H3C S3600 Series User Manual

Operation Manual – DNS
H3C S3600 Series Ethernet Switches-Release 1510 Chapter 1
DNS Configuration
1-5
Execute the ping host1 command on the switch to verify that the communication
between the switch and the host is normal and that the corresponding IP address is
3.1.1.1.
1.4 Displaying and Maintaining DNS
After the above configuration, you can execute the display command in any view to
display the DNS configuration information to verify the configuration effect. You can
execute the reset command in user view to clear the information stored in the dynamic
domain name resolution cache.
Table 1-3 Display and maintain DNS
Operation Command… Description
Display static DNS
database
display ip host
Display the DNS Server
information
display dns server
[ dynamic ]
Display the DNS suffixes
display dns domain
[ dynamic ]
Display the information in
the dynamic domain
name cache
display dns
dynamic-host
Available in any view
Display the DNS
resolution result
nslookup type { ptr
ip-address | a
domain-name }
Available in any view
Clear the information in
the dynamic domain
name cache
reset dns dynamic-host
Available in user view
1.5 Troubleshooting DNS
I. Symptom
After enabling the dynamic domain name resolution, the user cannot get the correct IP
address.
II. Solution
z Use the display dns dynamic-host command to check that the specified domain
name is in the cache.
z If there is no defined domain name, check that dynamic domain name resolution is
enabled and the DNS Client can communicate with the DNS Server.
z If the specified domain name exists in the cache but the IP address is incorrect,
check that the DNS Client has the correct IP address of the DNS Server.

H3C S3600 Series Specifications

General

Brand	H3C
Model	S3600 Series
Category	Switch
Language	English