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VLANS + EtherChannel Cheat Sheet by

vlan

VTP

vtp domain CCNA
selects the domain for the network
vtp mode server / client
sets the mode of the device
vtp password cisco
passwords for the vtp domain
show vtp status
verifi­cation command for vtp
vtp mode transp­arent
set a device into transp­arent mode

LACP

Conf­igure LACP between two switch
switc­hport mode trunk
in a interface range
switc­hport trunk native vlan 99
set native vlan
chann­el-­group 2 mode active / passive
set ports as active. on one switch active and on the other passive. commands above are the same on both switch

Config­uration 1

Pictures provided by Kilian Stöckler
 

VLAN

vlan 10
create vlan with the number 10
name Manage­ment
assign name to the previously created vlan
show vlan brief
verify vlans
switc­hport mode access
set an interface to access mode to join vlans
switc­hport access vlan 10
put interface into a vlan

DTP

switc­hport mode dynamic desirable
create a dynamic trunk (you need to be in an interface to do this)
show interfaces trunk
verify existing trunks
switc­hport mode trunk
create a static trunk
switc­hport trunk native vlan 99
set the native vlan of a trunk

Config­uration 2

 

PAgP

chann­el-­group 1 mode desirable
set a range of interfaces into desirable mode
chann­el-­group 1 mode auto
set a range of interfaces into auto mode
show run interface f0/3
verifi­cation command
show etherc­hannel summary
show all etherc­hannels

Other verifi­cation commands

show ip interface brief
show overview of all interfaces
show ip route
show all routes
show vlan brief
show overview of all vlans and the ports in it
show interface trunk
show all trunks
tracert [ip]
show if hops to an ip are correct

Config­uration 3

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