Red Hat Bugzilla – Bug 1468049
[RFE][Docs] Document best practices for MTU and ethernet device settings with regards to the multi-tenant SDN plugin
Last modified: 2017-09-06 20:46:51 EDT
Description of problem: Requesting best practices for MTU and ethernet device settings with regards to the multi-tenant SDN plugin Version-Release number of selected component (if applicable): OCP 3.4 Existing docs: OpenShift SDN https://docs.openshift.com/container-platform/3.4/architecture/additional_concepts/sdn.html#architecture-additional-concepts-sdn Configuring the SDN https://docs.openshift.com/container-platform/3.4/install_config/configuring_sdn.html Troubleshooting OpenShift SDN https://docs.openshift.com/container-platform/3.4/admin_guide/sdn_troubleshooting.html Additional info: After noting TCP packet loss between hosts and ingress hosts, causing cross Data Center OpenSSL to not work, MTU was increased to 8950. This resolved the issue but it's unclear if this is optimal. Document URL: Section Number and Name: Describe the issue: Suggestions for improvement: Additional information:
Submitted a docs PR for this: https://github.com/openshift/openshift-docs/pull/4862 Still a WIP, but might be enough information for any customer cases.
Commit pushed to master at https://github.com/openshift/openshift-docs https://github.com/openshift/openshift-docs/commit/9cb4c62db9cb32eaf68afc5fefcb7adff43a8332 Merge pull request #4862 from bfallonf/mtu_1468049 Bug 1468049 added MTU information to the performance guide
The above PR has merged. Please let us know if there's anything more needed to help with the customer cases.
Link to published docs: https://access.redhat.com/documentation/en-us/openshift_container_platform/3.6/html-single/scaling_and_performance_guide/#scaling-performance-optimizing-mtu