配置为 DNS 负载平衡器时， ONTAP 将返回权威响应
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