H3C Technologies H3C S12500 Series Switches - Manual (Page 97)

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Displaying DDNS
Execute display commands in any view.
Task Command
Display information about the DDNS policy. display ddns policy [ policy-name ]
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DDNS configuration examples
By default, Ethernet, VLAN, and aggregate interfaces are down. To configure such an interface, bring
the interface up by executing the undo shutdown command.
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DDNS configuration example 1
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Network requirements
As shown in
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Figure 37 , Switch is a Web server with the domain name whatever.3322.org.
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 37 Network diagram
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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.
system-view
[Switch] ddns policy 3322.org
# Specify for DDNS update requests the URL address with the login ID steven and password nevets.