Netscout OneTouch AT 10G, User Manual

Page: 159 / 248

Chapter 7: Wired Analysis
157
Path Analysis
Path Analysis traces the connection points, including intermediate
routers and switches, between the OneTouch AT 10G analyzer
and a target device. You can use path analysis to identify issues
such as overloaded interfaces, overloaded device resources, and
interface errors.
Path Analysis combines Layer 3 and Layer 2 measurements. The
Layer 3 measurement combines the classic Layer 3 IP (UDP, ICMP,
or TCP) trace route measurement with a view of the path through
the Layer 2 switches. SNMP queries are used to discover all
switches. When the measurement is complete, the number of
hops to the last device is shown. A maximum of 30 hops can be
reported.
Running Path Analysis from the Wired Device Discovery Screen
1
To obtain details of SNMP-enabled devices, configure SNMP
community strings or credentials for the network under test.
See “SNMP” on
page 146.
2
Run AutoTest.
3
Tap the Wired Analysis icon on the HOME screen.
4
Optional: Tap the HOSTS , ACCESS DEVICES , or SERVERS tab to
narrow your view.
5
Tap a device’s button to expand it and view its details. The
wired analysis TOOLS button
appears at the lower-right
corner of the screen.