Thank you Jens for the support on this bug. I'm closing it.
** Changed in: neutron
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/2020349
Title:
Neutron Dynamic Routing : Connection to peers lost
Status in neutron:
Invalid
Bug description:
Hi everyone, we are getting random connection lost issues for ALL bgp
peers. Logs attached to issue.
May 20, 2023 @ 12:26:51.276 controller-04 BGP Peer 10.210.48.2 for
remote_as=64611 went DOWN.
May 20, 2023 @ 12:26:51.279 controller-04 Connection to peer 10.210.48.3
lost, reason: unpack_from requires a buffer of at least 1 bytes for unpacking 1
bytes at offset 0 (actual buffer size is 0) Resetting retry connect loop: False
Do you have any idea? Thanks.
Environment Details:
Openstack Version: Wallaby (cluster installed via kolla-ansible)
OS Version: Ubuntu 20.04.2 LTS Hosts. (Kernel:5.4.0-90-generic)
Neutron Version: 18.1.2.dev118 ["neutron-server", "neutron-dhcp-agent",
"neutron-openvswitch-agent", "neutron-l3-agent", "neutron-bgp-dragent",
"neutron-metadata-agent"]
There exist 5 controller+network node.
OpenvSwitch used in DVR mode and router HA is disabled. (l3_ha = false)
We are using a single centralized neutron router for connecting all tenant
networks to provider network.
We are using bgp_dragent to announce unique tenant networks.
Tenant network type: vxlan
External network type: vlan
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