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[Miguel Angel Ajo <majopela@xxxxxxxxxx>]

Let's not let it expire, there's an almost ready patch by @kevin:
https://review.openstack.org/#/c/218512/

** Changed in: neutron
       Status: Expired => Confirmed

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https://bugs.launchpad.net/bugs/1490060

Title:
  kernel arp neighbor limits should be adjusted by l3 agent

Status in neutron:
  Confirmed

Bug description:
  The default neighbor limits can be quite low (1024) for a kernel that
  the l3 agent is running on. If the agent is serving hundreds of
  tenants, it can quite easily blow past this limit, causing contention
  for a spot in the ARP table (or neighbor table in IPv6) and network
  instability.

  The l3 agent should set a higher default to match the expectations of
  a node with an l3 agent on it.

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