LIF不再侦听DNS端口
- Views:
- 5
- Visibility:
- Public
- Votes:
- 0
- Category:
- ontap-9
- Specialty:
- core<a>DNS</a><a>2009-137017</a>
- Last Updated:
适用场景
- ONTAP 9
- DNS
问题描述
- ONTAP 保持DNS负载平衡。
- DNS服务器发现以下错误。
connection refused resolving "domain.com/AAAA/IN" 192.168.200.1#53
connection refused resolving "domain.com./A/IN" 192.168.200.1#53
- LIF不再侦听DNS端口。并观察DNS查询在数据包跟踪中收到ICMP端口不可访问响应。
1 2022-04-15 12：00：55.172117 0.000000 192.168.34.6 192.168.200.1 DNS 81标准查询0x0673 a domain.com
2 2022-04-15 12：00：55.172152 0.000035 192.168.200.1 192.168.34.6 ICMP 70目标不可访问(端口不可访问)
- DNS端口不可访问。
[root@centos ~]# telnet 192.168.200.1 53
Trying 192.168.200.1...
telnet: connect to address 192.168.200.1: Connection refused