[ovs-build] Passed: openvswitch/ovs#5834 (master - 6f50056)

Travis CI builds at travis-ci.org
Wed Jan 24 09:38:07 UTC 2018

Build Update for openvswitch/ovs

Build: #5834
Status: Passed

Duration: 6 minutes and 21 seconds
Commit: 6f50056 (master)
Author: Róbert Mulik
Message: LACP: Check active partner sys id

A reboot of one switch in an MC-LAG bond makes all bond links
to go down, causing a total connectivity loss for 3 seconds.

Packet capture shows that spurious LACP PDUs are sent to OVS with
a different MAC address (partner system id) during the final
stages of the MC-LAG switch reboot. The current implementation
doesn't care about the partner sys_id (MAC address).

The code change based on the following:
- If an interface (lead interface) on a bond has an "attached"
  LACP connection, then any other slaves on that bond is allowed
  to become active only when its partner's sys_id is the same as
  the partner's sys_id of the lead interface.
- So, when a slave interface of a bond becomes "current" (it gets
  valid LACP information), first checks if there is already an
  active interface on the bond.
- If there is a lead, the slave checks for the partner sys_ids,
  and becomes active only when they are the same, otherwise it
  remains in "current" state, but "detached".
- If there is no lead, it follows the old way, and accepts any
  partner sys_id.

Signed-off-by: Robert Mulik <robert.mulik at ericsson.com>
Signed-off-by: Ben Pfaff <blp at ovn.org>

View the changeset: https://github.com/openvswitch/ovs/compare/822afef74f5e...6f50056c4fe7

View the full build log and details: https://travis-ci.org/openvswitch/ovs/builds/332562582?utm_source=email&utm_medium=notification


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