Public bug reported:
Consider the following case: 2 or more DHCP agents host a network, then for any
reason they go offline.
both (or more) DHCP ports become reserved. If then DHCP agents start or revive
nearly at the same time, they may fetch different reserved port that they have
owned previously.
At the same time, previous DHCP port remains in the namespace and is not
getting cleaned up.
As a result it is possible to get two hosts with the same DHCP namespace having
a pair of port which duplicate the same ports on other host.
** Affects: neutron
Importance: Medium
Assignee: Eugene Nikanorov (enikanorov)
Status: In Progress
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https://bugs.launchpad.net/bugs/1509959
Title:
Stale DHCP ports remain in DHCP namespace
Status in neutron:
In Progress
Bug description:
Consider the following case: 2 or more DHCP agents host a network, then for
any reason they go offline.
both (or more) DHCP ports become reserved. If then DHCP agents start or
revive nearly at the same time, they may fetch different reserved port that
they have owned previously.
At the same time, previous DHCP port remains in the namespace and is not
getting cleaned up.
As a result it is possible to get two hosts with the same DHCP namespace
having a pair of port which duplicate the same ports on other host.
To manage notifications about this bug go to:
https://bugs.launchpad.net/neutron/+bug/1509959/+subscriptions
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