ssh actually, it is to configure the username and password in Router’s local database. Giving each person a login and password makes tracking them easier. how do you actually delete the login and password to the line con 0? thanks Configuring Console Access Using Line Password Let’s expand the configuration example above so that console login is only authenticated by the password set on line con 0. To see the passwords encrypted by the service password-encryption command in plain text, issue the no service password-encryption command. When you have successfully completed the lab, you should have some basic knowledge of configuring a Cisco router for startup and a better understanding of the Cisco IOS command-line interface (CLI). These passwords are locally stored on the switch. By using the command line vty 0 4, the configuration below will be applied to all 5 sessions (line 0 to line 4). By using an external authentication service (such as an AAA server This password is the first step for securing a router, a good network administrator should and must add extra layers of security to the routers by setting enable password, line vty (Telnet password), Auxiliray line password and Cisco enable secret password. R2(config)#line vty 0 4 R2(config-line)#password cisco R2(config-line)#login The configuration for vty 0 4 is shown with login enabled. A Router by default has 5 VTY lines, numbered from 0-4. Nov 30, 2018 · Additional Password Security To provide an additional layer of security, particularly for passwords that cross the network or that are stored on a Trivial File Transfer Protocol (TFTP) server, you can use either the enable password or enable secret global configuration commands. This tutorial is specifically for removing line console password, line VTY/TELNET password and auxiliary line password, if you want to know about setting line VTY/TELNET password read this cisco tutorial. Apr 25, 2018 · Syntax Router (config-line)#login Example In this example, login is enabled for virtual terminal access on R2. That alert showed the results of what happens when cyber Apr 15, 2009 · If you're using the password command on the line, you won't be able to do anything other than service password encryption. bin sw1(config-line)#password ? 0 Specifies an UNENCRYPTED password will follow 7 Specifies a HIDDEN passw Apr 9, 2017 · Configuring passwords on Cisco routers and switches In this chapter, we will see how to configure passwords on Cisco routers and switches. As soon as the service password-encryption command is entered, all currently set passwords formerly displayed in plain text are encrypted. In order to set up the The password-recovery disable feature protects access to the switch password by disabling part of this functionality. What is the recommendation to have it enabled (0/7/LINE) when we are particularly concerned about the password inter-operability across vendors? Basically I am having an Cisco wgb associate on Aruba WLAN. Nov 26, 2009 · Introduction This document describes the procedure for recovering an enable password or enable secret passwords. After adding login and a line password, I get the following. Information About Controlling Switch Access with Passwords and Privileges This section provides information about controlling switch access with passwords and privileges. To set the console password to keepout, enter the following commands from global configuration mode: line console 0 password keepout login The login statement enables logins from the console. Setting aTelnet Password foraTerminal Line BeginninginuserEXECmode,followthesestepstosetaTelnetpasswordfortheconnectedterminalline: Beforeyoubegin Dec 14, 2015 · Hi. we used the global service password-encryption command but it only encrypts the enable secret to level 5. Sep 14, 2021 · The router has numbers of ports that allow access to the router and on each of these ports you can specify the password for the maintaining a layer of security to the router. (config)# line console (config-console)# password ? *** No matching command found in current mode, matching in (config) Learn how to remove passwords for console, enable mode, and VTY mode on Cisco routers efficiently. To remove the timeout definition, use the no form of this command. Feature History and Information For Performing Administrator Usernames and Passwords Configuration, on page 5 Well, you don't have to set the password for all 16 lines but if you don't and login is enabled (it is by default), then only the number of vty lines with the password configured can have simultaneous remote connections. That way, all modern kit will accept both parts and all lines will be configured. May 17, 2012 · There are five passwords used to secure your Cisco routers: console, auxiliary, telnet (VTY), enable password, and enable secret. You can go from level 1 to level 7 or directly to level 15. PC> telnet 10. I am able to type enable and get to the # prompt. so now i cant access the switch. To identify a specific line for configuration and enter line configuration collection mode, use the line command in global configuration mode. username <username> privilege 15 password <password> Where privilege 15 = privileged EXEC level and 0 = user. UpaaeRouter1(line-config)# // this prompt confirms that we are at line configuration mode. Command Mode Global Configuration mode User Guidelines Create a list of authentication methods by entering this command with the list-name parameter where list-name is any character string. Jan 12, 2007 · I just purchased a 3845 router and I placed