How to login cisco switch

How to login cisco switch DEFAULT

Generally, a network switch can be used directly after purchasing. Well, if you want to configure VLAN or shut a port, you should first know how to access the switch. The following three common login methods are illustrated in details by using the FS 3900-24F4S switch as an example. They are the widely used local console port login, the remote login by Telnet, and HTTP login through a web browser which serves as the graphic alternative to the former method with command-line.

Log in to a Network Switch via the Console Port

The console port is used to connect a computer directly to a Gigabit Ethernet switch and manage the switch since there is no display device for the switch. In most cases, it is the very first step to configure your network switch. Here are the detailed steps of logging in to a network switch via the console port.

1. Connect switch console port to the computer serial port with a combination of an RJ45 to RS232 converter cable (provided by the vendor) and an RS232 to USB converter cable (prepared by yourself).

2. Turn on your PC. Install terminal emulation software on the PC. You can use the built-in Hyper Terminal of Windows 2000 on the PC. If no built-in terminal emulation software is available, prepare the terminal emulation software like SecureCRT and the open source Putty.

3. Power on the switch, then open the installed login software (the software Putty is used as an example here), select the serial login mode, and the port is determined by the device manager. Baud Speed: 115200, Stop bits: 1.

Tips: different Ethernet switches may have different baud speed. For example, the baud speed of FS TAP switches are 9600 and 115200.


4. Press the “Open” key and input the default username and password (admin/admin) on the interface popped up, to log in to the switch. Then the configuration can be conducted.

Users can also get access to the basic configuration of the switch through the management port, however, with general authority. Once things go abnormal or involve elevated permissions, the console port which boasts superuser privilege can help accomplish the operation.

Log in to a Network Switch via Telnet

Telnet is a network management protocol, through which an administrator or another user can access someone else’s computer remotely. This method is applicable to the remote management of the switch which has been configured with IP address (default 192.168.1.1) and user account with the administration authority.

1. Connect the management port of the switch to the RJ45 port of the PC with an Ethernet cable like Cat5e and Cat6 cables.

2. Power on the PC. Click “Start” in the bottom left corner of the screen, then click “Run”. Type “telnet 192.168.1.1” command into the window that displays and then click “OK”.

3. Type the username and password (admin/admin) in the login interface, then move on to the configuration menu as shown below. By typing corresponding command, various configurations of switch, like switch stacking, MLAG and LACP, can be set.

It is convenient to modify the network switch parameter by login through the Telnet, which spares the use of console cable.

Log in to a Network Switch Through the Web Browser

It is viable to access, configure and manage switch through the java-enabled web browser when the network switch has been assigned with IP address and has activated HTTP service. In fact, through a web interface, a lot of parameters of the switch can be modified and configured, and the running status of the switch is visible, which greatly facilitate the management of the network switch. Here is the login procedure of FS S3900-24F4S switch through the web browser:

1. Connect the management port of the switch to the RJ45 port of the PC with an Ethernet cable.

2. Open a web browser. Type the IP address (such as the default 192.168.1.1 or the one set according to your needs) of your switch. Press “Enter” and the login dialog will pop up.

3. Type in the username and password with administrative authority, then click “OK” and you can check the configuration status of the switch, and configure or modify the switch port.

By replacing the text-based command configuration with the intuitive graphic interface, the web login is friendly to the novice.

Summary

The three approaches to access the switch are applicable to all FS network switches. However, not all switch vendors share the same web interface, but the login methods are essentially the same. You can refer to the prompts in the operation or the specification attached to succeed in login.

Sours: https://community.fs.com/blog/three-approaches-to-log-in-to-your-network-switch.html

How to Configure Cisco Switch: A Step-by-Step Guide with Commands

How to configure Cisco switches - A step-by-step guide

When we think of connectivity in a network, the router is probably the first device that comes to mind, but switches play a vital role in enabling network devices to communicate.

Switches can take incoming/outgoing traffic and pass it onward toward its final destination. Cisco is one of the most well-known switch vendors on the market and in this article, we’re going to look at how to configure Cisco switches with PuTTY and from the command-line.

Getting Started with Cisco Switch Commands

Before we begin, get to know what hardware you’re using, fire up your CLI and download PuTTY.

The first step is to check what hardware you’re using before you begin. If you’re using a Cisco switch you need to know what model you have. You also want to check the physical state of the device and verify that none of the cables are damaged. You can turn the router on to make sure there is no damage to the lighting/indicators.

Now that you’ve made sure the device is in working order you’re ready to start configuring. In this guide, we’re going to perform a Cisco switch configuration through the command-line interface (CLI) with the open-source SSH/Telnet client PuTTY (although you can use another tool if you prefer). If for any reason putty is not an option for your setup, you can get similar results with a PuTTY alternative.

1. Connect the Switch to PuTTY

To start configuration, you want to connect the switch console to PuTTY. You can do this by doing the following:

  1. Connect the switch to PuTTY with a 9-pin serial cable.
  2. Now open PuTTY and the PuTTY Configuration window will display. Go to the Connection type settings and check the Serial option (shown below).
    PuTTY Configuration sample screenshot
  3. Go to the Category list section on the left-hand side and select the Serial option.
  4. When the options controlling local serial lines page displays enter the COM port your network is connected to in the Serial line to connect to box e.g. COM1.
  5. Next, enter the digital transmission speed of your switch model. For 300 and 500 Series Managed Switches, this is 115200.
  6. Go to the Data bits field and enter 8.
  7. Now go to the Stops bits field and enter 1.
  8. Click on the Parity drop-down menu and select the None option.
  9. Go to the Flow Control drop-down menu and select the None option.

