H3C Technologies H3C MSR 50 - Manual (Page 130)

Step Command Remarks
By default, no destination IP
address is configured.
322. Configure the destination
address of UDP packets.
The destination address must be
the same as the IP address of the
listening service configured on the
NQA server.
destination ip ip-address
By default, no destination port
number is configured.
323. Configure the destination port
of UDP packets.
destination port port-number The destination port number must
be the same as that of the listening
service on the NQA server.
Optional. 324. Configure Payload size in
each UDP packet.
data-size size
100 bytes by default.
Optional.
325. Configure the string to be
filled in the payload of each
UDP packet.
By default, the string is the
hexadecimal number
00010203040506070809.
data-fill string
Optional.
326. Specify the source port of UDP
packets.
source port port-number
By default, no source port number
is specified.
Optional.
By default, no source IP address is
specified.
327. Configure the source IP
address of UDP packets.
The source IP address must be that
of an interface on the device and
the interface must be up.
Otherwise, no UDP packets can be
sent out.
source ip ip-address
Configuring a voice operation
CAUTION:
Do not perform a voice operation to a well-known port from 1 to 1023. Otherwise, the NQA operation
might fail or the service on that port becomes unavailable.
A voice operation measures voice over IP (VoIP) network performance.
A voice operation works as follows:
1. The NQA client sends voice packets of G.711 A-law, G.711 μ-law or G.729 A-law codec type at
a specific interval to the destination device (NQA server).
2. The destination device takes a time stamp to each voice packet it receives and sends it back to the
source.
3. Upon receiving the packet, the source device calculates the jitter and one-way delay based on the
time stamp.
117