Dns test configuration example, Network requirements, Configuration procedure – H3C Technologies H3C SR8800 User Manual
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DNS test configuration example
Network requirements
As shown in
, configure NQA DNS tests to test whether Device A can translate the domain name
host.com into an IP address through the DNS server and test the time required for resolution.
Figure 9 Network diagram
Configuration procedure
NOTE:
Before you make the configuration, make sure the devices can reach each other.
# Create a DNS test group.
<DeviceA> system-view
[DeviceA] nqa entry admin test
[DeviceA-nqa-admin-test] type dns
# Specify the IP address of the DNS server 10.2.2.2 as the destination address for DNS tests, and specify
the domain name that needs to be translated as host.com.
[DeviceA-nqa-admin-test-dns] destination ip 10.2.2.2
[DeviceA-nqa-admin-test-dns] resolve-target host.com
# Enable the saving of history records.
[DeviceA-nqa-admin-test-dns] history-record enable
[DeviceA-nqa-admin-test-dns] quit
# Start DNS tests.
[DeviceA] nqa schedule admin test start-time now lifetime forever
# Stop the DNS tests after a period of time.
[DeviceA] undo nqa schedule admin test
# Display the results of the last DNS test.
[DeviceA] display nqa result admin test
NQA entry (admin admin, tag test) test results:
Destination IP address: 10.2.2.2
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: 2008-11-10 10:49:37.3
Extended results:
Packet loss in test: 0%
Failures due to timeout: 0
Failures due to disconnect: 0