Cabletron Systems MMAC-Plus 9A000, User Manual, Page: 105 / 180

A-9
Troubleshooting
Figure A.3 - Networking Connectivity Using PVCs
Call Cabletron.
V
erify
outgoing A
TM
ARP cache entry?
Run atmarp -a.
n
y
Create an
outgoing A
T
M
ARP cache entry
.
Run atmarp -s.
Run atmstat f
a0 on remote end when
continuously pinging. Run ping IP
.
No cells
recei
v
ed by
remote end.
Cells and
VPI/VCI
errors recei
v
ed by
remote.
Cells and
AAL*
errors recei
v
ed
by remote.
Cells and no errors
recei
v
ed by remote
and transmitting
no cells.
V
erify PVC on switch.
V
erify PVC on switch.
V
erify AAL
types on local
and remote ws.
V
erify outgoing
entry on
Continuous ping
V
erify 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 f
a0 1.
Ha
v
e netw
ork 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
recei
v
ed by remote
and transmitting
cells.
Board hardw
are
OK from tests in
Figure A.1.
X
Run
Are cells going out
the local
interf
ace?
remote end.
Run atmarp -a.
Ha
v
e netw
ork manager
check IP configuration.
Is IP
encapsulation same on both
ends?
Is IP
remote end
encapsulation
correct?
n