Some Basic Networking Commands for beginners in Networking Profession part-2

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Here some other basic command which is used in the networking field and another part of the article

Some Basic Networking Commands For Beginners In Networking Profession

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SW#show interface vlan1 Show detailed information of the specified interface, status, protocol, duplex, speed, encapsulation, last 5 min traffic.
SW#show interfaces description Show the description of all the interfaces
SW#show interfaces status show the status of all the interfaces like speed, duplex, trunk or access VLAN, connection
SW#show crypto key mypubkey rsa Show the public encryption key which used for SSH.
SW#show dhcp lease Show Information about the leased IP Address
SW(config)#ip domain-name Configure DNS domain name
SW(config)#username admin password abc123 Configure a username and password
SW(config)#crypto key generate rsa
How many bits in the modulus
[512]: 1024
Generate encryption Key
SW(config)#ip ssh version 2 Define SSH version to use
SW(config)#line vty 0 4
SW(config-line)#login local
SW(config-line)#transport input telnet ssh
Enable vty lines to use SSH
SW(config-if)#switchport mode access Make the switch interface as access port
SW(config-if)#switchport port-seciirity Enable port security on the interface
SW(config-if)#switchport port-seciirity maximum 1 specify the maximum number of allowed MAC Address
SW(config-if)#switchport port-security violation shutdown Define the action to take when violation occurs
SW(config-if)#switchport port-security mac-address Specify the allowed MAC addresses
SW#show mac-address-table Show the entries of the mac address table
SW#show port security Overview of port security of all interfaces
SW#show port security interface fa0/5 shows detailed information about port security on the specified interface

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