a password in the line console. Nov 29, 2012 · Configuring Security with Passwords, Privileges, and LoginsThe default configuration of a Cisco IOS software-based networking device allows you to configure passwords to protect access only to user EXEC mode (for local and remote CLI sessions) and privileged EXEC mode. How can I password protect a console session so that someone is prompted when plugging a console in to a network switch? If you enable password encryption, it applies to all passwords including username passwords, authentication key passwords, the privileged command password, and console and virtual terminal line passwords. There are primarily two methods for logging into a Cisco router equipment (and also to other networking devices in general). This is the same as entering the command aaa authentication login local. Jul 25, 2021 · History Traditionally Cisco has used several different methods for storing passwords and keys in IOS. Mar 31, 2025 · Use the aaa authentication password-prompt command to change the default text that the Cisco IOS XE software displays when prompting a user to enter a password. Example: Configuring the password for only one vty line. So normally cisco router secure with the five passwords. thanks -robert Jan 22, 2018 · Hello community, I'm in a bit of a pickle and I'm hoping someone can help. No matter what password I supply (0/7/LINE), I see the running configuration returning the Hash value of the password and not the exact password. Jul 14, 2020 · This article provides instructions on how to define basic password settings, line password, enable password, service password recovery, password complexity rules on the user accounts, and password aging settings on your switch through the Command Line Interface (CLI). Authentication Dec 25, 2019 · Information About Passwords and Privilege Levels The following sections provide information on passwords and privilege levels. Jan 27, 2009 · hey all, anyone know how to encrypt the password under line vty? it is a level 7 password and can be easily decoded. Jul 31, 2019 · Follow the steps discussed in this guide to configure a console port password on the Cisco Router. Configuring Global Parameters Configuring Gigabit Ethernet WAN Interfaces Configuring a Loopback Interface Configuring Command-Line Access Configuring Gigabit Ethernet LAN Interfaces Configuring Static Routes Configuring Dynamic Routes Configuring Image and Configuration Dec 11, 2024 · This chapter provides configuration information about controlling switch access with passwords and privilege levels. 2 …Open User Access Verification Password: S1> en Password: S1# b. exec-timeout minutes [seconds Apr 29, 2015 · Do it the way Cisco wants you to do it even though entering the password first overrides the login command. Using a local login and password on the device itself. Verify that the passwords are encrypted. This is a more advanced level of security than line passwords. Still would be nice to get it working like it does on all our older switches. Just as you learned earlier in the chapter, the first two passwords are used to set your enable password that’s used to secure privileged mode. If you need md5, your best bet is to use local accounts and aaa authentication: new aaa-model aaa authentication local default local username routertest priv 15 secret testpassword line vty 0 4 login authentication local This will allow you to have md5 encrypted passwords Mar 27, 2024 · How to configure Console port security on cisco Router There are two methods to configure console port security on a Cisco router. Nov 25, 2009 · hi experts, i know i've encountered this command before and it's at the tip of my head/tongue. What happens when two PCs want to simultaneous connect? Default Configuration If no methods are specified, the default are the locally-defined users and passwords. Interface Ports Default Configuration Information Needed for Configuration Configuring Command-Line Access Configuring Global Parameters Configuring WAN One of the basic configurations when setting up a Cisco Router or a Cisco Switch is setting the passwords. May 27, 2004 · Cisco devices allow password protection of console access. Both commands accomplish the same thing; that is, you can establish an encrypted password that users must enter to One question arises many times how we can configure enable and line passwords on the Cisco router and how we can remove them from the router. Use this command with the level option to define a password for a specific privilege level. Though when I log out of the console and back in it still doesnt ask for a password. Mar 30, 2020 · It encrypts only line mode passwords. There are a few things you can configure on the console port (0 indeed means the first): line con 0 privilege level 15 password 0 mypwd login The link below is a Mar 20, 2018 · But when i do a log off then hit return I get a prompt to enter username and password. Jan 31, 2022 · You need 2 passwords because there are 2 different ways to access the switch. It is not causing a problem, other than I do not get prompted for a password when I telnet into the switch. Aug 14, 2025 · exec-timeout ip telnet disable line line con transport line vty transport line aux transport password (line configuration) privilege level exec-timeout To set the interval that the EXEC command interpreter waits until user input is detected, use the exec-timeout command in line configuration mode. 2(25)SEB4), I apparently incorrectly entered my Virtual Terminal Password. Apr 5, 2024 · This chapter