3 Replies Latest reply on Dec 10, 2013 8:27 AM by darra268

    VRRP changing from Backup->Master then changing back Master->Backup almost exactly every hour?!?

    danb Visitor

      I have now encountered my third Adtran unit configured with VRRP which changes states every hour (almost exactly!).  The most recent is a 908 running ADTRAN, Inc. OS version R10.5.0.E.  I have seen this happen on a 3430 and a 1638!   Very different units with the same symptoms. I can’t remember if they were all running the same version of firmware.  They have been 3 completely different network situations.  The first I encountered was between 2 1638s within our office (pre virtual chassis).  The second was between a 4430 and a 3430 which communicated through a 1534 switch.  Both of these were "solved" by removing the VRRP configuration.  This last one was encountered last night.  Partial logs below.

       

      Has anyone seen this and what was the fix?

       

      1. 2013.06.23 17:44:52 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      2. 2013.06.23 18:45:16 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      3. 2013.06.23 18:45:24 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      4. 2013.06.23 19:45:42 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      5. 2013.06.23 19:45:50 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      6. 2013.06.23 20:46:23 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      7. 2013.06.23 20:46:31 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      8. 2013.06.23 21:46:49 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      9. 2013.06.23 21:46:57 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      10. 2013.06.23 22:47:15 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      11. 2013.06.23 22:47:23 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      12. 2013.06.23 23:47:40 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      13. 2013.06.23 23:47:48 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      14. 2013.06.24 00:48:57 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      15. 2013.06.24 00:49:05 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      16. 2013.06.24 01:49:23 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      17. 2013.06.24 01:49:31 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      18. 2013.06.24 02:49:48 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      19. 2013.06.24 02:49:55 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      20. 2013.06.24 03:50:13 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      21. 2013.06.24 03:50:21 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      22. 2013.06.24 04:08:06 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      23. 2013.06.24 04:08:06 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      24. 2013.06.24 04:08:54 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      25. 2013.06.24 04:08:54 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      26. 2013.06.24 04:50:53 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      27. 2013.06.24 04:51:01 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      28. 2013.06.24 05:51:20 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      29. 2013.06.24 05:51:28 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      30. 2013.06.24 06:51:47 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      31. 2013.06.24 06:51:55 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      32. 2013.06.24 07:52:28 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      33. 2013.06.24 07:52:36 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      34. 2013.06.24 08:52:55 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      35. 2013.06.24 08:52:59 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      36. 2013.06.24 09:53:23 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      37. 2013.06.24 09:53:31 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP
      38. 2013.06.24 10:53:52 VRRP.eth 0/1 grp 14 changed state BACKUP->MASTER
      39. 2013.06.24 10:54:01 VRRP.eth 0/1 grp 14 changed state MASTER->BACKUP