PCI FDDI Administrator's Guide

Troubleshooting PCI FDDI
Diagnostic Flowcharts
Chapter 386
Diagnostic Flowcharts
The following table summarizes the types of network tests in the
diagnostic flowcharts. Follow the flowcharts in sequence beginning with
Flowchart 1.
Table 3-5 Flowchart Descriptions
Char
t
Type of Test Purpose
1 Link Level Test Checks communications between link
levels on the source and target host
using the linkloop(1M) command.
2 Network Level
Tests
Validate arp(1M) entries and remote
host availability. Check communication
between network layers on source and
target host.
2a arp Test Verifies that an entry exists for the
remote host in your system's arp cache.
2b ping Test Checks roundtrip communication
between Network Layers on the source
and target host.
3 Transport Level
Test
Checks communications between
transport layers on the source and
target host using telnet and ftp
sessions.
4 Bridge/Gateway
Loopback Test
Checks general network connections
through a gateway.
5 Configuration
Tests
Verifies the configuration of thenetwork
interface on a host using the
lanscan(1M), netfmt(1M),
lanadmin(1M), and ifconfig(1M)
commands.
5a lanscan, ioscan
Tests
Verifies the configuration of thenetwork
interface on a host.