provides configuration information about controlling switch access with passwords and privilege levels. Apr 1, 2025 · Prompts to configure passwords: To make things simpler, we will cover multiple scenarios and understand the behaviour of managed router/L3 or L2 Switch under each scenario. Apr 11, 2019 · CCNA Routing and Switching: Introduction to Networks. The console port is used to physically connect (a PC or laptop) to the device. The older methods are Type 5 (MD5 hash) & Type7 (Vigenere obfuscation). If you are looking for password when you hit enable, you need enable secret or enable password set under global configuration. Preventing Unauthorized Access Default Password and Privilege Level Configuration Additional Password Security Password Recovery Terminal Line Telnet Configuration Username and Password Pairs Privilege Levels Preventing Unauthorized Access You can prevent unauthorized Jul 23, 2025 · One shared password for all authentication purposes is not the safest method. Mar 14, 2016 · This chapter provides procedures for configuring the basic parameters of your Cisco router, including global parameter settings, routing protocols, interfaces, and command-line access. There are some newer methods like Type 8 (SHA2 Line con 0 is when you connect to it via console. This tech-recipe describes configuring the use of a password to protect the console of a Cisco switch. Dec 3, 2021 · Instructions Part 1: Secure Passwords a. This tutorial will benefit CCNA students and networking professional who want a quick go through of disabling passwords for different lines of Cisco devices (Switches/ Routers). ) VTY lines password : Used to set password for telnet and Aug 18, 2017 · Article ID:5563 Configure Password Settings on a Switch through the Command Line Interface (CLI) Objective The first time that you log in to your switch through the console, you have to use the default username and password which is: cisco/cisco. Enable Password Encryption By default, except for the "enable secret" password, all Feb 14, 2019 · Hi All, I have a basic request, to change my password. Mar 31, 2025 · This chapter provides configuration information about controlling switch access with passwords and privilege levels. 2. Jun 22, 2009 · Core Issue Proper passwords protect the router from unauthorized access. While exploring the various parameters to setting up a password for the line console, I encounter the following "Cisco(config-line)#password ? 0 Specifies an UNENCRYPTED password will follow 7 Specifies a HIDDEN passw Dec 11, 2024 · This chapter provides configuration information about controlling switch access with passwords and privilege levels. When both enable password and enable secret password are configured, enable secret password is used to move from User EXEC mode to Privileged EXEC mode. Hi, Have you got aaa new-model enabled ? if so your lines use the default login authentication method based on user/password. Do not assume that a Cisco IOS CLI command works with or has the same function on the ASA. We would like them to remove the passwords they have set up before logging off. End with CNTL/Z. I understand that "vty" means virtual terminal, but what is 0 and what is 4? Why not 1 5, or 0 5, or 2 6, etc, et? CCNA Certification Community LikedLike Answer Share 18 answers 4. Save the current configuration so that any mistakes you might make can be reversed by toggling the power for S1. May 20, 2009 · Hi, can someone clarify why the password I specify below is not accepted? What should I specify as a 'hidden' password then? sw1(config)#line vty 0 15 Platform: c2960-lanbasek9-mz. Dec 13, 2018 · But, in the line console configuration, you can remove the command login local and leave only the command login with a new password. Aug 1, 2022 · Secret password type 4 is not supported. This document describes how you can provide additional levels of security by protecting access to other modes, and commands, using a combination of usernames, passwords and the Jun 9, 2015 · This module provides basic configuration procedures for the Cisco 800M Series ISR and contains the following sections. Somehow I must have mistyped the console password when I first installed the router because I can't get in from the co Mar 13, 2025 · This document describes CLI and GUI methods for Identity Services Engine (ISE) password reset and recovery based on the type of appliance. 39K views Top Rated Answers navneet. In this lesson, we'll take a look how to improve security by adding authentication to the user and enable mode of Cisco IOS devices. So, here is the complete solution that how you can remove the password from the router. I close this session (via Putty), reconnect, and the CLI prompt Jul 6, 2015 · ! line vty 0 4 login authentication default no password ! 