H3C Technologies H3C SecBlade LB Cards - Manual (Page 149)

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system-view
[LBB] nqa server enable
[LBB] nqa server udp-echo 10.2.2.2 8000
4. Configure LB A:
# Create a UDP echo operation.
system-view
[LBA] nqa entry admin test1
[LBA-nqa-admin-test1] type udp-echo
# Configure 10.2.2.2 as the destination IP address and port 8000 as the destination port.
[LBA-nqa-admin-test1-udp-echo] destination ip 10.2.2.2
[LBA-nqa-admin-test1-udp-echo] destination port 8000
# Enable the saving of history records.
[LBA-nqa-admin-test1-udp-echo] history-record enable
[LBA-nqa-admin-test1-udp-echo] quit
# Start the UDP echo operation.
[LBA] nqa schedule admin test1 start-time now lifetime forever
# Stop the UDP echo operation after a period of time.
[LBA] undo nqa schedule admin test1
# Display the results of the UDP echo operation.
[LBA] display nqa result admin test1
NQA entry (admin admin, tag test1) test results:
Destination IP address: 10.2.2.2
Send operation times: 1 Receive response times: 1
Min/Max/Average round trip time: 25/25/25
Square-Sum of round trip time: 625
Last succeeded probe time: 2011-11-22 10:36:17.9
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 records of the UDP echo operation.
[LBA] display nqa history admin test1
NQA entry (admin admin, tag test1) history record(s):
Index Response Status Time
1 25 Succeeded 2011-11-22 10:36:17.9
The output shows that the round-trip time between LB A and port 8000 on LB B is 25 milliseconds.
Voice operation configuration example
Network requirements
As shown in Figure 57 , configure a voice operation to test the jitters between LB A and LB B.