On Fri, Apr 10, 2015 at 10:37:01AM +0200, Andrea Costantino wrote: > A quick hack would be to simply bring down BIRD on the box in > maintenance. Without BFD it will take 40 sec with standard config.for > OSPF, while if you use BDF or tweak timers, it could be improved to > subsecond or bunch of seconds, respectively. >
BDF would indeed be an interesting solution, and I notice BIRD has support for that protocol as well. > > I manage a pool of Anycast DNS in different POPs, with both BIRD and > Quagga (for having some "bug" protection would one fail), and the > quick and dirty solution for managing upgrade, downtime etc. is to > bring down the daemon (BIRD or Quagga) on the affected node and wait a > minute. > > If I need to do a site wide maintenance, I simply passive the OSPF > interface on both upstream router and in a matter of second all > traffic moves to another POP. > Thanks a lot for the information, it is intersting to hear what is working for others! Regards, Patrik Lundin
