
Troubleshooting
Diagnostic Flowcharts
Chapter 4
49
Diagnostic Flowcharts
Table 4-1 summarizes the types of network tests in the diagnostic flowcharts.
Table 4-1 Diagnostic Flowcharts
Chart Type of Test Purpose
1 Cable and LED
Test
Checks that hardware, cables and connectors
between your system and card are operational.
2 Link Level Test Checks communication between link levels on source
and target host using linkloop(1M).
3 Network Level
Tests
Groups the ARP and ping tests (see Figure 4-3 and
Figure 4-4 for the details of these tests) at the
network level.
4 ARP Test Verifies that an entry exists for the remote host in
your system's ARP cache.
5 ping Test Checks communication between network layers on
the source and target host.
6 Transport Level
Test
Checks communication between transport layers on
source and target host using telnet and ftp sessions.
7 Bridge/Gateway
Loopback Test
Checks general network connections through a
gateway.
8 Configuration
Tests
Verifies configuration of network interface on a host
using ioscan(1M), lanscan(1M), netfmt(1M),
lanadmin(1M) and ifconfig(1M).
9 ioscan and
lanscan Tests
Verifies configuration of network interface on a host.
10 netfmt and
lanadmin Tests
Verifies configuration of network interface on a host.
11 ifconfig Test Verifies configuration of network interface on a host.