Save Your Settings and Start the PuTTY CLI

To save your PuTTY settings for your next session do the following:

  1. Click on the Session option from the Category list on the left-hand side of the page.
    PuTTY Configuration - specify destination screenshot
  2. Go to the Saved Session field and enter a name for your settings e.g. Comparitech.
  3. Click the Save button to store the settings.
  4. Press the Open button at the bottom of the page to launch the CLI.

The following message will display in the command prompt:

Switch>

2. Enter Privileged EXEC Mode and Set a Hostname for the Switch

Type in the enable command to enter privileged EXEC mode (you don’t need a password at this stage because you’re under the default configurations which don’t have one!):

Enable 

Next, enter Global Configuration Mode and enter the following command:

Switch# configure terminal Switch(config)#

You can make the switch easier to locate in the network by assigning a hostname. Enter the following command to assign a hostname:

Switch(config)# hostname access-switch1 access-switch1(config)#1

3. Assign a Password to the Switch

Once you’ve assigned a hostname you will want to create a password to control who has access to the privileged EXEC mode (to prevent everyone from being able to log in). To assign an administrator password to enter the following command:

access-switch1(config)# enable secret COMPARI7ECH

Remember to pick a strong password so that it’s harder to figure out.

4. Configure Telnet and Console Access Passwords

The next step is to configure passwords for Telnet and console access. Configuring passwords for these is important because it makes your switch more secure. If someone without authorization gains telnet access then it puts your network at serious risk. You can configure passwords by entering the following lines (See the top paragraph for Telnet and the bottom paragraph for Console access).

Telnet

access-switch1(config)# line vty 0 15access-switch1(config-line)# password COMPARI7ECHaccess-switch1(config-line)# loginaccess-switch1(config-line)# exitaccess-switch1(config)#

Console

access-switch1(config)# line console 0access-switch1(config-line)# password COMPARI7ECH access-switch1(config-line)# loginaccess-switch1(config-line)# exitaccess-switch1(config)#

5. Configure IP Addresses With Telnet Access

The next step is to decide which IP addresses will have access to Telnet, and add them with the PuTTY CLI. To select permitted IP’s enter the following command (replace the listed IPs with the IPs of the components you want to grant permission to):

access-switch1(config)# ip access-list standard TELNET-ACCESSaccess-switch1(config-std-nacl)# permit 216.174.200.21access-switch1(config-std-nacl)# permit 216.174.200.21access-switch1(config-std-nacl)# exit

You can also configure your network’s access control lists (ACLs) to virtual terminal (VTY) lines. ACLs ensure that only the administrator can connect to the router through Telnet.

access-switch1(config)# line vty 0 15access-switch1(config-line)# access-class TELNET-ACCESS inaccess-switch1(config-line)# exitaccess-switch1(config)#

6. Configure a Network Management IP address (or Management Interface)

Next, you need to configure a network management IP address. Switches don’t come with an IP address by default, meaning that you can’t connect to it with Telnet or SSH. To solve this problem you can select a virtual LAN(VLAN) on the switch and create a virtual interface with an IP address. You can do this by entering the following command:

access-switch1(config)# interface vlan 1access-switch1(config-if)# ip address 10.1.1.200 255.255.255.0access-switch1(config-if)# exitaccess-switch1(config)#

The new IP management address is located in VLAN1, which other computers will now use to connect.

7. Assign a Default Gateway to the Switch

At this stage, you want to assign a default gateway to the switch. The default gateway is essentially the address of the router that the switch will be communicating with. If you don’t configure a default gateway then VLAN1 will be unable to send traffic to another network. To assign the default gateway, enter the command below (change the IP address to that of your router).

access-switch1(config)# ip default-gateway 10.1.1.254

8. Disable Unused Open Ports

As a best practice, it is a good idea to disable any unused open ports on the switch. Cyber-criminals often use unsecured ports as a way to breach a network. Closing these ports down reduces the number of entry points into your network and makes your switch more secure. Enter the range of ports you want to close by entering the following command (you would change 0/25-48 to the ports that you want to close):

access-switch1(config)# interface range fe 0/25-48access-switch1(config-if-range)# shutdownaccess-switch1(config-if-range)# exitaccess-switch1(config)#

9. Save Your System Configuration Settings

Once you’ve finished configuring the router it’s time to save your system configuration. Saving the configuration will make sure that your settings are the same when you open up your next session. To save enter the following command:

access-switch1(config)# exit access-switch1# wr

Always remember to save any changes to your settings before closing the CLI.

10. Configure NetFlow to Manage Your Cisco Switch (Optional)

It is also a good idea to use a network traffic analyzer to monitor network traffic. As a Cisco device, your switch will have the communication protocol NetFlow. However, it must be configured first. You can configure NetFlow by completing the four steps below. Before we begin, enter Global Configuration Mode by executing the following command:

Switch# configure terminal 

Create a flow record

  1. The first step is to create a flow record (you can change the name). You can do this by entering the following command: #flow record Comparitechrecord
  2. After you’ve entered the previous command you need to set the IPv4 source address, IPv4 destination address, iPv4 protocol, transport source-port, transport destination-port, IPv4 dos, interface input, and interface output. You can do this by entering the following command: Switch# match ipv4 source address Switch# match ipv4 destination address Switch# match ipv4 protocol Switch# match transport source-port Switch# match transport destination-port Switch# match ipv4 tos Switch# match interface input Switch# collect interface output 
  3. To finish configuring the flow record and define the type of data you’re going to collect, enter the following switch configuration commands: Switch# collect interface output Switch# collect counter bytes Switch# collect counter packets Switch# collect timestamp sys-uptime first Switch# collect timestamp sys-uptime last 

