3Com Switch 4800G 24-Port Configuration Manual page 1055

To do...
Configure the test type as
HTTP and enter test type view
Configure the destination
address for a test operation
Configure the source IP
address of a probe request
Configure the operation type
Configure the website that an
HTTP test visits
Configure the HTTP version
used in the HTTP test
Configure common optional
parameters
n
The TCP port number for the HTTP server must be 80 in an HTTP test. Otherwise,
the test will fail.
Configuring the
UDP-jitter Test
n
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.
Configuring an NQA Test Group
Use the command...
type http
destination ip ip-address
source ip ip-address
operation { get | post }
url url
http-version v1.0
Refer to "Configuring
Optional Parameters Common
to an NQA Test Group" on
page 1062
1055
Remarks
Required
Required
By default, no destination IP
address is configured for a
test operation.
The destination IP address for
a test operation is the IP
address of the HTTP server.
Optional
By default, no source IP
address is specified.
The source IP address must be
that of an interface on the
device and the interface must
be up. Otherwise, the test will
fail.
Optional
By default, the operation type
for the HTTP is get, that is,
obtaining data from the HTTP
server.
Required
Optional
By default, HTTP 1.0 is used in
an HTTP test.
Optional