Configuring The Udp-Jitter Test - H3C S5500-EI series Operation Manual

Operation Manual – NQA
H3C S5500-EI Series Ethernet Switches

1.6.5 Configuring the UDP-jitter Test

Note:
You are not recommended to perform an NQA UDP-jitter test on ports from 1 to 1023
(known ports). Otherwise, the NQA test will fail or the corresponding services of this
port will be unavailable.
Delay jitter refers to the difference between the interval of receiving two packets
consecutively and the interval of sending these two packets. The procedure of a
UDP-jitter test is as follows:
The source sends packets at regular intervals to the destination port.
The destination affixes a time stamp to each packet that it receives and then sends
it back to the source.
Upon receiving the packet, the source calculates the delay jitter, and the network
status can be analyzed.
I. Configuration prerequisites
A UDP-jitter test requires cooperation between the NQA server and the NQA client.
Before the UDP-jitter test, make sure that the UDP listening function is configured on
the NQA server.
II. Configuring the UDP-jitter test
Follow these steps to configure the UDP-jitter test:
Enter system view
Enter NQA test group
view
Configure the test type as
UDP-jitter and enter test
type view
Configure the destination
address for a test
operation
To do...
system-view
nqa entry admin-name
operation-tag
type udp-jitter
destination ip ip-address
Use the command...
1-12
Chapter 1 NQA Configuration
Remarks
—
—
Required
Required
By default, no destination
IP address is configured
for a test operation.
The destination IP
address must be
consistent with that of the
existing listening service
on the NQA server.