HP-UX LAN Administrator's Guide (July 2003)

Troubleshooting HP-UX LANDRAFT COPY
Diagnostic Flowcharts
Chapter 464
Flowchart 4: Network Level Loopback Test
Figure 4-6 Flowchart 4
E
F
B C
G
I
A
D
H
J
4
yes
no
yes
yes
yes
yes
yes
no
no
no
no
no
4
4
4
5
Execute: ping
to remote host
ping
successful?
Network
unreachable
?
Local LAN
interface up
?
Call HP
Stop
Command
hangs?
Configure
interface up
Unknown
host?
Correct BIND, NIS,
or /etc/hosts
configuration
No route
to host?
Add route
table entry
Call HP