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DDNS updates occurring every 30 minutes despite TTL being larger

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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • ONTAP 9
  • Dynamic DNS (DDNS)

Issue

  • DNS Update appears to occur every 30 minutes despite a much larger TTL value being set.

Cluster::> dns dynamic-update show -vserver-fqdn <vserver>
Vserver Is-Enabled Use-Secure Vserver FQDN TTL
--------------- ---------- ---------- ------------------------ -------
svm_v1 true true svm_v1.domain.net 1d
svm_v2 true true svm_v2.domain.net 1d
svm_v3 true true svm_v3.domain.net 1d
3 entries were displayed.

  • MGWD.log:

  Line 819: svm1. Error 'Failed to send DNS update. Reason: The primary is: host.domain.local. Sending update to 10.10.10.10#53. ; TSIG error with server: tsig verify failure. update failed: REFUSED. done_update. '. Oper 0
  Line 820: 00000027.00442b97 09d3c41b Thu Oct 03 2024 17:25:09 +00:00 [kern_mgwd:info:3240] 0x832994d00: 8603ec0000040677: ERR: MGWD::DDNS: src/tables/name_services/ddns.cc:2396:sendCmdDNSServer Failed to update PTR record for Vserver svm1.
  Line 821: 00000027.00442b99 09d3c41b Thu Oct 03 2024 17:25:09 +00:00 [kern_mgwd:info:3240] 0x832994d00: 8603ec0000040677: ERR: MGWD::DDNS: src/tables/name_services/ddns.cc:2407:sendCmdDNSServer Failed to update DNS record for Vserver svm1.

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