Create the Flow Exporter

  1. You must now create the flow exporter to store the information that you want to export to an external network analyzer. The first step is to name the flow exporter: Switch# flow exporter Comparitechexport
  2. Enter the IP address of the server your network analyzer is on (Change the IP address): Switch# destination 117.156.45.241
  3. Configure the interface that you want to export packets with: Switch# destination source gigabitEthernet 0/1 
  4. Configure the port that the software agent will use to listen for network packets: Switch# transport UDP 2055 
  5. Set the type of protocol data that you’re going to export by entering this command: Switch# export-protocol netflow-v9 
  6. To make sure there are no gaps in when flow data is sent enter the following command: Switch# template data timeout 60 

Create a Flow Monitor

  1. Once you’ve configured the flow exporter it is time to create the flow monitor. Create the flow monitor with the following command:< Switch# flow monitor Comparitechmonitor
  2. Associate the flow monitor with the flow record and exporter we configured earlier: Switch# record Comparitechrecord Switch# exporter Comparitechexport
  3. To make sure that flow information is collected and normalized without a delay, enter the following command: Switch# cache timeout active 60 Switch# cache timeout inactive 15 
  4. Enter the exit command: Switch# exit 
  5. You need to input the interfaces that will collect the NetFlow data. If this is an ethernet interface you would enter the following: Switch# interface gigabitEthernet 0/1
  6. Use the following command to configure NetFlow on multiple interfaces (the input command will still collect data in both directions): Switch# ip flow monitor Comparitechmonitor input 
  7. If you want to collect NetFlow data on only one interface then you must use the input and output command. So you would enter the following: Switch# ip flow monitor Comparitechmonitor input Switch# ip flow monitor Comparitechmonitor output 
  8. Exit configuration mode by entering the following command: Switch# exit 
  9. Save your settings to finish.

Configure a Cisco Switch for Peace of Mind! 

Completing simple tasks like configuring passwords and creating network access lists controls who can access the switch can enable you to stay secure online. Incomplete or incorrect configurations are a vulnerability that attackers can exploit.

Configuring a Cisco switch is only half the battle, you also have to regularly monitor its status. Any performance issues with your switch can have a substantial impact on your users.

Using a network monitoring tool and network analyzer can help you to monitor switches remotely and review performance concerns. Taking the time out of your day to configure a switch and assign strong passwords gives you peace of mind so that you can communicate safely online.

Cisco Switch Configuration & Commands FAQs

How to configure a trunk port on a Cisco 2960 switch?

To configure a trunk port on a Cisco 2960 switch:

  1. Enter configuration mode:
configure terminal
  1. Specify the port to use:
interface <interface-id>
  1. Configure the port as a Layer 2 trunk:
switchport mode {dynamic {auto | desirable} | trunk}

These options mean:

  • dynamic auto – The Default. Creates a trunk link if the neighboring interface is set to trunk or desirable mode.
  • dynamic desirable – Creates a trunk link if the neighboring interface is set to trunk, desirable, or auto mode.
  • trunk – Sets the interface in permanent trunking mode.
  1. Specify a default VLAN to use for back up. This is optional:
switchport access vlan <vlan-id>
  1. Specify the native VLAN:
switchport trunk native vlan <vlan-id>
  1. Exit the config mode:
end

How do I set a static IP on a Cisco switch?

A problem with the GUI interface of Cisco switches makes it impossible to assign a static IP address to an interface. Follow these steps for a workaround:

  1. Create a text file on your PC. It doesn’t matter where you save it or what you call it, but make sure you remember where it is. Substitute real values for the tokens shown in angle brackets (<>) below. The text in the file should be:
Config t Interface <VLAN ID> No ip address DHCP Y No ip address <old IP address> IP address <new IP address> <subnet mask> Exit IP default-gateway <gateway IP address>
  1. Access the admin menu of the switch for Switch Management.
  2. In the menu, click on Administration, then File Management, and then select File Operations.
  3. In the File Operations screen, set the following:
  • Operation Type: Update File
  • Destination File Type: Running Configuration
  • Copy Method: HTTP/HTTPS
  • File Name: (Browse to select the file you created on your PC).
  1. Click on Apply.

These steps will create a static IP address, which you can check by going from the main menu to IP Configuration > IPv4 Interface.

Do I have to configure a Cisco switch before it gets to work?

No. The typical Cisco switch is ready to go out-of-the-box. However, you might want to change some parameters to customize its operations. 

Sours: https://www.comparitech.com/net-admin/configure-cisco-switches/
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Access the CLI via PuTTY using a Console Connection on 300 and 500 Series Managed Switches

Objective

Switches can be accessed and configured through the Command Line Interface (CLI). Accessing the CLI allows commands to be entered in a terminal based window. For a user who has had more experience with terminal commands, this may be an easier alternative to navigating the web configuration utility. Certain tasks such as recovering an administrator password can only be performed through the CLI. In order to access the CLI you must use an SSH client. PuTTY is a standard SSH client and can be found here. This document assumes you are connecting to the switch using PuTTY.

The objective of this document is to show you how to access the Command Line Interface (CLI) of a switch and a Secure Shell (SSH) client.

Note: Cisco 200 Series Small Business Managed Switches do not support the CLI.

Applicable Devices | Software Version

Accessing the CLI via PuTTY with a Console Connection

Step 1. Connect the switch to the computer using a standard 9-pin serial cable.

The Cisco DB9 to RJ45 Console Cable also supports console connections, but only if the switch has an RJ45 Console port. An RJ45 Console port resembles an Ethernet port and is labeled CONSOLE on the back of the switch.

Newer laptops don’t have Serial ports on them, so in this case you have to use a USB to Serial adapter. When plugging that into a computer it assigns a COM port number to it that is not COM1. If this is the case for you, you need to know where to look to find the correct COM port number when setting up the connection with PuTTY. Right-click on the Windows logo/Start menu and click on Device Manager to open it.

In the Device Manager, you would look to see what COM port is given to the USB adapter. In this case you would need to use COM4 for the Serial line to make the connection.

Step 2. Open the PuTTY application. The PuTTY Configuration window opens:

Step 3. Under the Connection Type field, click the Serial radio button.

