I configured my OVS in failure-secure mode with some flow tables/entries in
place. Upon connecting to the controller all flows are removed.
OpenFlow 1.5 specifications state:
"When the OpenFlow channel is reestablished, the flow entries present in
the flow tables at that time are preserved and normal OpenFlow operation
resumes. If desired, the controller has then the option of reading all flow
entries with a flow-stats request (see 7.3.5.2), to re-synchronise its
state with the
switch state. Alternatively, the controller then has the option of deleting
all flow entries with a flow-mod request (see 6.4), to start from a clean
state on the switch."
So I'm assuming Ryu is deleting them upon INITIAL contact. Is that an
immutable feature?
— Khubaib
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