Troubleshooting Ipv4 Dns Configuration - HP 830 Series Configuration Manual

# Specify the DNS server 2.1.1.2.
[DeviceB] dns server 2.1.1.2
Verifying the configuration
# Execute the ping host.com command on Device B to verify that the communication between the device
and the host is normal and that the corresponding destination IP address is 3.1.1.1.
[DeviceB] ping host.com
Trying DNS resolve, press CTRL_C to break
Trying DNS server (2.1.1.2)
PING host.com (3.1.1.1):
56 data bytes, press CTRL_C to break
Reply from 3.1.1.1: bytes=56 Sequence=1 ttl=126 time=3 ms
Reply from 3.1.1.1: bytes=56 Sequence=2 ttl=126 time=1 ms
Reply from 3.1.1.1: bytes=56 Sequence=3 ttl=126 time=1 ms
Reply from 3.1.1.1: bytes=56 Sequence=4 ttl=126 time=1 ms
Reply from 3.1.1.1: bytes=56 Sequence=5 ttl=126 time=1 ms
--- host.com ping statistics ---
5 packet(s) transmitted
5 packet(s) received
0.00% packet loss
round-trip min/avg/max = 1/1/3 ms

Troubleshooting IPv4 DNS configuration

Symptom
After enabling dynamic domain name resolution, the user cannot get the correct IP address.
Solution
1. Use the display dns host ip command to verify that the specified domain name is in the cache.
2. If the specified domain name does not exist, check that dynamic domain name resolution is
enabled and that the DNS client can communicate with the DNS server.
If the specified domain name is in the cache, but the IP address is incorrect, check that the DNS
3.
client has the correct IP address of the DNS server.
4. Verify that the mapping between the domain name and IP address is correct on the DNS server.
75