It's strange that connectivity is interrupted when the DHCP discovery is
attempted. It's not clear to me why connectivity should be interrupted
at all. (For example, if an ARP entry is being cleared out, it should be
added back relatively quickly.) Right now I don't know what could be
changed in MAAS to make this better; I think to make progress on this
issue, we need to determine exactly why connectivity is disrupted in
this case.
It would be helpful to get a packet capture during the probe (and
subsequent connectivity loss) to get a better idea about what's going
on.
Note that the behavior changed drastically in MAAS 2.1, so it might be
different if you re-test.
** Changed in: maas
Status: New => Incomplete
** Changed in: maas (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1637256
Title:
MaaS might disrupt network connectivity by probing DHCP services
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