H3C Technologies H3C WX6000 Series Access Controllers - Manual (Page 601)

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Network diagram
Figure 63-7 Network diagram for UDP-jitter test
Configuration procedure
1) Configure Switch.
# Enable the NQA server and configure the listening IP address as 10.2.2.2 and port number as 9000.
system-view
[Switch] nqa server enable
[Switch] nqa server udp-echo 10.2.2.2 9000
2) Configure AC.
# Create a UDP-jitter test group and configure related test parameters.
system-view
[AC] nqa entry admin test
[AC-nqa-admin-test] type udp-jitter
[AC-nqa-admin-test-udp-jitter] destination ip 10.2.2.2
[AC-nqa-admin-test-udp-jitter] destination port 9000
[AC-nqa-admin-test-udp-jitter] quit
# Enable the UDP-jitter test.
[AC] nqa schedule admin test start-time now lifetime forever
# Display results of a UDP-jitter test.
[AC] display nqa result admin test
NQA entry(admin admin, tag test) test results:
Destination IP address: 10.2.2.2
Send operation times: 10 Receive response times: 10
Min/Max/Average round trip time: 31/47/32
Square-Sum of round trip time: 10984
Last succeeded probe time: 2007-04-29 20:05:49.1
Extend results:
Packet lost 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
UDP-jitter results:
RTT number: 10
SD max delay: 23 DS max delay: 23
Min positive SD: 1 Min positive DS: 1
Max positive SD: 1 Max positive DS: 1
Positive SD number: 2 Positive DS number: 2
Positive SD sum: 2 Positive DS sum: 16
Positive SD average: 1 Positive DS average: 8