1. Feb 13, 2020 · ! ! ! ! line con 0 ! line vty 0 4 password cisco login line vty 5 15 password cisco login ! ! ! ! end S1(config)# service password-encryption d. I tried my normal "login" command but in the router it stated incomplete command. Feb 12, 2022 · Hello,, you are on the right track. Long story short, I have a Cisco 4431 router that is used as the gateway router for my company's Wireless. Nov 14, 2015 · I have following in my config file enable password 12345 line con 0 exec-timeout 0 0 line vty 0 4 password 7 12345 login local length 0 transport input telnet line vty 5 15 password 7 12345 login local length 0 transport input telnet ! password is 12345, so how to hide enable password, line vty 04 a This chapter provides configuration information about controlling switch access with passwords and privilege levels. So, IOS automatically splits the configuration into the two parts: "line vty 0 4" and "line vty 5 15". Resolution Follow these steps to configure console passwords. This is not an official Cisco document, and as such, this information is provided "as-is. These passwords are used to protect access to privileged EXEC and configuration modes. With password recovery disabled, you can still interrupt the boot process and change the password, but the configuration file (config Sep 17, 2009 · Hello The below should provide you with local privilege level 15 access for line interfaces conf t username AdmiN privilege 15 secret xxxxx aaa new-model aaa authentication login default local-case aaa authorization exec default local if-authenticated aaa authorization console Lastly telnet /ssh will be enabled by default on all vty lines but this can be restricted ingress/egress if you wish to. Preventing Unauthorized Access Default Password and Privilege Level Configuration Additional Password Security Password Recovery Terminal Line Telnet Configuration Username and You'll gain hands on experience by engaging in exercises teaching you the Cisco IOS® command-line interface (CLI), which is used to configure and manage Cisco routers. Preventing Unauthorized Access Default Password and Privilege Level Configuration Additional Password Security Password Recovery Terminal Line Telnet Configuration Username and The password-recovery disable feature protects access to the switch password by disabling part of this functionality. so I remove ssh for line vty 15 and put telnet only and my own password; then after TS, i redo config back to originate settings as line 0 14 Like Reply Elvin Arias Soto Dec 13, 2024 · If this password is forgotten, or if a switch is purchased used and is not completely wiped, a "password recovery" procedure can be used to reset the password or completely erase the old configuration file. If you enable password encryption, it applies to all passwords including username passwords, authentication key passwords, the privileged command password, and console and virtual terminal line passwords. question one. Preventing Unauthorized Access Default Password and Privilege Level Configuration Additional Password Security Password Recovery Terminal Line Telnet Configuration Username and Apr 1, 2020 · CCNA 1 Introduction to Networks Course v7. The user EXEC and privileged EXEC password is cisco. We have seen these commands already to configure line access into the device for management purposes. This document describes how you can provide additional levels of security by protecting access to other modes, and commands Nov 27, 2024 · This chapter provides configuration information about controlling switch access with passwords and privilege levels. Jul 23, 2025 · The real encryption process ensues when a password is configured or the existing configuration is written. Aug 14, 2024 · This chapter provides configuration information about controlling switch access with passwords and privilege levels. gaur Edited by Admin February 16, 2020 at 3:11 AM Hi to all, The router by default does not care which physical interface your telnet session is coming from, and hence the Telnet lines are Virtual. Configure In this section, you are presented with the information to configure a Telnet password. 10. Router (config)#line console 0 Router (config-line)#exec-timeout 5 20 Configuring Minimum Password Length This is a configurable feature to enforce the minimum password length for router access. Note: Before performing this test, ensure that you have an alternate connection into the router, such as Telnet or dial-in, in case there is a problem logging back Mar 31, 2025 · This chapter provides configuration information about controlling switch access with passwords and privilege levels. When configuring interface for telnet or ssh, why do we specity line vty 0 4. I found this post Is this how to code it? Im using hyperterminal (tcp/ip Winsock) Also, how can I Use the aaa authentication password-prompt command to change the default text that the Cisco IOS XE software displays when prompting a user to enter a password. I have a line con 0 password set, as shown by show running-config. Router#config terminal Router (config)#line vty 0 4 Router (config-line)#password cisco Router (config-line)#login Router (config-line)#exit By default, a Cisco router supports 5 simultaneous telnet sessions. Jul 29, 2025 · The CLI uses similar syntax and other conventions to the Cisco IOS CLI, but the ASA operating system is not a version of Cisco IOS software. Sep 26, 2025 · Use the ip ssh-client password command to change the SSH client password of the switch’s SSH client so that it matches the new password set on the remote SSH server. If we tried to use a configuration line "line vty 0 15" on one of these older things, the command would completely fail and no lines would be made available. what do u need to add in the show run command in order to hide sensitive passwords? or is it after the pipe " | "? appreciate your responses. Notice that a password is also set before using the login command. Line con 0 refers to the console port of the switch (it is usually either an RJ-45 or, on newer devices, a USB port). The router would just prompt me for local user name and password even there is no "login local" under "line con 0" Then I removed all local usernames but kept "login local" on "line con 0". hltqkgjqndibabjzavbmlcmskosogjiwqpnxdlijdttgroixibiqzcypnghpzzzsnahwifceffdqm