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Bug
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Resolution: Done
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Undefined
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4.14, 4.15, 4.16, 4.17, 4.18, 4.19
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None
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Quality / Stability / Reliability
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False
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5
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None
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None
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None
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None
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None
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OSDOCS Sprint 273, OSDOCS Sprint 274
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2
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None
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None
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None
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None
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None
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None
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None
Description of problem:
WHen a user creates a ovn-kubernetes NAD without specifying MTU the default MTU is the one decided by CNO, it makes a calcualtion taking into account underlay - overlay overhead, so clearly is not 1300 as stated at the docs.
https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html/networking/multiple-networks#configuration-ovnk-network-plugin-json-object_configuring-additional-network-ovnk
Version-Release number of selected component (if applicable):
4.18
How reproducible:
Always
Steps to Reproduce:
1.
2.
3.
Actual results:
The maximum transmission unit (MTU). The default value, 1300, is automatically set by the kernel.
Expected results:
The maximum transmission unit (MTU). The default value, is computed by openshift taking into account (underlay mtu) - (overlay overhead) for the primary interface.
Additional info:
- is duplicated by
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- Closed
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- links to
