Look at the ConfigMaps in project openshift-node.
Change the mtu param in there first.
Restart the node (origin-node / atomic-openshift-node) service on all nodes.
If all goes well, you should be able to then reconfigure your network
interfaces.
On Tue, Aug 27, 2019, 6:32 PM Tim Dudgeon wrote:
OK, thanks. So what would be needed to change this on a running system
rather than when you first install openshift?
On 27/08/2019 17:14, Brian Jarvis wrote:
Tim,
You need to set the MTU of the OpenShift SDN to be lower than the MTU
of the NIC.
This is described in
Tim,
You need to set the MTU of the OpenShift SDN to be lower than the MTU of
the NIC.
This is described in
https://docs.openshift.com/container-platform/3.11/scaling_performance/network_optimization.html#scaling-performance-optimizing-mtu
.
On Tue, Aug 27, 2019 at 12:02 PM Tim Dudgeon