Hi, As far as I know, when you shut down bird manually, you have to use "graceful restart" command to stop it instead of "down" command: https://bird.network.cz/?get_doc&v=20&f=bird-4.html#cli-graceful-restart And also use "-R" option for the daemon when starting.
On Mon, Feb 22, 2021 at 10:25 PM Tim Meusel <b...@bastelfreak.de> wrote: > > > > Hi! > I'm running many boxes with Bird 2.x. They all peer with virtual JunOS > routers via BGP. Each Bird instance announces routes for IP addresses > from local virtual machines. In case bird dies or gets stopped for > upgrades, I want that the JunOS route reflectors keep the routes for a > certain amount of time. My config currently looks like this: > > template bgp VMX { > local $ip as $as; > multihop; # we don't have a layer 2 connection to the routers > bfd graceful; > hold time 240; > startup hold time 240; > connect retry time 120; > graceful restart yes; > graceful restart time 0; > long lived graceful restart yes; > long lived stale time 90; > ipv4 { > export filter virtual_machines_v4; > import none; > next hop self; > }; > ipv6 { > export filter virtual_machines_v6; > import none; > next hop self; > }; > } > > protocol bgp $peer from VMX { > description $desc; > neighbor $ip> as $as; > } > > this works fine if I do: > * birdc reconfigure > * kill -HUP on the bird pid > * killall -9 bird > > however if I do a `systemctl stop bird`, it does an administrative > shutdown and the virtual MX drops the routes. As far as I understand the > RFC for LLGR this is the correct behavior. Can one of you tell me if > there is an option on JunOS to keep the routes, even after a ` > administrative shutdown`, or if I can advice Bird to not cleanly > shutdown sessions? > > Cheers, Tim > >