Load Balancing Using Port Channels - Cisco Nexus 1000V Configuration Manual
For vmware vsphere
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Also See for Nexus 1000V:
- Troubleshooting manual (280 pages) ,
- Deployment manual (49 pages) ,
- Installing manual (27 pages)
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Load Balancing Using Port Channels
When you delete the port channel, the software sets all member interfaces as if they were removed from
Note
the port channel.
Load Balancing Using Port Channels
The Cisco Nexus 1000V 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.
You can configure the load balancing mode to apply to all port channels that are configured on the entire
device or on specified modules. The per-module configuration takes precedence over the load-balancing
configuration for the entire device. You can configure one load balancing mode for the entire device, a different
mode for specified modules, and another mode for the other specified modules. You cannot configure the
load balancing method per port channel.
You can configure the type of load balancing algorithm used. You can choose the load balancing algorithm
that determines which member port to select for egress traffic by looking at the fields in the frame.
The default load balancing method uses source MAC addresses.
Note
You can configure one of the following methods to load balance across the port channel:
• Destination MAC address
• Source MAC address
• Source and destination MAC addresses
• Destination IP address and VLAN
• Source IP address and VLAN
• Source and destination IP address and VLAN
• Destination TCP/UDP port number
• Source TCP/UDP port number
• Source and destination TCP/UDP port number
• Destination IP address and TCP/UDP port number
• Source IP address and TCP/UDP port number
• Source and destination IP address and TCP/UDP port number
• Destination IP address, TCP/UDP port number, and VLAN
• Source IP address, TCP/UDP port number, and VLAN
• Source and destination IP address, TCP/UDP port number, and VLAN
Cisco Nexus 1000V for VMware vSphere Interface Configuration Guide, Release 5.x
48
Configuring Port Channels
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