R3204P16-HP Load Balancing Module High Availability Configuration Guide-6PW101

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# Enable the saving of history records.
[LB-nqa-admin-test-dhcp] history-record enable
[LB-nqa-admin-test-dhcp] quit
# Start DHCP tests.
[LB] nqa schedule admin test start-time now lifetime forever
# Stop DHCP tests after a period of time.
[LB] undo nqa schedule admin test
# Display the results of the last DHCP test.
[LB] display nqa result admin test
NQA entry (admin admin, tag test) test results:
Send operation times: 1 Receive response times: 1
Min/Max/Average round trip time: 512/512/512
Square-Sum of round trip time: 262144
Last succeeded probe time: 2007-11-22 09:54:03.8
Extended results:
Packet loss in test: 0%
Failures due to timeout: 0
Failures due to disconnect: 0
Failures due to no connection: 0
Failures due to sequence error: 0
Failures due to internal error: 0
Failures due to other errors: 0
Packet(s) arrived late: 0
# Display the history of DHCP tests.
[LB] display nqa history admin test
NQA entry (admin admin, tag test) history record(s):
Index Response Status Time
1 512 Succeeded 2007-11-22 09:54:03.8
DNS test configuration example
Network requirements
As shown in Figure 36, configure NQA DNS tests to test whether LB can translate the domain name
host.com into an IP address through the DNS server and test the time required for resolution.
Figure 36 Network diagram for DNS tests
Configuration procedure
NOTE:
Before you make the configuration, make sure the devices can reach each other.