Cisco Catalyst 3550

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Catalyst 3550 Multilayer Switch Command Reference
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Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
port-channel load-balance
port-channel load-balance
Use the port-channel load-balance global configuration command to set the load-distribution method
among the ports in the EtherChannel. Use the no form of this command to return to the default setting.
port-channel load-balance {dst-mac | src-mac}
no port-channel load-balance
Syntax Description
Defaults The default is src-mac.
Command Modes Global configuration
Command History
Usage Guidelines When src-mac is used, load distribution based on the source and destination IP address is also enabled.
For all IP traffic being routed, the switch chooses a port for transmission based on the source and
destination IP address. Packets between two IP hosts always use the same port for packet transmission,
but packets between any other pair of hosts might use a different transmission port.
Examples This example shows how to set the load-distribution method to dst-mac:
Switch(config)# port-channel load-balance dst-mac
You can verify your setting by entering the show running-config privileged EXEC command or the
show etherchannel load-balance privileged EXEC command.
Related Commands
dst-mac Load distribution is based on the destination host MAC address. Packets to the
same destination are sent on the same port, but packets to different destinations
are sent on different ports in the channel.
src-mac Load distribution is based on the source MAC address. Packets from different
hosts use different ports in the channel, but packets from the same host use the
same port.
Release Modification
12.1(4)EA1 This command was introduced.
Command Description
interface port-channel Accesses or creates the port channel.