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158 Agilent FrameScope Pro User’s Manual
5 Network Performance Analyzer Reference
Network Tools
Maximum Hop Count The maximum number of routers to
traverse while tracing out the route.
SNMP Query
This tool uses SNMP to retrieve the following information from
the device. This information is usually provided by IT services.
• MIB II System Group
• System description
• Up time
• Contact
• System name
• Location
Locate Switch Port
This tool is used to determine the switch port to which a device
is connected. SNMP is used to look for switches in the network.
Each of these switches are probed to see if the device shows up
in the switch’s tables. All of the switch ports which are mapped
to the devices MAC address are displayed. There is no order to
the list for multiple results, so you cannot interpret the results
as a direct path.
Performance Tests
The Performance Tests tool is used to verify the performance of
a network between two network points. These tests are IP and
MAC loopback tests, RFC 2544 throughput ,latency, frame loss
rate and back to back tests. For details on each test, go to
“Performance Tests” on page 53. Some points to note are:
• All loopback and RFC 2544 tests require a second
FrameScope as a slave device.
• The MAC loopback test only works within the subnet (does
not work across routers).
Traffic Generation
A hardware based traffic generation tool is provided to enable
network testing under heavily loaded conditions.
Hardware-based timers control the transmission of the user
specified frames into the network.