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[Oleg Bondarev <obondarev@xxxxxxxxxxxx>]

Public bug reported:

The whole list of fdb entries is provided to the agent in case a port form new network appears, or when agent is restarted.
Currently agent restart is detected by agent_boot_time option, 180 sec by default. 
In fact boot time differs depending on port count and on some loaded clusters may exceed 180 secs on gateway nodes easily. Changing boot time in config works, but honestly this is not an ideal solution. 
There should be a smarter way for agent restart detection (like agent itself sending flag in state report).

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1799178

Title:
  l2 pop doesn't always provide the whole list of fdb entries on agent
  restart

Status in neutron:
  New

Bug description:
  The whole list of fdb entries is provided to the agent in case a port form new network appears, or when agent is restarted.
  Currently agent restart is detected by agent_boot_time option, 180 sec by default. 
  In fact boot time differs depending on port count and on some loaded clusters may exceed 180 secs on gateway nodes easily. Changing boot time in config works, but honestly this is not an ideal solution. 
  There should be a smarter way for agent restart detection (like agent itself sending flag in state report).

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