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<Sysname> system-view
[Sysname] dns server 2.1.1.2
# Specify com as the name suffix.
[Sysname] dns domain com
Verifying the configuration
# Verify that the device can use the dynamic domain name resolution to resolve the domain name
host.com into the IP address 3.1.1.1.
[Sysname] ping host
Ping host.com (3.1.1.1): 56 data bytes, press CTRL_C to break
56 bytes from 3.1.1.1: icmp_seq=0 ttl=255 time=1.000 ms
56 bytes from 3.1.1.1: icmp_seq=1 ttl=255 time=1.000 ms
56 bytes from 3.1.1.1: icmp_seq=2 ttl=255 time=1.000 ms
56 bytes from 3.1.1.1: icmp_seq=3 ttl=255 time=1.000 ms
56 bytes from 3.1.1.1: icmp_seq=4 ttl=255 time=2.000 ms
--- Ping statistics for host ---
5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss
round-trip min/avg/max/std-dev = 1.000/1.200/2.000/0.400 ms
DNS proxy configuration example
Network requirements
As shown in Figure 47, configure Device A as the DNS proxy to forward DNS packets between the
DNS client (Device B) and the DNS server at 4.1.1.1.
Figure 47 Network diagram
Configuration procedure
Before performing the following configuration, make sure that:
• Device A, the DNS server, and the host can reach each other.
• The IP addresses of the interfaces are configured as shown in Figure 47.
1. Config
ure the DNS server:
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