ExtremeSwitching (EXOS)

Expand all | Collapse all

x670-x440 Vrrp change master to backup, not routing

  • 1.  x670-x440 Vrrp change master to backup, not routing

    Posted 10-08-2018 10:19

    We have 2 stacks both stacks are 1 x460 and 1x440 and an ISC connecting. When we try to fail over to the backup, the backup takes over as master but routing of the layer 3 vlans is not happening. FW Version we are using is 21.1.5.2

    Any help or ideas much will be appreciated.

    .



  • 2.  RE: x670-x440 Vrrp change master to backup, not routing

    Posted 10-08-2018 10:46
    If the stack is 1 460 and 1 440 the backup must be the 440. The 440 does not have the routing abilities the 460 does.

    Unless I am missing something this is design issue and the 440 should be replaced with a second 460.


  • 3.  RE: x670-x440 Vrrp change master to backup, not routing

    Posted 10-08-2018 10:54

    The backup is basically the same construct as the Master, comprised of 1 x460 and 1x440. X460 are configured with vrrp configurations


  • 4.  RE: x670-x440 Vrrp change master to backup, not routing

    Posted 10-08-2018 10:57

    ipforwarding enabled on the backup?


  • 5.  RE: x670-x440 Vrrp change master to backup, not routing

    Posted 10-08-2018 10:54
    So its not failing over to the backup switch, just the backup stack which still has the 460 as master. That makes things more interesting.

    I would still recommend replacing the 440 so that you have a backup if one of the 460s goes down.


  • 6.  RE: x670-x440 Vrrp change master to backup, not routing

    Posted 10-08-2018 10:54

    ok but did you seen the Picture i attached the way its constructed ?


  • 7.  RE: x670-x440 Vrrp change master to backup, not routing

    Posted 10-08-2018 10:54
    Yes, the ISC runs between the 460 and the 440.


  • 8.  RE: x670-x440 Vrrp change master to backup, not routing

    Posted 10-08-2018 10:54
    If you run show vrrp detail on each stack does everything look consistent?

    


  • 9.  RE: x670-x440 Vrrp change master to backup, not routing

    Posted 10-08-2018 10:57
    ipforwarding on the backup takes place after it takes over as the master or no?


  • 10.  RE: x670-x440 Vrrp change master to backup, not routing

    Posted 10-08-2018 10:57
    It should be enabled in the config, even though it should not be forwarding was the other stack is vrrp master


  • 11.  RE: x670-x440 Vrrp change master to backup, not routing

    Posted 10-08-2018 10:57

    ok in the config on the backup x460 the ipforwarding is not enabled, But your saying it needs to be there ok. I am new to extreme but we can try it to see it works.