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A-9
Troubleshooting
Figure A.3 - Networking Connectivity Using PVCs
Call Cabletron.
Verify
outgoing ATM
ARP cache entry?
Run atmarp -a.
n
y
Create an
outgoing ATM
ARP cache entry.
Run atmarp -s.
Run atmstat fa0 on remote end when
continuously pinging. Run ping IP.
No cells
received by
remote end.
Cells and VPI/VCI
errors received by
remote.
Cells and AAL*
errors received
by remote.
Cells and no errors
received by remote
and transmitting
no cells.
Verify PVC
on switch.
Verify PVC
on switch.
Verify AAL
types on local
and remote ws.
Verify outgoing
entry on
Continuous ping
Verify VPI/VCI
of incoming
ARP entry on
remote ws.
A
Correct?
A
Correct?
Call Cabletron.
B
Same?
B
Correct?
B
Call Cabletron.
B
Correct?
Call Cabletron.
n
nn
n
atmstat fa0 1.
Have network manager
check IP configuration.
y
n
y
y
y
y
y
y
n
n
Correct switch
configuration.
Correct the ARP
cache entry.
A
X
B
X
Run atmarp -a.
from remote.
Cells and no errors
received by remote
and transmitting
cells.
Board hardware
OK from tests in
Figure A.1.
X
Run
Are cells going out
the local
interface?
remote end.
Run atmarp -a.
Have network manager
check IP configuration.
Is IP
encapsulation
same on both
ends?
Is IP
remote end
encapsulation
correct?
n