Dns Proxy Configuration Example - HP 5920 Series Configuration Manual

DNS proxy configuration example

Network requirements
When the IPv6 address of the DNS server changes, you must configure the new IPv6 address of the DNS
server on each device on the LAN. To simplify network management, you can use the DNS proxy
function.
As shown in
Specify Device A as the DNS server of Device B (the DNS client). Device A acts as a DNS proxy.
•
The IPv6 address of the real DNS server is 4000::1.
Configure the IPv6 address of the DNS proxy on Device B. DNS requests of Device B are forwarded
•
to the real DNS server through the DNS proxy.
Figure 44 Network diagram
Configuration procedure
Before performing the following configuration, assume that Device A, the DNS server, and the host are
reachable to each other and the IPv6 addresses of the interfaces are configured as shown in
Configure the DNS server:
1.
This configuration may vary with DNS servers. When a PC running Windows Server 2003 acts as
the DNS server, see
information.
Configure the DNS proxy:
2.
# Specify the DNS server 4000::1.
<DeviceA> system-view
[DeviceA] ipv6 dns server 4000::1
# Enable DNS proxy.
[DeviceA] dns proxy enable
Configure the DNS client:
3.
# Specify the DNS server 2000::2.
<DeviceB> system-view
[DeviceB] ipv6 dns server 2000::2
Figure 44:
"Dynamic domain name resolution configuration
91
Figure
example" for configuration
44.