150
Figure 43 Network diagram
Configuration procedure
# Assign each interface an IP address. (Details not shown.)
# Configure static routes or a routing protocol to make sure the devices can reach each other. (Details not
shown.)
# Create a DNS operation.
<DeviceA> system-view
[DeviceA] nqa entry admin test1
[DeviceA-nqa-admin-test1] type dns
# Specify the IP address of the DNS server 10.2.2.2 as the destination address and specify the domain
name to be translated as host.com.
[DeviceA-nqa-admin-test1-dns] destination ip 10.2.2.2
[DeviceA-nqa-admin-test1-dns] resolve-target host.com
# Enable the saving of history records.
[DeviceA-nqa-admin-test1-dns] history-record enable
[DeviceA-nqa-admin-test1-dns] quit
# Start the DNS operation.
[DeviceA] nqa schedule admin test1 start-time now lifetime forever
# After the DNS operation runs for a period of time, stop the operation.
[DeviceA] undo nqa schedule admin test1
# Display the most recent results of the DNS operation.
[DeviceA] display nqa result admin test1
NQA entry (admin admin, tag test1) test results:
Send operation times: 1 Receive response times: 1
Min/Max/Average round trip time: 62/62/62
Square-Sum of round trip time: 3844
Last succeeded probe time: 2011-11-10 10:49:37.3
Extended results:
Packet loss ratio: 0%
Failures due to timeout: 0
Failures due to internal error: 0
Failures due to other errors: 0
# Display the history records of the DNS operation.
[DeviceA] display nqa history admin test1
NQA entry (admin admin, tag test) history records:
Index Response Status Time
1 62 Succeeded 2011-11-10 10:49:37.3
The output shows that Device A uses 62 milliseconds to translate domain name host.com into an IP
address.
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