Step 4. In the Category navigation field, choose Serial.

The Options controlling local serial lines page opens:

Step 5. In the Serial line to connect to field, enter the COM port that your device is connected to. The default COM port is COM1.

Step 6. In the Speed (baud) field, enter the digital transmission speed that is compatible with the switch. For 300 and 500 Series Managed Switches, the speed must be set to 115200.

Step 7. In the Data bits field, enter the number of data bits used for each character. The recommended value is 8.

Step 8. In the Stop bits field, enter the number of bits to be sent at the end of every character. The stop bit informs the machine that it has reached the end of a byte. The recommended value is 1.

Step 9. In the Parity drop-down menu, select the method of detecting errors in transmission. The recommended method for detecting errors in transmission is None.

Step 10. In the Flow Control drop-down menu, select the method of preventing data overflow. The recommended method for preventing data overflow is None.

Step 11. (Optional) In order to save the connection settings for future use, go to the Category navigation pane and choose Session. If you do not wish to save the connection settings, skip to Step 14.

Step 12. Under the Saves Sessions field, enter a name for the settings to be saved as.

Step 13. Click Save.

Step 14. Click Open.

The COM1 – PuTTY console window opens.

Step 15. Hit Enter on the keyboard to activate the Command Line Interface (CLI). The log in prompt is displayed:

Step 16. Enter the User Name. The default username is cisco.

Step 14. Enter the Password. The default password is cisco.

Sours: https://www.cisco.com/c/en/us/support/docs/smb/switches/cisco-small-business-300-series-managed-switches/smb4984-access-the-cli-via-putty-using-a-console-connection-on-300-a.html
Configuring Cisco Trunk Ports - How to configure Trunk Port between Cisco Switch

How to configure Cisco switch?

In this article, we'll see how to configure a Cisco switch. Once you configure your Cisco switch, you can start managing your Cisco switch and maintain its versatility, power and performance. Learn how to configure and manage a Cisco Switch with the basic CLI switch commands and configuration steps.

Steps to configure Cisco switch using CLI

Step 1: Use an external emulator such as Telnet or a PuTTY to login to the switch.

  • Initial command prompt "Switch>" appears on the screen.
  • Type "enable" next to it and press "Enter".
  • This will take you into the "EXEC" mode, also known as the Global Configuration mode.
  • Go into configure mode using configure terminal.
  • Enter the configuration commands one per line.

Switch# configure terminal
Switch(config)#

Step 2: Provide a hostname for the switch to function in a particular network environment

Switch(config)#hostname switch
Switch(config)#

Step 3: Configure an administration password (enable secret password)

Switch(config)#enable secret somestrongpass

Note: This password will have to be given before entering into config mode, once it is configured.

Step 4: Configure default gateway

Switch(config)# ip default-gateway IP-address
Switch# show ip route

Step 5: Configure static route

Switch(config)# ip route dest_IP_address mask
Switch# show running-config

Step 6: Configure interface description

Switch(config)#interface fastethernet 0/1
Switch(config-if)#description Development VLAN

Step 7: Clear MAC address table

switch#clear mac address-table

Step 8: Set Duplex mode

Switch(config-if)#duplex full

Step 9: Exit interface configuration mode

Switch(config-if)#exit
Switch(config)#

Step 10: Exit config mode

Switch(config)#exit
Switch#

Step 11: Copy the running configuration into startup configuration using below command

Switch#write memory
Building configuration... [OK]
Switch#

How to configure a Cisco switch with Network Configuration Manager?

You can use Network Configuration Manager's Configlet feature to configure Cisco switch. You can automate the process by pushing the commands for configuring a switch to multiple devices at one go. In case, you want us to help you with configuring your switch on Network Configuration Manager's console, you can contact NCM support.

Configlet NameConfigure Cisco Switch
DescriptionScript execution mode
Execution ModeThis configlet is used to configure Cisco switch along with basic configuration commands
Configlet Content

configure terminal
hostname switch
enable secret somestrongpass
ip default-gateway IP-address
show ip route
ip route dest_IP_address mask
show running-config
interface fastethernet 0/1
description Development VLAN
clear mac address-table
duplex full
exit
exit
write memory

The above table shows how the configuration commands will appear on Network Configuration Manager's Configlet command tab.

Sours: https://www.manageengine.com/network-configuration-manager/configure-cisco-switch.html

To login cisco switch how

Objective

The objective of this document is to show you how to access the Graphical User Interface (GUI) on a Cisco Business switch that is not on an existing network.

Introduction

One of the easiest ways to configure settings and make changes on a switch is by accessing its GUI. The GUI is also referred to as the web-based interface, web-based guidance, web-based utility, web configuration page, or web configuration utility.

Every switch listed below is a managed switch and comes with a GUI. This type of interface, what you see on your screen, shows options for selection. You do not need to know any commands to navigate through these screens. The GUI gives the administrator a tool that contains all of the possible features that can be changed to modify the performance of a switch. In addition, the GUI can give access to a guest account allowing the user to view the settings without allowing any changes.

When setting up a new switch, Cisco Business recommends you do the configurations for the switch before connecting it to your network. This can help avoid potential issues and conflicts.

If you want to access the CLI of a switch that is already on a network, check out Access the CLI via PuTTY using a Console Connection on 300 and 500 Series Managed Switches.

When doing these configurations, you should not be connected to a Virtual Private Network (VPN) or the Internet.

Applicable Switches

  • SF300
  • SG300
  • SF350
  • SG350
  • SG350X
  • SG350XG
  • SF500
  • SG500
  • SG500X
  • SG500XG
  • SF550
  • SF550X
  • SG550X
  • SG550XG

Connect to the Switch

Since the switch isn't on a network, you can connect one end of an Ethernet cable to a numbered port on the switch and the other end to your computer. Make sure the switch has power. An adapter might be needed for the computer, depending on the model.

