1-4
Figure 1-2 Network diagram for static DNS configuration
10.1.1.1/24
10.1.1.2/24
host.com
Host
Switch
Configuration procedure
# Configure a mapping between host name host.com and IP address 10.1.1.2.
<device> system-view
[device] 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.
[device] 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
Dynamic Domain Name Resolution Configuration Example
Network requirements
As shown in Figure 1-3, Switch serving as a DNS client uses dynamic domain name resolution to
access the host at 3.1.1.1/16 through its domain name host. The DNS server has the IP address
2.1.1.2/16. The DNS suffix is com.
Figure 1-3 Network diagram for dynamic DNS configuration
2. 1.1.2/16
2. 1. 1. 1
DNS server
Switch
DNS client
1. 1.1 /1 6
host.com
IP network
Host
/16
1.
3. 1.1 .1/ 16
