How to Configure PAgP and LACP

How to Configure PAgP and LACP in Packet Tracer

PAgP and LACP

Note: We are going to configure PAGP and LACP, PAGP on Cisco Switches, and LACP on Other Switches as well.

Basic Configuration of STP Enabled Switches

Switch 1

Switch>enable

Switch# configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

Switch (config) #hostname SW1

SW1 (config) #end

SW1# show spanning-tree

Spanning-Tree Show Command

SW1#

Switch 2

Switch>enable

Switch# configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

Switch (config) #hostname SW2

SW2 (config) #end

SW2# show spanning-tree

Spanning-Tree Show Command

SW2#

Switch 3

Switch>enable

Switch# configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

Switch (config) #hostname SW3

SW3 (config) #end

SW3# show spanning-tree

Spanning-Tree Show Command

SW3#

Switch 4

Switch>enable

Switch# configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

Switch (config) #hostname SW4

SW4 (config) #end

SW4# show spanning-tree

Spanning-Tree Show Command

SW4#

How to Configure Etherchannel PAgP on Switches 1 and 2

How to Configure Etherchannel PAgP in Packet Tracer

Switch 1

SW1# configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

SW1 (config) # interface range fastEthernet 0/1-2

SW1 (config-if-range) #channel?

Etherchannel Group Name

SW1 (config-if-range) #channel-group?

Etherchannel Group Number

SW1 (config-if-range) #channel-group 1?

Etherchannel Group Mode

SW1 (config-if-range) #channel-group 1 mode?

Etherchannel PAGP Mode Auto

SW1 (config-if-range) #channel-group 1 mode auto

SW1 (config-if-range) # end

SW1#

Creating a port-channel interface Port-channel 1

Port-Channel Status

Switch 2

SW2# configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

SW2 (config) # interface range fastEthernet 0/1-2

SW2 (config-if-range) #channel-group 1 mode?

PAGP Mode Desirable

SW2 (config-if-range) #channel-group 1 mode desirable

SW2 (config-if-range) # end

SW2#

Creating a port-channel interface Port-channel 1

Port-Channel Status

Verification

Switch 1

SW1# show etherchannel

Etherchannel Show Command

SW1# show etherchannel summary

Etherchannel Summary Command

SW1# show interfaces etherchannel

Etherchannel Interfaces

Etherchannel Interfaces

Port-Channel

SW1#

Switch 2

SW2# show etherchannel

Etherchannel Show command

SW2# show etherchannel summary

EtherChannel Summary Command

SW2# show interfaces etherchannel

Etherchannel Interfaces

Etherchannel Interfaces

Port-Channel

SW2#

How to Configure Etherchannel LACP on Switches 3 and 4

How to Configure Etherchannel LACP in Packet Tracer

Switch 3

SW3 # configure terminal

 Enter configuration commands, one per line.  End with CNTL/Z.

SW3 (config) # interface range fastEthernet 0/1-2

SW3 (config-if-range) #channel-group 1 mode?

Etherchannel LACP Mode Active

SW3 (config-if-range) #channel-group 1 mode active

SW3 (config-if-range) #end

SW3#

Creating a port-channel interface Port-channel 1

LACP Port-Channel Status

Switch 4

SW4 # configure terminal

 Enter configuration commands, one per line.  End with CNTL/Z.

SW4 (config) # interface range fastEthernet 0/1-2

SW4 (config-if-range) #channel-group 1 mode?

