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配置为 DNS 负载平衡器时, ONTAP 将返回权威响应

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ontap-9
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适用场景

  • ONTAP 9
  • DNS 负载平衡

问题描述

  • 配置为 DNS 负载平衡器时, ONTAP 将返回权威响应。
  • 在某些情况下,例如,对于非Windows DNS 服务器,可能需要禁用发送S 集群中的 OA 记录
 

[root@rhel1 ~]# dig cmode.demo.netapp.com @192.168.0.220

; <<>> DiG 9.11.4-P2-RedHat-9.11.4-9.P2.el7 <<>> cmode.demo.netapp.com @192.168.0.220
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 42011
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;cmode.demo.netapp.com.         IN      A

;; ANSWER SECTION:
cmode.demo.netapp.com.  0       IN      A       192.168.0.221

;; AUTHORITY SECTION:
cmode.demo.netapp.com.  86400   IN      NS      cmode.demo.netapp.com.

;; Query time: 27 msec
;; SERVER: 192.168.0.220#53(192.168.0.220)
;; WHEN: Tue Sep 07 08:36:24 EDT 2021
;; MSG SIZE  rcvd: 80

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