Installing and Administering HP FDDI/9000 Software

Chapter 4 55
Troubleshooting HP FDDI/9000
Diagnostic Flowcharts
Diagnostic Flowcharts
Below is a summary of the types of network tests in the diagnostic
flowcharts. Follow the flowcharts in sequence, beginning with Flowchart
1, to diagnose your problem.
FDDI Connections Test: Checks that all the hardware connections
between your system and the FDDI network are connected and
operational.
Configuration Test: Verifies the configuration of the network interface
on a host using the lanscan(1M), fddiinit, and ifconfig(1M) commands.
Network Level Loopback Test: Checks roundtrip communication
between Network Layers on the source and target host using the
ping(1M) diagnostic.
Transport Level Loopback Test: Checks roundtrip communication
between Transport Layers on the source and target host using ARPA
services telnet and ftp commands.
Link Level Loopback Test: Checks roundtrip communication between
Link Levels on the source and target host using the linkloop(1M)
diagnostic.
Gateway Configuration Test: Checks the configuration of multiple
network interfaces on a host.
Flowchart Description
1 FDDI Connections Test
2, 3, 4 & 5 Configuration Test
6 & 7 Network Level Loopback Test
8 Transport Level Loopback Test (using ARPA)
9 Link Level Loopback Test
10 Gateway Configuration Test
11 Gateway Loopback Test