Configuring Etherchannel Load Balancing - Cisco WS-C3750-48PS-S Software Configuration Manual

Configuring EtherChannels
This example shows how to configure an EtherChannel. It assigns two ports to channel 5 with the LACP
mode active:
Switch# configure terminal
Switch(config)# interface range gigabitethernet2/0/1 -2
Switch(config-if-range)# no ip address
Switch(config-if-range)# no switchport
Switch(config-if-range)# channel-group 5 mode active
Switch(config-if-range)# end
This example shows how to configure cross-stack EtherChannel. It assigns two ports on stack member
2 and one port on stack member 3 to channel 5 with the PAgP mode and LACP modes disabled (on):
Switch# configure terminal
Switch(config)# interface range gigabitethernet2/0/3 -4
Switch(config-if-range)# no ip address
Switch(config-if-range)# no switchport
Switch(config-if-range)# channel-group 5 mode on
Switch(config-if-range)# exit
Switch(config)# interface gigabitethernet3/0/3
Switch(config-if)# no ip address
Switch(config-if-range)# no switchport
Switch(config-if)# channel-group 5 mode on
Switch(config-if)# exit

Configuring EtherChannel Load Balancing

This section describes how to configure EtherChannel load balancing by using source-based or
destination-based forwarding methods. For more information, see the
Methods" section on page
Beginning in privileged EXEC mode, follow these steps to configure EtherChannel load balancing. This
procedure is optional.
Command
Step 1 configure terminal
Step 2 port-channel load-balance {dst-ip | dst-mac |
src-dst-ip | src-dst-mac | src-ip | src-mac}
Catalyst 3750 Switch Software Configuration Guide
33-18
33-7.
Purpose
Enter global configuration mode.
Configure an EtherChannel load-balancing method.
The default is src-mac.
Select one of these load-distribution methods:
• dst-ip—Load distribution is based on the destination-host IP
address.
• dst-mac—Load distribution is based on the destination-host
MAC address of the incoming packet.
• src-dst-ip—Load distribution is based on the
source-and-destination host-IP address.
• src-dst-mac—Load distribution is based on the
source-and-destination host-MAC address.
src-ip—Load distribution is based on the source-host IP
•
address.
src-mac—Load distribution is based on the source-MAC
•
address of the incoming packet.
Chapter 33 Configuring EtherChannels
"Load Balancing and Forwarding
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