OVHcloud Network Status

Current status
Legend
  • Operational
  • Degraded performance
  • Partial Outage
  • Major Outage
  • Under maintenance
BFD
Scheduled Maintenance Report for Network & Infrastructure
Completed
Nous avons testé le BFD sur l'OSPF (Bidirectional Forwarding Detection)
entre ldn-1-6k et ams-1-6k. Cela fonctionne bien. Par contre au moindre
surcharge du routeur, le BFD ne repond pas bien et le lien est declaré
down. C'est une fonctionnalité trop dangereusse pour la mettre en production.
Nous allons nous en passer. C'est à dire que quand le lien est down, l'OSPF
mettra entre 1 à 3 secondes pour rerouter les packets au lieu de entre
50 et 250ms.

Update(s):

Date: 2010-08-29 09:50:14 UTC
test fait avec

ip ospf bfd
bfd interval 50 min_rx 50 multiplier 5

ça a sauté de suite

ip ospf bfd
bfd interval 250 min_rx 250 multiplier 3

ça a tenu la nuit puis à nouveau plusieurs faux positives


Date: 2010-08-29 09:48:45 UTC
Aug 28 15:02:51 GMT: %BFD_TEST-7-CONFIG: Config changed on interface Port-channel1 to ON.
Aug 28 15:03:39 GMT: %OSPF-5-ADJCHG: Process 16276, Nbr 30.94 on Port-channel1 from FULL to DOWN, Neighbor Down: BFD node down
Aug 28 15:03:46 GMT: %OSPF-5-ADJCHG: Process 16276, Nbr 30.94 on Port-channel1 from LOADING to FULL, Loading Done
Aug 28 15:05:02 GMT: %OSPF-5-ADJCHG: Process 16276, Nbr 30.94 on Port-channel1 from FULL to DOWN, Neighbor Down: BFD node down
Aug 28 15:05:06 GMT: %OSPF-5-ADJCHG: Process 16276, Nbr 30.94 on Port-channel1 from LOADING to FULL, Loading Doneobj: [0x7146FF78] event_id: [0x00000003] er_p: [0x00000000] arg: [0x00000000] session state FAILING -> Unknown
Aug 29 08:47:15 GMT: %OSPF-5-ADJCHG: Process 16276, Nbr 30.94 on Port-channel1 from FULL to DOWN, Neighbor Down: BFD node down
Aug 29 08:47:32 GMT: %OSPF-5-ADJCHG: Process 16276, Nbr 30.94 on Port-channel1 from LOADING to FULL, Loading Done
Aug 29 08:48:32 GMT: %OSPF-5-ADJCHG: Process 16276, Nbr 30.94 on Port-channel1 from FULL to DOWN, Neighbor Down: BFD node down
Aug 29 08:48:44 GMT: %OSPF-5-ADJCHG: Process 16276, Nbr 30.94 on Port-channel1 from LOADING to FULL, Loading Done
Aug 29 08:51:08 GMT: %OSPF-5-ADJCHG: Process 16276, Nbr 30.94 on Port-channel1 from FULL to DOWN, Neighbor Down: BFD node down
Aug 29 08:51:19 GMT: %OSPF-5-ADJCHG: Process 16276, Nbr 30.94 on Port-channel1 from LOADING to FULL, Loading Done
Aug 29 08:51:56 GMT: %OSPF-5-ADJCHG: Process 16276, Nbr 30.94 on Port-channel1 from FULL to DOWN, Neighbor Down: BFD node down
Aug 29 08:52:16 GMT: %OSPF-5-ADJCHG: Process 16276, Nbr 30.94 on Port-channel1 from LOADING to FULL, Loading Done
Aug 29 08:55:05 GMT: %OSPF-5-ADJCHG: Process 16276, Nbr 30.94 on Port-channel1 from FULL to DOWN, Neighbor Down: BFD node down
Aug 29 08:55:06 GMT: %OSPF-5-ADJCHG: Process 16276, Nbr 30.94 on Port-channel1 from LOADING to FULL, Loading Doneobj: [0x5A162B78] event_id: [0x00000003] er_p: [0x00000000] arg: [0x00000000] session state FAILING -> Unknown
Aug 29 08:55:44 GMT: %OSPF-5-ADJCHG: Process 16276, Nbr 30.94 on Port-channel1 from LOADING to FULL, Loading Done
Aug 29 10:43:13 GMT: %BFD_TEST-7-CONFIG: Config changed on interface Port-channel1 to OFF.
Posted Aug 29, 2010 - 09:45 UTC