Determine the IP Address

To access the GUI, you need to know the IP address of the switch. To keep it simple, proceed with one of the following options:

  • If your Cisco Business switch is new, the default IP address is 192.168.1.254.
  • If you can’t remember the IP address or you don’t have a special configuration, use an open paperclip to press the reset button on your switch for at least 10 seconds while it is powered on. This will reset the switch to default settings and the default IP address of 192.168.1.254.
  • If you set a static IP address of the switch, you could enter that IP address instead of the default. This is not recommended as there may be conflicting configurations which may create issues in your existing network.

Access the GUI of the Switch

Now that you know the IP address of the switch, you can access the GUI.

Step 1

Open up a web browser.

If you do not see the web browser you wish to use, you can access it at the bottom left search bar on a Windows computer. Start typing in the name of the application and select it when listed as an option.

Step 2

Enter 192.168.1.254, or the static IP address if configured, and click Enter on your keyboard. This should open the GUI, first displaying the log in screen.

When accessing a switch, this default IP address only applies in situations when the switch is not connected to a router and your computer is connected directly to the switch. If the switch is connected to a router, Dynamic Host Configuration Protocol (DHCP) will, by default, assign an IP address and it may be different.

Step 3

If you see a login screen, skip to Step 8.

If you receive a warning that it is unsafe. This is because you don’t have a certificate registered for the switch. You can choose Proceed, Add Exception, or Advanced. This will vary by web browser.

If you have a pop-up blocker you will need to click to allow the pop-up before you can proceed. The notification usually appears at the top right of the screen.

In this example, Chrome was used for a web browser. This message appears, click Advanced.

Step 4

A new screen will open and you need to click on Proceed to (IP address used to access the switch) (unsafe).

If you are using Firefox as a web browser, you would click Advanced.

Step 6

Click Add Exception.

Step 7

Click Confirm Security Exception.

Step 8

You then need to enter a username and password. The default credentials are cisco for both the username and password the first time. Older switches may use admin as the default username and password. It is highly recommended that you change the password to be more complex for security purposes.

If you are not seeing a login screen, check out the Troubleshooting Tips section below.

Running into issues? Try these troubleshooting tips!

If you have followed the steps, but have not gotten access to the GUI, you may be on a different Local Area Network (LAN) subnet than the switch.

What is a LAN?

A LAN might be as big as several buildings or as small as a home. Everyone connected to the LAN is in the same physical location.

Typically in a LAN, the router uses DHCP to assign each device its own unique internal IP address. They follow one of these patterns:

  • 10.0.0.0 /8 (10.x.x.x)
  • 172.16.0.0 /12 (172.16.x.x - 172.31.x.x)
  • 192.168.0.0 /16 (192.168.x.x)

These addresses are only visible inside a local area network, between devices, and are considered private from outside networks.

Many networks use a 192.168.1.x LAN subnet, but not all do. If you don’t have a connection to the switch, you won’t see the GUI and you will most likely receive an error code. If this occurs, you need to make sure that your network is on the same subnet as your switch while you are doing configurations.

Since the switch IP address is set for the default of 192.168.1.254, you will have to go into your computer and set a static IP address that is in that same subnet in order to connect. The last octet, represented with an x in 192.168.1.x can be any number 2-253. In the unlikely scenario that you have a static IP address configured on your switch, you would need to be in the same subnet as the static IP. For more information on this subnets, read through IP Addressing and Subnetting for New Users.

Remember to follow these steps again to change the IP address of your computer back to using DHCP once you are done with configurations on the switch, before you connect back into the existing network.

Step 1

You can manually assign a local IP address to your computer so it is in the same network as the switch. In Windows, right-click on the computer icon on the bottom right of your screen.

Step 2

Select Open Network & Internet settings.

Step 2 (alternative option)

Click the window icon and then the gear icon on the bottom left of your screen.

Then select Network & Internet.

Step 3

Once you follow one of these options you will see a screen similar to this. Select Change adapter options.

Step 4

Right-click on the network you are using and choose Properties from the drop-down menu. This lets you see what IP is assigned and allows you to change the configuration.

Step 5

Select Internet Protocol Version 4 (TCP/IPv4). Click Properties.

Step 6

Enter a local IP address that is in the same subnet of the switch. In this example, 192.168.1.33 was entered. Click on the spaces in in the Subnet mask box and they will populate automatically. Click OK.

Step 7

Now your laptop should be able to communicate with your switch. Go back to the Access the GUI of the Switch section of this article and follow the steps.

Further Troubleshooting

Other things to try if it is still not connecting:

  • Enter the IP address of the switch using a different web browser, so instead of Chrome, you can use Firefox. If you do not have a second web browser, you can do a search and download one so that app is available to try.
  • Try to enter the IP address with http:// before the IP address.
  • Try to enter the IP address with https:// before the IP address.
  • Perform a reboot for both the laptop and the switch
  • Use the paperclip to do a factory reset on the switch in case that didn't work the first time.

Conclusion

You should now have access to the GUI of the switch that includes a navigation pane down the left side. It contains a list of the top-level features of the switch.

The colors of this page may vary, as well as the top-level features, depending on the equipment and firmware version. The categories and options vary between switches.

This is an example of the navigation pane on an SG550 switch.

Click on the following links to view the a product page for each series of switches. Each one shows dozens of links to other articles on that equipment:

More information can be found in the following links:

On Voice over IP (VoIP) phones, you need to log in as admin and advanced on the GUI to be able to change many of the configurations.

Sours: https://www.cisco.com/c/en/us/support/docs/smb/switches/cisco-550x-series-stackable-managed-switches/1238-tz-log-into-the-gui-of-a-switch.html
How to Connect Cisco Switch using Console Cable \u0026 PUTTY

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. You are then prompted to enter and configure a new password for the Cisco account. Password complexity is enabled by default. If the password that you choose is not complex enough, you are prompted to create another password.

