Load Balancing Using Port Channels - Cisco 7604-RSP720C-R Configuration Manual

Information About Port Channels
S e n d d o c u m e n t c o m m e n t s t o n e x u s 7 k - d o c f e e d b a c k @ c i s c o . c o m
When the interface joins a port channel, some of its individual parameters are removed and replaced with
the values on the port channel as follows:
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Many interface parameters remain unaffected when the interface joins or leaves a port channel as
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If you configure subinterfaces for the port-channel interface and remove a member port from the port
channel, the configuration of the port-channel subinterface does not propagate to the member ports.
When you delete the port channel, the software sets all member interfaces as if they were removed from
Note
the port channel.
See the

Load Balancing Using Port Channels

The Cisco DC-OS software load balances traffic across all operational interfaces in a port channel by
hashing the addresses in the frame to a numerical value that selects one of the links in the channel. Port
channels provide load balancing by default. Port-channel load-balancing uses MAC addresses, IP
addresses, or Layer 4 port numbers to select the link. Port-channel load balancing uses either source or
destination addresses or ports, or both source and destination addresses or ports.
Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x
6-6
Bandwidth
Delay
Extended Authentication Protocol over UDP
VRF
IP address (v4 and v6)
MAC address
Spanning Tree Protocol
NAC
Service policy
Access control lists (ACLs)
Beacon
Description
CDP
LACP port priority
Debounce
UDLD
MDIX
Rate mode
Shutdown
SNMP trap
"LACP Marker Responders" section on page 6-11
Chapter 6 Configuring Port Channels
for information on port-channel modes.
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