Configuring Hardware Hashing For Multicast Traffic; Cisco Nexus 3000 Series Nx-Os Layer 2 Switching Configuration Guide, Release 5.0(3)U1(1 - Cisco Nexus 3000 series Configuration Manual
Nx-os layer 2
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- Command reference manual (356 pages) ,
- Configuration manual (338 pages) ,
- Installation manual (112 pages)
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Configuring EtherChannels
Command or Action
Step 2
switch(config)# port-channel load-balance ethernet
{[destination-ip | destination-mac | destination-port |
source-dest-ip | source-dest-mac | source-dest-port |
source-ip | source-mac | source-port] crc-poly}
Step 3
switch(config)# no port-channel load-balance ethernet
Step 4
switch# show port-channel load-balance
This example shows how to configure source IP load balancing for port channels:
switch# configure terminal
switch (config)# port-channel load-balance ethernet source-ip
Configuring Hardware Hashing for Multicast Traffic
By default, ingress multicast traffic on any port in the switch selects a particular EtherChannel member to
egress the traffic. You can configure hardware hashing for multicast traffic to reduce potential bandwidth
issues and to provide effective load balancing of the ingress multicast traffic. Use the hardware multicast
hw-hash command to enable hardware hashing. To restore the default, use the no hardware multicast
hw-hash command.
SUMMARY STEPS
1. switch# configure terminal
2. switch(config)# interface port-channel channel-number
3. switch(config-if)# hardware multicast hw-hash
DETAILED STEPS
Command or Action
Step 1
switch# configure terminal
Step 2
switch(config)# interface port-channel
channel-number
Step 3
switch(config-if)# hardware multicast hw-hash
Cisco Nexus 3000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.0(3)U1(1)
Configuring Hardware Hashing for Multicast Traffic
Purpose
Specifies the load-balancing algorithm for the device.
The range depends on the device. The default is
source-dest-mac.
(Optional)
Restores the default load-balancing algorithm of
source-dest-mac.
(Optional)
Displays the port-channel load-balancing algorithm.
Purpose
Enters configuration mode.
Selects the EtherChannel and enters the interface
configuration mode.
Configures hardware hashing for the specified
EtherChannel.
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