Chapter 6: Network troubleshooting using NFM-P

Overview

Purpose

This chapter provides information about troubleshooting a managed network using the NFM-P.

Contents

Overview

Troubleshooting services and connectivity

Service and connectivity diagnostics

Workflow to troubleshoot a service or connectivity problem

To identify whether a VPLS is part of an H-VPLS

To verify the operational and administrative states of service components

To verify the FIB configuration

To verify connectivity for all egress points in a service using MAC Ping and MAC Trace

To verify connectivity for all egress points in a service using MEF MAC Ping

To measure frame transmission size on a service using MTU Ping

To verify the end-to-end connectivity of a service using Service Site Ping

To verify the end-to-end connectivity of a service tunnel using Tunnel Ping

To verify end-to-end connectivity of an MPLS LSP using LSP Ping

To review the route for an MPLS LSP using LSP Trace

To review ACL filter properties

To view anti-spoof filters

To retrieve MIB information from a GNE using the snmpDump utility

Troubleshooting using the NE resync audit function

NE resync auditing overview

Workflow for NE resync auditing

To clear a Frame Size Problem (MTU Mismatch) alarm

To perform an NE resync audit

To view NE resync audit results using the NE audit manager

Troubleshooting network management LAN issues

Problem: All network management domain stations experience performance degradation

Problem: Lost connectivity to one or more network management domain stations

Problem: Another station can be pinged, but some functions are unavailable

Problem: Packet size and fragmentation issues

Troubleshooting using NFM-P client GUI warning messages

Client GUI warning message overview

To respond to a GUI warning message

Troubleshooting with Problems Encountered forms

Overview

To view additional problem information

To collect problem information for technical support

Troubleshooting using the NFM-P user activity log

User activity log overview

To identify the user activity for a network object

To identify the user activity for an NFM-P object

To navigate to the object of a user action

To view the user activity records of an object

To view the user activity performed during a user session