[ovs-discuss] SELECT groups - hash
blp at ovn.org
Sat Mar 24 18:10:30 UTC 2018
On Sat, Mar 24, 2018 at 06:45:50PM +0100, Slavica Tomovic wrote:
> I am using SELECT Group tables for load balancing purposes in OpenFlow
> network. However, I found that OVS by default performs hashing only on IP
> addresses, MAC addresses, VLAN IDs, TCP ports and EthType fields. Is it
> possible to change this and use a hash function that depends on UDP port?
> I have read these posts:
> and according to them I need to do this by implementing a logic for
> creation of group properties structure on SDN controller. Can I avoid this
> somehow and configure OVS switches with some command to perform hashing on
> UDP ports?
It sounds like you just need to use ovs-ofctl to configure the behavior
you want. Did you read the "Group Syntax" section in the manpage? You
want to specify the "fields" parameter.
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