3Com MSR 50 NQA Client Configuration Commands, Data-fill, Syntax data-fill string Undo data-fill

NQA CLIENT CONFIGURATION

149 COMMANDS

data-fill

Syntax data-fill string

undo data-fill

View ICMP-echo/UDP-echo/UDP-jitter test type view

Parameter string: String of fill characters of a probe packet, in the range 1 to 200. It is case sensitive.

Description Use the data-fillcommand to configure the string of fill characters of a probe packet.

Use the undo data-fillcommand to restore the default.

By default, the string of fill characters of a probe packet is the string corresponding to the ASCII code 00 to 09.

■If the probe packet is smaller than the fill data, the system uses only the first part of the character string to encapsulate the packet.

■If the probe packet is larger than the fill data, the system fills the character string cyclically to encapsulate the packet until it is full.

For example, when the fill data is abcd and the size of a probe packet is 3 byte, abc is used to fill the packet. When the probe size is 6 byte, abcdab is used to fill the packet.

■Because the first five bytes of a probe packet in a UDP-echo test have some specific usage, the configured character string is used to fill the remaining bytes in the probe packet.

■Because the first 68 bytes of a probe packet in UDP-jitter test have some specific usage, the configured character string is used to fill the remaining bytes in the probe packet.

Example # Configure the string of fill characters of an ICMP-echo probe packet as abcd.

<Sysname> system-view [Sysname] nqa entry admin test [Sysname-nqa-admin-test] type icmp-echo

[Sysname-nqa-admin-test-icmp-echo] data-fill abcd