Since passwords are used to authenticate users accessing the device, simple passwords are potential security hazards. Therefore, password complexity requirements are enforced by default and may be configured as necessary.

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).

Note: You have the option to configure the password strength and complexity settings through the web-based utility of the switch as well. click here for instructions.

Applicable Devices | Software Version

Configure Password Settings through the CLI

From the options below, choose the password settings that you want to configure:

Configure Basic Password Settings

Configure Line Password Settings

Configure Enable Password Settings

Configure Service Password Recovery Settings

Configure Password Complexity Settings

Configure Password Aging Settings

Configure Basic Password Settings

Step 1. Log in to the switch console. The default username and password is cisco.

Note: The available commands or options may vary depending on the exact model of your device. In this example, the SG350X switch is used.

Step 2. You will be prompted to configure new password for better protection of your network. Press Y for Yes or N for No on your keyboard.

Note: In this example, Y is pressed.

Step 3. Enter the old password then press Enter on your keyboard.

Step 4. Enter and confirm the new password accordingly then press Enter on your keyboard.

Step 5. Enter Privileged EXEC mode with the enable command. In the Privileged EXEC mode of the switch, save the configured settings to the startup configuration file, by entering the following:

Step 6. (Optional) Press Y for Yes or N for No on your keyboard once the Overwrite file [startup-config]… prompt appears.

You should now have configured the basic password settings on your switch through the CLI.

Configure Line Password Settings

Step 1. Log in to the switch console. The default username and password is cisco. If you have configured a new username or password, enter those credentials instead.

Step 2. In the Privileged EXEC mode of the switch, enter the Global Configuration mode by entering the following:

Step 3. To configure a password on a line such as console, Telnet, Secure Shell (SSH), and so on, enter the password Line Configuration mode by entering the following:

Note: In this example, the line used is Telnet.

Step 4. Enter the password command for the line by entering the following:

The options are:

  • password — Specifies the password for the line. The length ranges from 0 to 159 characters.
  • encrypted — (Optional) Specifies that the password is encrypted and copied from another device configuration.

Note: In this example, the password Cisco123$ is specified for the Telnet line.

Step 5. (Optional) To return the line password to the default password, enter the following:

Step 6. Enter the end command to go back to the Privileged EXEC mode of the switch.

Step 7. (Optional) In the Privileged EXEC mode of the switch, save the configured settings to the startup configuration file, by entering the following:

Step 8. (Optional) Press Y for Yes or N for No on your keyboard once the Overwrite file [startup-config]… prompt appears.

You should now have configured the line password settings on your switch through the CLI.

Configure Enable Password Settings

When you configure a new enable password, it is automatically encrypted and saved to the running configuration file. No matter how the password was entered, it will appear in the running configuration file with the keyword encrypted together with the encrypted password.

Follow these steps to configure the enable password settings on your switch through the CLI:

Step 1. Log in to the switch console. The default username and password is cisco. If you have configured a new username or password, enter those credentials instead.

Step 2. In the Privileged EXEC mode of the switch, enter the Global Configuration mode by entering the following:

Step 3. To configure a local password on specific user access levels on your switch, enter the following:

The options are:

  • level privilege-level — Specifies the level for which the password applies. The level ranges from 1 to 15. If not specified, the level is set to the default value of 15. The user levels are as follows:

- Read-Only CLI Access (1) — User cannot access the GUI, and can only access CLI commands that do not change the device configuration.

- Read/Limited Write CLI Access (7) — User cannot access the GUI, and can only access some CLI commands that change the device configuration. See the CLI Reference Guide for more information.

- Read/Write Management Access (15) — User can access the GUI, and can configure the device.

Note: In this example, the password Cisco123$ is set for the level 7 user account.

  • unencrypted-password — The password for the username that you are currently using. The length ranges from 0 to 159 characters.

Note: In this example, the password Cisco123$ is used.

  • encrypted encrypted-password — Specifies that the password is encrypted. You can use this command to enter a password that is already encrypted from another configuration file of another device. This will allow you to configure the two switches with the same password.

Note: In this example, the encrypted password used is 6f43205030a2f3a1e243873007370fab. This is the encrypted version of Cisco123$.

Note: In the above example, the enable password Cisco123$ is set for the level 7 access.

Step 4. (Optional) To return the user password to the default password, enter the following:

Step 5. Enter the exit command to go back to the Privileged EXEC mode of the switch.

Step 6. (Optional) In the Privileged EXEC mode of the switch, save the configured settings to the startup configuration file, by entering the following:

Step 7. (Optional) Press Y for Yes or N for No on your keyboard once the Overwrite file [startup-config]… prompt appears.

You should now have configured the enable password settings on your switch through the CLI.

Configure Service Password Recovery Settings

The service password recovery mechanism provides you with physical access to the console port of the device with the following conditions:

  • If password recovery is enabled, you can access the boot menu and trigger the password recovery in the boot menu. All configuration files and user files are kept.
  • If password recovery is disabled, you can access the boot menu and trigger the password recovery in the boot menu. The configuration files and user files are removed.
  • If a device is configured to protect its sensitive data with a user-defined passphrase for Secure Sensitive Data, then you cannot trigger the password recovery from the boot menu even if password recovery is enabled.

Service password recovery is enabled by default. Follow these steps to configure the service password recovery settings on your switch through the CLI:

Step 1. Log in to the switch console. The default username and password is cisco. If you have configured a new username or password, enter those credentials instead.

Step 2. In the Privileged EXEC mode of the switch, enter the Global Configuration mode by entering the following:

Step 3. (Optional) To enable the password recovery setting on the switch, enter the following:

Step 4. (Optional) To disable the password recovery setting on the switch, enter the following:

Step 5. (Optional) Press Y for Yes or N for No on your keyboard once prompt below appears.

