Troubleshooting
Diagnostic Flowcharts
Diagnostic Flowcharts
The following table summarizes the types of network tests in the diagnostic flowcharts.
Table
Chart | Type of Test | Purpose |
|
|
|
1 | Cable and LED | Checks that hardware, cables, and connectors between your |
| Test | 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 | Validates arp(1M) entries and remote host availability. |
| Tests | Checks communication between network layers on source |
|
| and target host using ping(1M). |
|
|
|
3a | ARP Test | Verifies that an entry exists for the remote host in your |
|
| system's ARP cache. |
|
|
|
3b | ping Test | Checks communication between network layers on the source |
|
| and target host. |
|
|
|
4 | Transport Level | Checks communication between transport layers on source |
| Test | and target host using telnet and ftp sessions. |
|
|
|
5 | Bridge/Gateway | Checks general network connections through a gateway. |
| Loopback Test |
|
|
|
|
6 | Configuration | Verifies configuration of network interface on a host using |
| Tests | ioscan(1M), lanscan(1M), netfmt(1M), lanadmin(1M), and |
|
| ifconfig(1M). |
|
|
|
6a | ioscan and lanscan | Verifies configuration of network interface on a host. |
| Test |
|
|
|
|
6b | netfmt and | Verifies configuration of network interface on a host. |
| lanadmin Test |
|
|
|
|
6c | ifconfig Test | Verifies configuration of network interface on a host. |
|
|
|
Chapter 4 | 29 |
