How to wipe the configuration on your Cisco router

Router>enRouter# erase startup-configErasing the nvram filesystem will remove all configuration files! Continue? Erase of nvram: completeRouter# reloadSystem configuration has been modified. Save? : YProceed with reload? After reloading Would you like to enter the initial configuration dialog? : I would choose No and configure myself from here šŸ™‚...

How to reset cisco router password

Step1) Power cycle the router Step2) CTRL + Break (during bootup) Step3) changeĀ Configuration register number rommon 1> confreg do you wish to change the confiugration y/n : n rommon 2> confreg 0x2142 You must reset or power cycle for new config to take efect romon 3> reset //after reboot Would you like to enter...

How to set telnet password on Cisco router and switches

Configure telnet password on Cisco router & switches R1#conf tR1(config)#line vty 0 4R1(config-line)#password ciscoR1(config-line)#loginR1(config-line)#endR1#copy running-config startup-configDestination filename ?Building configuration...R1# //Remember to set your enable password for full access R1(config)#enable secret yourPassWord How to set console password: R1#conf tR1(config)#line con 0R1(config-line)#password ciscoR1(config-line)#loginR1(config-line)#endR1#copy running-config startup-configDestination filename ?Building configuration...R1# Same step for configuring Auxiliary (AUX) port. Just replace...

Set port security and enable auto recovery after violation

Configure port security at desired interface Switch(config)# interface GiX/0/xSwitch(config-if)# switchport access vlan xxSwitch(config-if)# switchport mode accessSwitch(config-if)# switchport port-securitySwitch(config-if)# switchport port-security maximum 2Switch(config-if)# switchport port-security mac-address stickySwitch(config-if)# switchport port-security mac-address sticky xxxx.xxxx.xxxxSwitch(config-if)# switchport port-security violation RestrictSwitch(config-if)# spanning-tree portfastspeed 1000duplex fullspanning-tree portfastspanning-tree bpduguard enable Enable auto recovery from port security violation (recover after 600 sec) Switch(config)#...

How to configure Cisco AP via console

How to configure Cisco AP Prerequisite:9600 baud, 8 data bits, None parity, 1 stop bit & no flow control ap>enap>conf tap(config)# line vty 0 4ap(config-line)# login localap(config-line)# exitap(config)# line console 0ap(config-line)# login localap(config-line)# exitap(config)# username admin privilege 15 password passwordap(config)# hostname TestAPTestAP(config)# dot11 ssid testTestAP(config-ssid)# auth openTestAP(config-ssid)# auth key wpa ver 2TestAP(config-ssid)# wpa-psk ascii...

How to remove etherchannel setup on Cisco switch

Remove etherchannel (port-channel) Switch#conf tSwitch(config)#int gix/x/xSwitch(config-if)#no channel-group xSwitch(config)#exitSwitch(config)#no interface port-channelxSwitch(config)# Verify your new change with below commands Switch#show etherchannel summary   You may want to select multiple interfaces Switch(config)#int gi1/0/x, gi2/0/x, gi3/0/x...

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