Displaying Ddns; Ddns Configuration Examples; Ddns Configuration Example 1 - HP 5920 Series Configuration Manual

Displaying DDNS

Execute display commands in any view.
Task
Display information about the DDNS policy.

DDNS configuration examples

DDNS configuration example 1

Network requirements
As shown in
Switch acquires the IP address through DHCP. Through DDNS service provided by www.3322.org,
Switch informs the DNS server of the latest mapping between its domain name and IP address. Switch
uses the DNS server to translate www.3322.org into the corresponding IP address.
Figure 46 Network diagram
Configuration procedure
Before configuring DDNS on Switch, register with username steven and password nevets at
http://www.3322.org/, add Switch's host name-to-IP address mapping to the DNS server, and make
sure the devices can reach each other.
# Create a DDNS policy named 3322.org, and enter its view.
<Switch> system-view
[Switch] ddns policy 3322.org
# Specify for DDNS update requests the URL address with the login ID steven and password nevets.
[Switch-ddns-policy-3322.org] url
http://steven:nevets@members.3322.org/dyndns/update?system=dyndns&hostname=<h>&myip=<
a>
# Set the interval for sending DDNS update requests to 15 minutes.
Figure 46, Switch is a Web server with the domain name whatever.3322.org.
Command
display ddns policy [ policy-name ]
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