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
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 <tdudgeon...@gmail.com
<mailto:tdudgeon...@gmail.com>> wrote:
In one of our OKD3.11 environments the hosting provider wanting to
change the network MTU from 9000 to 1500 and did that for all the
physical network interfaces of all the nodes.
This caused the Openshift networking to break completely.
Resetting back
to 9000 restored things.
Is there a way to allow for this to be done on a running Openshift
system?
Thanks
Tim
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