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Port-channel load-balance

As explained in Acing the CCNA Exam: Volume 1 Fundamentals and Protocols

port-channel load-balance is a Cisco IOS global configuration command that configures the traffic fields used to select EtherChannel member links.

port-channel load-balance is a Cisco IOS global configuration command that selects the traffic fields used to choose an EtherChannel member link. Frames are balanced by flow, so messages in the same flow stay on the same physical link. section 16.5 section 16.3

Common parameters include:

  • The default varies by switch model and IOS version; changing parameters can help when traffic is unevenly distributed. section 16.3

Configure and verify

In global configuration mode, configure a parameter such as src-dst-ip with port-channel load-balance src-dst-ip. Verify the selection with show etherchannel load-balance. The show command reports separate handling for non-IP, IPv4, and IPv6 traffic. section 16.5

How Acing the CCNA Exam: Volume 1 Fundamentals and Protocols covers it

How deep it goes
Explains flow-based selection, available address parameters, defaults, and verification, but defers detailed balancing analysis beyond CCNA scope.
Examples
Uses PC-to-server flows, a parameter table, and show etherchannel load-balance output.
What it assumes
Assumes basic understanding of EtherChannel member links, frames, flows, and MAC or IP addressing.
What you can do after
Apply the setting through Cisco IOS and verify the fields used for EtherChannel load balancing.
How it connects
Connects EtherChannel load balancing with flows, MAC addresses, IP addresses, and Layer 2 or Layer 3 EtherChannels.
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