Etherchannel LACP Mode Passive

SW4 (config-if-range) #channel-group 1 mode passive

SW4 (config-if-range) # end

SW4#

Creating a port-channel interface Port-channel 1

LACP Port-Channel Status

Verification

Switch 3

SW3# show etherchannel

Etherchannel Command

SW3# show etherchannel summary

Etherchannel Summary

SW3# show interfaces etherchannel

Etherchannel Interfaces

Etherchannel Interfaces

Port-Channel Status

SW3#

Switch 4

SW4# show etherchannel

Etherchannel command

SW4# show etherchannel summary

Etherchannel Summary

SW4# show interfaces etherchannel

Etherchannel Interfaces

Etherchannel Interfaces

Port-Channel Status

How to Configure and Enable Etherchannel PAgP on many Groups

How to Configure Etherchannel PAgP on Many Groups

Switch 5

Switch>enable

Switch# configure terminal

Switch (config) # hostname SW5

SW5 (config) # interface range fastEthernet 0/1-2

SW5 (config-if-range) #channel-group 1 mode auto

SW5 (config-if-range) # exit

SW5 (config) #

Creating a port-channel interface Port-channel 1

Port-Channel Status

SW5 (config) # interface range fastEthernet 0/23-24

SW5 (config-if-range) #channel-group 2 mode auto

SW5 (config-if-range) # end

SW5#

Creating a port-channel interface Port-channel 2

Port-Channel Status

Switch 6

Switch> enable

Switch# configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

Switch (config) # hostname SW6

SW6 (config) # interface range fastEthernet 0/1-2

SW6 (config-if-range) #channel-group 1 mode desirable

Creating a port-channel interface Port-channel 1

Port-Channel Status

SW6 (config) # interface range fastEthernet 0/23-24

SW6 (config-if-range) #channel-group 2 mode desirable

SW6 (config-if-range) # end

SW6#

Creating a port-channel interface Port-channel 2

Port-Channel Status

Verification of PAgP on Switches 5 and 6

Switch 5

SW5# show etherchannel

Etherchannel Command

SW5# show etherchannel summary

Etherchannel Summary

SW5# show interfaces etherchannel

Etherchannel Interfaces

Etherchannel Interfaces

Etherchannel Interfaces

Etherchannel Interfaces

Port-Channel Status

SW5#

Switch 6

SW6# show etherchannel

Etherchannel Command

SW6# show etherchannel summary

Etherchannel Summary

SW6# show interfaces etherchannel

Etherchannel Interfaces

Etherchannel Interfaces

Etherchannel Interfaces

Etherchannel Interfaces

Port-Channel Status

SW6#

How to Configure Etherchannel LACP on many Groups

How to Configure Etherchannel LACP on many Groups

Switch 7

Switch>enable

Switch# configure terminal

Switch (config) # hostname SW7

SW7 (config) # interface range fastEthernet 0/1-2

SW7 (config-if-range) #channel-group 1 mode active

SW7 (config-if-range) # exit

SW7 (config) #

Creating a port-channel interface Port-channel 1

Port-Channel Status

SW7 (config) # interface range fastEthernet 0/23-24

SW7 (config-if-range) #channel-group 2 mode active

SW7 (config-if-range) # end

SW7#

Creating a port-channel interface Port-channel 2

Port-Channel Status

Switch 8

Switch>enable

Switch# configure terminal

Switch (config) # hostname SW8

SW8 (config) # interface range fastEthernet 0/1-2

SW8 (config-if-range) #channel-group 1 mode passive

SW8 (config-if-range) # exit

SW8 (config) #

Creating a port-channel interface Port-channel 1

Port-Channel Status

SW8 (config) # interface range fastEthernet 0/23-24

SW8 (config-if-range) #channel-group 2 mode passive

SW8 (config-if-range) # end

SW8#

Creating a port-channel interface Port-channel 2

Port-Channel Status

Verification on Switches 7 and 8

Switch 7

SW7# show etherchannel

Etherchannel Command

SW7# show etherchannel summary

Etherchannel Summary

SW7# show interfaces etherchannel

Etherchannel Interfaces

Etherchannel Interfaces

Etherchannel Interfaces

Etherchannel Interfaces

Port-Channel Status

SW7#

Switch 8

SW8# show etherchannel

Etherchannel Command

SW8# show etherchannel summary

Etherchannel Summary

SW8# show interfaces etherchannel

Etherchannel Interfaces

Etherchannel Interfaces

Etherchannel Interfaces

Etherchannel Interfaces

Port-Channel Status

SW8#

Verification of STP enabled Switches 5, 6, 7, and 8

Switch 5

SW5# show spanning-tree

Spanning-Tree Verification

SW5#

Switch 6

SW6# show spanning-tree

Spanning-Tree Verification

SW6#

Switch 7

SW7# show spanning-tree

Spanning-Tree Verification

SW7#

Switch 8

SW8# show spanning-tree

Spanning-Tree Verification

SW8#

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