Dns Proxy Configuration Example - H3C S5500-EI series Operation Manual

Operation Manual – DNS
H3C S5500-EI Series Ethernet Switches
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

1.5.3 DNS Proxy Configuration Example

I. Network requirements
Specify Switch A as the DNS server of Switch B (the DNS client).
Switch A acts as a DNS proxy. The IP address of the real DNS server is 4.1.1.1.
Switch B implements domain name resolution through Switch A.
II. Network diagram
Figure 1-8 Network diagram for DNS proxy
III. Configuration procedure
Note:
Before performing the following configuration, assume that Switch A, the DNS server,
and the host are reachable to each other and the IP addresses of the interfaces are
configured as shown in Figure 1-8.
1-10
Chapter 1 DNS Configuration