yahoo-eng-team team mailing list archive

[Ihar Hrachyshka <1690165@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

An ufortunate scenario in Linux kernel explained in
https://patchwork.ozlabs.org/patch/760372/ may result in no gARP being
honoured by Linux network peers. To work the kernel bug around, we may
want to spread updates more, not to hit default kernel locktime which is
1s.

** Affects: neutron
     Importance: High
     Assignee: Ihar Hrachyshka (ihar-hrachyshka)
         Status: In Progress


** Tags: l3-ha l3-ipam-dhcp

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

** Changed in: neutron
     Assignee: (unassigned) => Ihar Hrachyshka (ihar-hrachyshka)

** Changed in: neutron
   Importance: Undecided => High

** Tags added: l3-ha l3-ipam-dhcp

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https://bugs.launchpad.net/bugs/1690165

Title:
  Gratutuious ARP updates sent by Neutron L3 agent may be ignored by
  Linux peers

Status in neutron:
  In Progress

Bug description:
  An ufortunate scenario in Linux kernel explained in
  https://patchwork.ozlabs.org/patch/760372/ may result in no gARP being
  honoured by Linux network peers. To work the kernel bug around, we may
  want to spread updates more, not to hit default kernel locktime which
  is 1s.

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