Installing and Administering LAN/9000 Software

108 Chapter4
Troubleshooting LAN/9000
Diagnostic Flowcharts
Flowchart 11: Subnet Test
Figure 4-13 Flowchart 11
A
I
11
D
H
G
E
J
K
no
no
no
yes
yes
yes
yes
F
11
11a
11a
11a
Host
portion all 0s
or all 1s?
Subnet mask
set to what you
expect?
Correct IP
address
All
hosts on
subnet using
same subnet
mask?
Correct
subnet mask
All
hosts on
network have
subnet mask
set?
Correct
subnet mask
Check route table on
source, destination
Stop
Correct
route tables
no
B
Correct IP
address