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NetApp Knowledge Base

Not all routes listed in "route show" for ONTAP 9.7

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218
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Category:
ontap-9
Specialty:
network
Last Updated:

Applies to

  • ONTAP 9.7

Issue

  • With ONTAP 9.6, it is not allowed to add two routes with same target subnet:
 
fas8200-2n-dal-1::> version
NetApp Release 9.6: Wed Jul 10 16:25:33 UTC 2019
fas8200-2n-dal-1::>
fas8200-2n-dal-1::> route show -vserver svm1
Vserver             Destination     Gateway         Metric
------------------- --------------- --------------- ------
svm1                0.0.0.0/0       10.128.227.1    20
fas8200-2n-dal-1::>
fas8200-2n-dal-1::> route create -vserver svm1 -destination 30.150.0.0/16 -gateway 30.151.24.254
fas8200-2n-dal-1::>
fas8200-2n-dal-1::> route show -vserver svm1
Vserver             Destination     Gateway         Metric
------------------- --------------- --------------- ------
svm1                0.0.0.0/0       10.128.227.1    20
                    30.150.0.0/16   30.151.24.254 20
2 entries were displayed.
fas8200-2n-dal-1::>
fas8200-2n-dal-1::> route create -vserver svm1 -destination 30.150.0.0/25 -gateway 30.151.26.254
Error: command failed: Duplicate route exists.
fas8200-2n-dal-1::>
 
  • With ONTAP 9.7P3, the "duplicated" route is added without error, while "route show" catch error about "Loop detected in next() for table vifmgr_vs_routes" and not all routes are listed:
 
fas8200-2n-dal-1::> version
NetApp Release 9.7P3: Fri Apr 17 14:37:51 UTC 2020
fas8200-2n-dal-1::>
fas8200-2n-dal-1::> route show -vserver svm1
Vserver             Destination     Gateway         Metric
------------------- --------------- --------------- ------
svm1                0.0.0.0/0       10.128.227.1    20
                    30.150.0.0/16   30.151.24.254   20
2 entries were displayed.
fas8200-2n-dal-1::>
fas8200-2n-dal-1::> route create -vserver svm1 -destination 30.150.0.0/25 -gateway 30.151.26.254
fas8200-2n-dal-1::>
fas8200-2n-dal-1::> route show -vserver svm1
Vserver             Destination     Gateway         Metric
------------------- --------------- --------------- ------
svm1                0.0.0.0/0       10.128.227.1    20
                    30.150.0.0/25   30.151.26.254   20
Error: show failed on vserver "svm1" destination "30.150.0.0/25" gateway "30.151.26.254": Loop detected in next() for table vifmgr_vs_routes. Next on "3 30.150.0.0/25 30.151.26.254" returned "3 30.150.0.0/16 30.151.24.254".
2 entries were displayed.
fas8200-2n-dal-1::>

 

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