HP 6125G HP 6125G & 6125G/XG Blade Switches Network Management and Mon - Page 120

data-size

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How the string is filled varies with test types: • For ICMP echo tests, the string fills the whole data field of ICMP echo requests. • For UDP echo tests, the first five bytes of the data field of a UDP packet are for special purpose, so the string fills the remaining part of data field. • For UDP jitter tests, the first 68 bytes of the data field of a UDP packet are for special purpose, so the string fills the remaining part of the data field. • For voice tests, the first 16 bytes of the data field of a UDP packet are for special purpose, so the string fills the remaining part of the data field. Examples # Configure string abcd to be filled in the data field of an ICMP echo request. system-view [Sysname] nqa entry admin test [Sysname-nqa-admin-test] type icmp-echo [Sysname-nqa-admin-test-icmp-echo] data-fill abcd data-size Syntax data-size size View undo data-size ICMP echo, UDP echo, UDP jitter, voice operation view Default level 2: System level Parameters size: Specifies the size of the data field in a probe packet in bytes. The value is in the range of 20 to 8100 for probe packets of ICMP echo or UDP echo tests, 68 to 8100 for probe packets of UDP jitter tests, and 16 to 1500 for probe packets of voice tests. Description Use data-size to configure the size of the data field in each ICMP echo request of the ICMP echo tests or in each UDP packet of UDP echo, UDP jitter, or voice tests. Use undo data-size to restore the default. Table 30 Default values of the size of a probe packet Operation ICMP echo UDP echo UDP jitter Voice Voice Voice Codec type N/A N/A N/A G.711 A-law G.711 μ-law G.729 A-law Default value (in bytes) 100 100 100 172 172 32 114

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114
How the string is filled varies with test types:
•
For ICMP echo tests, the string fills the whole data field of ICMP echo requests.
•
For UDP echo tests, the first five bytes of the data field of a UDP packet are for special purpose, so
the string fills the remaining part of data field.
•
For UDP jitter tests, the first 68 bytes of the data field of a UDP packet are for special purpose, so
the string fills the remaining part of the data field.
•
For voice tests, the first 16 bytes of the data field of a UDP packet are for special purpose, so the
string fills the remaining part of the data field.
Examples
# Configure string
abcd
to be filled in the data field of an ICMP echo request.
<Sysname> system-view
[Sysname] nqa entry admin test
[Sysname-nqa-admin-test] type icmp-echo
[Sysname-nqa-admin-test-icmp-echo] data-fill abcd
data-size
Syntax
data-size
size
undo
data-size
View
ICMP echo, UDP echo, UDP jitter, voice operation view
Default level
2: System level
Parameters
size
: Specifies the size of the data field in a probe packet in bytes. The value is in the range of 20 to 8100
for probe packets of ICMP echo or UDP echo tests, 68 to 8100 for probe packets of UDP jitter tests, and
16 to 1500 for probe packets of voice tests.
Description
Use
data-size
to configure the size of the data field in each ICMP echo request of the ICMP echo tests or
in each UDP packet of UDP echo, UDP jitter, or voice tests.
Use
undo data-size
to restore the default.
Table 30
Default values of the size of a probe packet
Operation
Codec type
Default value (in bytes)
ICMP echo
N/A
100
UDP echo
N/A
100
UDP jitter
N/A
100
Voice
G.711 A-law
172
Voice
G.711
μ
-law
172
Voice
G.729 A-law
32