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[Bug 1607699] [NEW] floating ip mangle iptables rules incorrect format

 

Public bug reported:

the floating IP iptables mangle rules are generated without a prefix on
the source address. IPtables converts this into a /32 so every time the
_apply function is called the iptables_manager thinks it has to delete a
rule (the one with the prefix) and add a rule (the one without the
prefix). This is unnecessary performance overhead in the L3 agent.

** Affects: neutron
     Importance: Undecided
     Assignee: Kevin Benton (kevinbenton)
         Status: New

** Changed in: neutron
     Assignee: (unassigned) => Kevin Benton (kevinbenton)

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https://bugs.launchpad.net/bugs/1607699

Title:
  floating ip mangle iptables rules incorrect format

Status in neutron:
  New

Bug description:
  the floating IP iptables mangle rules are generated without a prefix
  on the source address. IPtables converts this into a /32 so every time
  the _apply function is called the iptables_manager thinks it has to
  delete a rule (the one with the prefix) and add a rule (the one
  without the prefix). This is unnecessary performance overhead in the
  L3 agent.

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