Load Balancing Using Etherchannels - Cisco N5010P-N2K-BE Software Configuration Manual

Chapter 11 Configuring EtherChannels
S e n d f e e d b a c k t o n x 5 0 0 0 - d o c f e e d b a c k @ c i s c o . c o m
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Use the show port-channel compatibility-parameters command to see the full list of compatibility
checks that Cisco NX-OS uses.
You can only add interfaces configured with the channel mode set to on to static EtherChannels. You can
also only add interfaces configured with the channel mode as active or passive to EtherChannels that
are running LACP. (See the
modes.) You can configure these attributes on an individual member port.
When the interface joins an EtherChannel, the following individual parameters are replaced with the
values on the EtherChannel:
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The following interface parameters remain unaffected when the interface joins an EtherChannel:
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Load Balancing Using EtherChannels

Cisco NX-OS load balances traffic across all operational interfaces in an EtherChannel by reducing part
of the binary pattern formed from the addresses in the frame to a numerical value that selects one of the
links in the channel. EtherChannels provide load balancing by default and the basic configuration uses
the following criteria to select the link:
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You can configure the switch to use one of the following methods to load balance across the
EtherChannel:
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OL-16597-01
802.3x flow control setting
MTU
The Cisco Nexus 5000 Series switch only supports system level MTU. This attribute cannot be
changed on an individual port basis.
Broadcast/Unicast/Multicast Storm Control setting
Priority-Flow-Control
Untagged CoS
"Port-Channel Modes" section on page 11-6
Bandwidth
MAC address
Spanning Tree Protocol
Description
CDP
LACP port priority
Debounce
For a Layer 2 frame, it uses the source and destination MAC addresses.
For a Layer 3 frame, it uses the source and destination MAC addresses and the source and
destination IP addresses.
For a Layer 4 frame, it uses the source and destination MAC addresses, the source and destination
IP addresses, and the source and destination port number.
Destination MAC address
Source MAC address
Source and destination MAC address
Destination IP address
Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
Information About EtherChannels
for information on port-channel
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