Note: In this example, Y is pressed.

Step 6. Enter the exit command to go back to the Privileged EXEC mode of the switch.

Step 7. (Optional) In the Privileged EXEC mode of the switch, save the configured settings to the startup configuration file, by entering the following:

Step 8. (Optional) Press Y for Yes or N for No on your keyboard once the Overwrite file [startup-config]… prompt appears.

You should now have configured the password recovery settings on your switch through the CLI.

Configure Password Complexity Settings

The password complexity settings of the switch enable complexity rules for passwords. If this feature is enabled, new passwords must conform to the following default settings:

  • Have a minimum length of eight characters.
  • Contain characters from at least four character classes such as uppercase letters, lowercase letters, numbers, and special characters available on a standard keyboard.
  • Are different from the current password.
  • Contain no character that is repeated more than three times consecutively.
  • Do not repeat or reverse the users name or any variant reached by changing the case of the characters.
  • Do not repeat or reverse the manufacturers name or any variant reached by changing the case of the characters.

You can control the above attributes of password complexity with specific commands. If you have previously configured other complexity settings, then those settings are used.

This feature is enabled by default. Follow these steps to configure the password complexity settings on your switch through the CLI:

Step 1. Log in to the switch console. The default username and password is cisco. If you have configured a new username or password, enter those credentials instead.

Step 2. In the Privileged EXEC mode of the switch, enter the Global Configuration mode by entering the following:

Step 3. (Optional) To enable the password complexity settings on the switch, enter the following:

Step 4. (Optional) To disable the password complexity settings on the switch, enter the following:

Step 5. (Optional) To configure the minimum requirements for a password, enter the following:

The options are:

  • min-length number — Sets the minimal length of the password. The range is from 0 to 64 characters. The default value is 8.
  • min-classes number — Sets the minimal character classes such as uppercase letters, lowercase letters, numbers, and special characters available on a standard keyboard. The range is from 0 to 4 classes. The default value is 3.
  • not-current — Specifies that the new password cannot be the same as the current password.
  • no-repeat number — Specifies the maximum number of characters in the new password that can be repeated consecutively. Zero specifies that there is no limit on repeated characters. The range is from 0 to 16 characters. The default value is 3.
  • not-username — Specifies that the password cannot repeat or reverse the user name or any variant reached by changing the case of the characters.
  • not-manufacturer-name — Specifies that the password cannot repeat or reverse the name of the manufacturer or any variant reached by changing the case of the characters.

Note: These commands do not wipe out the other settings. Configuring the passwords complexity settings only work as a toggle.

Note: In this example, the password complexity is set to at least 9 characters, cannot repeat or reverse the user name, and cannot be the same as the current password.

Step 6. Enter the exit command to go back to the Privileged EXEC mode of the switch.

Step 7. (Optional) In the Privileged EXEC mode of the switch, save the configured settings to the startup configuration file, by entering the following:

Step 8. (Optional) Press Y for Yes or N for No on your keyboard once the Overwrite file [startup-config]… prompt appears.

You should now have configured the password complexity settings on your switch through the CLI.

To show the password configuration settings on the CLI of your switch, skip to Show Passwords Configuration Settings.

Configure Password Aging Settings

Aging is relevant only to users of the local database with privilege level 15 and to configured enable passwords of privilege level 15. The default configuration is 180 days.

Follow these steps to configure the password complexity settings on your switch through the CLI:

Step 1. Log in to the switch console. The default username and password is cisco. If you have configured a new username or password, enter those credentials instead.

Step 2. In the Privileged EXEC mode of the switch, enter the Global Configuration mode by entering the following:

Step 3. To specify the password aging setting on the switch, enter the following:

  • days — Specifies the number of days before a password change is forced. You can use 0 to disable aging. The range is from 0 to 365 days.

Note: In this example, the password aging is set to 60 days.

Step 4. (Optional) To disable password aging on the switch, enter the following:

Step 5. (Optional) To return the password aging to the default setting, enter the following:

Step 6. Enter the exit command to go back to the Privileged EXEC mode of the switch.

Step 7. (Optional) In the Privileged EXEC mode of the switch, save the configured settings to the startup configuration file, by entering the following:

Step 8. (Optional) Press Y for Yes or N for No on your keyboard once the Overwrite file [startup-config]… prompt appears.

You should now have configured the password aging settings on your switch through the CLI.

To show the password configuration settings on the CLI of your switch, skip to Show Passwords Configuration Settings.

Show Passwords Configuration Settings

Aging is relevant only to users of the local database with privilege level 15 and to configured enable passwords of privilege level 15. The default configuration is 180 days.

Step 1. In the Privileged EXEC mode of the switch, enter the following:

Sours: https://www.cisco.com/c/en/us/support/docs/smb/switches/cisco-small-business-300-series-managed-switches/smb5563-configure-password-settings-on-a-switch-through-the-command.html

Similar news:

Cisco Default Password List

Most routers and switches by Cisco have default passwords of admin or cisco, and default IP addresses of 192.168.1.1 or 192.168.1.254However, some differ as shown in the table below.

Cisco Default Passwords (Valid October 2021)

If you don't see your Cisco device or the default data below doesn't work, see below the table for more help, including what to do.

