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CHAPTER
9-1
Cisco Active Network Abstraction 3.6.6 MPLS User Guide
OL-19192-01
9
Using Cisco ANA PathTracer in MPLS Networks
The following topics describe how you can use the Cisco ANA PathTracer for Layer 2 and Layer 3
VPNs, and for MPLS TE tunnels:
• Cisco ANA PathTracer Tracing Capability, page 9-1—Provides a brief description of Cisco ANA
PathTracer.
• Using Cisco ANA PathTracer in MPLS Networks, page 9-2—Tells you how to use Cisco ANA
PathTracer.
• Cisco ANA PathTracer Windows, page 9-3—Describes the Cisco ANA PathTracer multipath and
single-path windows working environment and the information that can be viewed.
• Using Cisco ANA PathTracer for Layer 3 VPN, page 9-6—Tells you how to use the Cisco ANA
PathTracer for Layer 3 VPNs, including opening the Cisco ANA PathTracer and viewing path
information.
• Using Cisco ANA PathTracer for Layer 2 VPN, page 9-6—Tells you how to use the Cisco ANA
PathTracer for Layer 2 VPNs, including opening the Cisco ANA PathTracer and viewing path
information.
• Using Cisco ANA PathTracer for MPLS TE Tunnels, page 9-7—Tells you how to use the
Cisco ANA PathTracer for MPLS TE tunnels, including opening the Cisco ANA PathTracer and
viewing path information.
For more information about the Cisco ANA PathTracer, see the Cisco Active Network Abstraction 3.6.6
User Guide.
Cisco ANA PathTracer Tracing Capability
Cisco ANA PathTracer traces service routes or network connectivity between two points in the network
(or from a single starting point to an IP address) providing performance information simultaneously for
multiple networking layers along single as well as multiple routes. End-to-end paths are provided across
technologies and at different layers of the Open Systems Interconnection (OSI) stack. It also displays
various traffic and error statistics for each link and for each hop, helping to pinpoint problems that may
affect the service or cause service degradation.
Cisco ANA PathTracer identifies the location of the service-affecting problems (for example, devices,
slots, ports, and protocol stacks, including comprehensive multilayer status information with relevant
configuration and traffic parameters). Cisco ANA understands and is able to display the various services
on the network due to the up-to-date knowledge of the network.