I hope this email finds you well. I am writing to inquire about a specific aspect of OpenFlow configuration that I've been exploring recently.
I am particularly interested in understanding the behavior of the ovs-ofctl mod-group command in Open vSwitch, especially when modifying the 'weight' parameter in a group table without changing the number of 'buckets'. My question is: If the 'weight' of buckets in a group is altered, does it affect the selection of a particular bucket for a given flow? To illustrate, consider the following scenario: ① ovs-ofctl add-group br0 group_id=1,type=select,bucket=weight:200,actions=output:2,bucket=weight:200,actions=output:3,bucket=weight:100,actions=output:4 -O OpenFlow13 Subsequently, I modify the group using: ② ovs-ofctl mod-group br0 group_id=1,type=select,bucket=weight:100,actions=output:2,bucket=weight:200,actions=output:3,bucket=weight:100,actions=output:4 -O OpenFlow13 In this case, even though the number of buckets remains the same, the weights are altered. Would this change impact which bucket is selected for a specific flow, or would the flow's path remain consistent regardless of the weight adjustments? Your expertise in this area would be greatly beneficial in helping me understand this aspect of OpenFlow's behavior. I appreciate your time and look forward to your insights on this matter. Best regards, atsuya yasui
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