Cisco ModelDefault UsernameDefault PasswordDefault IP Address
DPC2320[none][none]192.168.0.1
ESW-520-24-K9ciscocisco192.168.10.2
ESW-520-24P-K9ciscocisco192.168.10.2
ESW-520-48-K9ciscocisco192.168.10.2
ESW-520-48P-K9ciscocisco192.168.10.2
ESW-520-8P-K9ciscocisco192.168.10.2
ESW-540-24-K9ciscocisco192.168.10.2
ESW-540-24P-K9ciscocisco192.168.10.2
ESW-540-48-K9ciscocisco192.168.10.2
ESW-540-8P-K9ciscocisco192.168.10.2
RV016adminadmin192.168.1.1
RV042adminadmin192.168.1.1
RV042Gadminadmin192.168.1.1
RV082adminadmin192.168.1.1
RV110Wciscocisco192.168.1.1
RV120Wadminadmin192.168.1.1
RV130ciscocisco192.168.1.1
RV130Wciscocisco192.168.1.1
RV132Wciscocisco192.168.1.1
RV134Wciscocisco192.168.1.1
RV180ciscocisco192.168.1.1
RV180Wciscocisco192.168.1.1
RV215Wciscocisco192.168.1.1
RV220Wciscocisco192.168.1.1
RV320ciscocisco192.168.1.1
RV325ciscocisco192.168.1.1
RV340ciscocisco192.168.1.1
RV340Wciscocisco192.168.1.1
RV345ciscocisco192.168.1.1
RVL200adminadmin192.168.1.1
RVS4000adminadmin192.168.1.1
SF200-48ciscocisco192.168.1.254
SF300-08ciscocisco192.168.1.254
SF300-24ciscocisco192.168.1.254
SF300-24Pciscocisco192.168.1.254
SF300-48ciscocisco192.168.1.254
SF300-48Pciscocisco192.168.1.254
SF302-08ciscocisco192.168.1.254
SF302-08MPciscocisco192.168.1.254
SF302-08Pciscocisco192.168.1.254
SFE1000Padmin[none]DHCP1
SFE2000adminadmin192.168.1.254
SFE2000Padminadmin192.168.1.254
SFE2010adminadmin192.168.1.254
SFE2010Padminadmin192.168.1.254
SG200-08ciscocisco192.168.1.254
SG200-08Pciscocisco192.168.1.254
SG200-26ciscocisco192.168.1.254
SG200-50ciscocisco192.168.1.254
SG300-10ciscocisco192.168.1.254
SG300-10MPciscocisco192.168.1.254
SG300-10Pciscocisco192.168.1.254
SG300-20ciscocisco192.168.1.254
SG300-28ciscocisco192.168.1.254
SG300-28Pciscocisco192.168.1.254
SG300-52ciscocisco192.168.1.254
SG500-28ciscocisco192.168.1.254
SG500-52ciscocisco192.168.1.254
SGE2000adminadmin192.168.1.254
SGE2000Padminadmin192.168.1.254
SGE2010adminadmin192.168.1.254
SGE2010Padminadmin192.168.1.254
SLM2005adminadmin192.168.1.254
SLM2008adminadmin192.168.1.254
SLM2024adminadmin192.168.1.254
SLM2048adminadmin192.168.1.254
SLM224Gadminadmin192.168.1.254
SLM224G4PSadminadmin192.168.1.254
SLM224G4Sadminadmin192.168.1.254
SLM224Padminadmin192.168.1.254
SLM248Gadminadmin192.168.1.254
SLM248G4PSadminadmin192.168.1.254
SLM248G4Sadminadmin192.168.1.254
SLM248Padminadmin192.168.1.254
SPA2102admin[none]192.168.0.1
SPA3102admin[none]192.168.0.1
SPA8000admin[none]192.168.0.1
SPA8800admin[none]192.168.0.1
SRP520adminadmin192.168.15.1
SRP520-Uadminadmin192.168.15.1
SRW2008admin[none]192.168.1.254
SRW2008MPadmin[none]192.168.1.254
SRW2008Padmin[none]192.168.1.254
SRW2016admin[none]192.168.1.254
SRW2024admin[none]192.168.1.254
SRW2024Padmin[none]192.168.1.254
SRW2048admin[none]192.168.1.254
SRW208admin[none]192.168.1.254
SRW208Gadmin[none]192.168.1.254
SRW208Ladmin[none]192.168.1.254
SRW208MPadmin[none]192.168.1.254
SRW208Padmin[none]192.168.1.254
SRW224G4admin[none]192.168.1.254
SRW224G4Padmin[none]192.168.1.254
SRW224Padmin[none]192.168.1.254
SRW248G4admin[none]192.168.1.254
SRW248G4Padmin[none]192.168.1.254
Valet (M10)2adminadmin192.168.1.1
Valet Plus (M20)2adminadmin192.168.1.1
WRP400adminadmin192.168.15.1
WRV200adminadmin192.168.1.1
WRV210adminadmin192.168.1.1
WRV54Gadminadmin192.168.1.1
WRVS4400Nadminadmin192.168.1.1

[1] The Cisco SFE1000P switch's default IP address is assigned via DHCP, meaning that it's different depending on the network that it's installed on. To determine the IP address for your SFE1000P, log in to the router or DHCP server that assigned the dynamic IP and look for it in the list of attached devices.

[2] The Cisco Valet M10 & Valet M20 routers are supported by Linksys. Cisco owned Linksys from 2003 through 2013 and branded the Valet routers with the Cisco name and logo. See our Cisco Valet M10 & Valet Plus M20 default password and support info page for more details.

If your Cisco device isn't listed in the table above, let us know. We'll look up the default login information for it and add it to this list.

Next Steps If the Cisco Default Login or IP Above Doesn't Work

If the default username or password doesn't work, it means that it's been changed.

Unlike residential routers, the Cisco business and enterprise-class routers and switches have specific password recovery features, meaning that a full factory reset (the typical reset-a-password process) isn't required.

If you can't locate the password recovery steps for your device, Cisco Support has a PDF manual for every device, which includes help in this area, too.

Most network devices operate with the default IP address they come with but routers, and especially switches, in business and enterprise environments, are often changed when installed. Learn how to identify network hardware IP addresses on a local network if the default IP isn't working.

Thanks for letting us know!

Sours: https://www.lifewire.com/cisco-default-password-list-2619151


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