Cisco switch command

Switch Password settings:

Switch>enable into privileged mode

Switch#config terminal into global configuration mode

Switch (config) #hostname set the host name of the Exchange

Switch (config) #enable secret XXX To set the privileged encryption password

Switch (config) #enable password Xxa set privileged non-secret password

Remote Management Using Telnet

Switch (config) #interface vlan 1 into VLAN 1

Switch (CONFIG-IF) #ip address set IP addresses

Switch (config-if) #ip Default-gateway Set the default gateway

Switch (config) #line vty 0 4 into the virtual terminal

Switch (config-line) #login allow login

Switch (config-line) #password xx Set Login password

Switch#exit return command

Console password

Switch (config) #line console 0 into the console port

Switch (config-line) #login allow login

Switch (config-line) #password xx Set Login password

Switch#exit return command

Basic Interface Configuration

Switch (config) #interface F0/1 into the F0/1 interface

Switch (config-if) #duplex full configured Full-duplex mode

Switch (config-if) #speed 100 configuration Rate

Switch (CONFIG-IF) #description to * * * Interface description

Switch (config) #ip domain-name ***.com settings or a name server

Switch (config) #mac-address-table aging-time set the Mac table timeout

Switch#write Save configuration information

Switch#copy Running-config Startup-config Save the current configuration nvram

Switch#erase startup-config Clear Configuration file

Switch VLAN settings:

Switch#vlan database into VLAN settings

Switch (VLAN) #vlan 2 build VLAN 2

Switch (VLAN) #name name to build VLAN 2

Switch (VLAN) #no VLAN 2 Delete VLAN 2

Note: The ports originally belonging to this VLAN when the VLAN was deleted are inactive until redistributed

Switch (config) #int f0/1 into Port 1

Switch (CONFIG-IF) #switchport mode access current port work Mo try

Switch (config-if) #switchport Access VLAN 2 current port join VLAN 2

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

Switch (config-if) #switchport trunk encapsulation dot1q set VLAN relay protocol

Switch (config-if) #no switchport mode or (switchport mode access) disables the trunk

Switch (config-if) #switchport trunk allowed VLAN add 1,2; add trunk from VLANs

Switch (config-if) #switchport trunk allowed VLAN Remove 1,2; remove trunk from VLANs

Switch (config-if) #switchport trunk pruning vlan Remove 1,2; turn off local trim from trunk

Ethernet Channel Configuration

Switch (config) #interface range FASTERNET0/1-2 bundle FASTERNET0/1 and 0/2 (double not single)

Switch (config-if) #channel-group 1 mode on configure Ethernet channel mode

Switch (config-if) #port-channel load-balance {dst-mac | src-mac} to achieve load balancing between links

Switch#show EtherChannel 1 Summary View channel information

Switch#show EtherChannel load-balance View channel information

VTP configuration

Switch (config) set VTP domain name #vtp domain

Switch (config) #vtp password set VTP password

Switch (config) #vtp mode server to set VTP server modes

Switch (config) #vtp mode client set VTP client model

Switch (config) #vtp mode transparent set VTP transparent mode

Switch (config) #vtp version set VTP versions

Switch (config) #vtp pruning enable VTP repair

Switch (config) #no VTP pruning close VTP repair

Note: To reduce a switch from VTP, you only need to change the VTP name of the switch