63
# Enable the saving of history records.
[DeviceA-nqa-admin-test1-dlsw] history-record enable
[DeviceA-nqa-admin-test1-dlsw] quit
# Start the DLSw operation.
[DeviceA] nqa schedule admin test1 start-time now lifetime forever
# After the DLSw operation runs for a period of time, stop the operation.
[DeviceA] undo nqa schedule admin test1
# Display the most recent result of the DLSw 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: 19/19/19
Square-Sum of round trip time: 361
Last succeeded probe time: 2011-11-22 10:40:27.7
Extended results:
Packet loss ratio: 0%
Failures due to timeout: 0
Failures due to disconnect: 0
Failures due to no connection: 0
Failures due to internal error: 0
Failures due to other errors: 0
# Display the history records of the DLSw operation.
[DeviceA] display nqa history admin test1
NQA entry (admin admin, tag test1) history records:
Index Response Status Time
1 19 Succeeded 2011-11-22 10:40:27.7
The output shows that the response time of the DLSw device is 19 milliseconds.
Path jitter operation configuration example
Network requirements
As shown in
, configure a path jitter operation to test the round trip time and jitters from
Device A to Device B and Device C.
Figure 20 Network diagram
Configuration procedure
# Assign IP addresses to interfaces, as shown in
. (Details not shown.)
# Configure static routes or a routing protocol to make sure the devices can reach each other.
(Details not shown.)
# Execute the
ip ttl-expires enable
command on Device B and execute the
ip unreachables
enable
command on Device C.
NQA client
10.1.1.1/24
10.1.1.2/24
10.2.2.2/24
Device A
Device B
Device C