Cisco router and switch password set (1)

Vswitch password settings:

Switch> enable; enter privileged Mode

Switch # config terminal; enter global configuration mode

Switch (config) # hostname; set the vswitch Host Name

Switch (config) # enable secret xxx; set the privileged encryption password to xxx

Switch (config) # enable password xxx; set the privileged non-password to xxx

Switch (config) # line console 0; enter the control port (Rs232) for initialization

Switch (config-line) # line vty 0 4; enter the virtual terminal virtual tty

Switch (config-line) # login; Allow Logon

Switch (config-line) password xx; set the logon password xx

Switch # exit; return command

Switch VLAN settings:

Switch # vlan database; go to VLAN settings

Switch (vlan) # vlan 2; Create VLAN 2

Switch (vlan) # no vlan 2; Delete VLAN 2

Switch (config) # int f0/1; enter port 1

Switch (config-if) # switchport access vlan 2; the current port 1 is added to VLAN 2

Switch (config-if) # switchport mode trunk; set to trunk Line

Switch (config-if) # switchport trunk allowed vlan 1 and 2; set the allowed VLAN

Switch (config-if) # switchport trunk encap dot1q; Set VLAN Relay

Switch (config) # vtp domain; Set VTP domain Name

Switch (config) # vtp password

Switch (config) # vtp mode server

Switch (config) # vtp mode client

Vswitch IP Address:

Switch (config) # interface vlan 1; enter VLAN 1

Switch (config-if) # ip address; add a remote logon IP address

Switch (config) # ip default-gateway; add default gateway

Switch # dir flash; view memory

Switch display command:

Switch # write; write and save

Switch # show vtp

Switch # show run; view current configuration information

Switch # show vlan; view VLAN

Switch # show interface; view all port information

Switch # show int f0/0; display port 0 Information

Vro display command:

Router # show run; display interface

Router # show interface; display interface

Router # show ip route; displays routes

Touter # show cdp nei; view neighbors

Router # reload; restart

Set password:

Router> enable; enter privileged Mode

Router # config terminal; enter global configuration mode

Router (config) # hostname; set the vswitch Host Name

Router (config) # enable secret xxx; set the privileged encryption password to xxx

Router (config) # enable password xxx; set the privileged non-password to xxx

Router (config) # line console 0; enter the console (Rs232) for initialization

Router (config-line) # line vty 0 4; enter the virtual terminal virtual tty

Router (config-line) # login; Logon Allowed

Router (config-line) password xx; set the logon password xx

Router (config) # (Ctrl + z); returns the privileged Mode

Switch # exit; return command

Configure the IP Address:

Router (config) # int s0/0; Serial serail Interface

Router (config-if) # no shutdown; Start Interface

Router (config-if) # clock rate 6400; set the clock

Router (config-if) # ip address 10.1.1.1 255.255.0.0; set the ip address and subnet mask

Router (config-if) # ip add 10.1.1.2 route 0.0 second

Router (config-if) # int f0/0.1;

Router (config-subif.1) # ip address

Router (config-subif.1) # encapsulation dot1q

Router (config) # config-register 0x2142; skip the configuration file

Router (config) # config-register 0x2102; Use the configuration file normally

Router # reload; reboot

Copy operation:

Router # copy running-config starup-config; Save the Configuration

Router # copy running-config tftp; Upload

Router # copy startup-config tftp

Router # copy tftp flash:; upgrade IOS in privileged Mode

Router # copy tftp startup-config; download the configuration file to nvram

ROM status:

Ctrl + Break; enters ROM monitoring status

Rommon> confreg 0x2142; Skip configuration, 26 36 45xx

Rommon> confreg 0x2102; Use the configuration to restore the working status

Rommon> reset; reboot, equivalent to reboot

Rommon> copy xmodem: flash; upgrade IOS from console

IOS:

Rommon> IP_ADDRESS = 10.65.1.2

Rommon> IP_SUNNET_MASK = 255.255.255.0.0

Rommon> TFTP_SERVER = 10.65.1.1

Rommon> TFTP_FILE = c2600.bin

Rommon> tftpdnld

Rommon> dir flash:

Rommon> boot