1-4 
Operation  Command…  Remarks 
Clear the information in the 
dynamic domain name cache 
reset dns dynamic-host 
Available in user 
view 
 
DNS Configuration Example 
Static Domain Name Resolution Configuration Example 
Network requirements 
The switch uses static domain name resolution to access host 10.1.1.2 through domain name 
host.com. 
Network diagram 
Figure 1-2 Network diagram for static DNS configuration 
 
 
Configuration procedure 
# Configure a mapping between host name host.com and IP address 10.1.1.2. 
<Sysname> system-view 
[Sysname] ip host host.com 10.1.1.2 
# Execute the ping host.com command to verify that the device can use static domain name resolution 
to get the IP address 10.1.1.2 corresponding to host.com. 
[Sysname] ping host.com 
  PING host.com (10.1.1.2): 56  data bytes, press CTRL_C to break 
    Reply from 10.1.1.2: bytes=56 Sequence=1 ttl=127 time=3 ms 
    Reply from 10.1.1.2: bytes=56 Sequence=2 ttl=127 time=3 ms 
    Reply from 10.1.1.2: bytes=56 Sequence=3 ttl=127 time=2 ms 
    Reply from 10.1.1.2: bytes=56 Sequence=4 ttl=127 time=5 ms 
    Reply from 10.1.1.2: bytes=56 Sequence=5 ttl=127 time=3 ms 
 
  --- host.com ping statistics --- 
    5 packet(s) transmitted 
    5 packet(s) received 
    0.00% packet loss 
    round-trip min/avg/max = 2/3/5 ms