Alcatel-Lucent MDR-8000 User Manual page 85

Problem
Unusually slow communi-
cation in radio network
Unable to operate con-
trols using SNMP
Can Read SNMP objects
but cannot Write to
SNMP objects
Table 5-5 TMN Network Troubleshooting
Possible Cause
1. Normal network management
traffic is saturating the communi-
cations channel.
2. Polling radios for PM data or
missed alarms too rapidly
3. Multiple remote software down-
loads in process
4. IP traffic other than network
management traffic being routed
through radio network
To perform control operations, the
Manager must be registered as a
craft device.
1. Incorrect community string
2. Insufficient SNMPv3 privileges
3. If the TMN Interface is config-
ured for SNMPv2, the write
community string is probably
wrong.
Possible Solution
1. There may be too many radios
being managed within a single
region. Split the radio network
management into different
regions and backhaul the traffic
for each region through sepa-
rate channels.
2. Poll the radios more slowly.
3. Download to fewer radios at a
time.
4 Configure external routers to
allow only network management
related traffic through the Man-
agement network of the radios.
Dynamic route updates (OSPF,
RIP) may attempt to reroute high
speed traffic through the TMN
network if a high speed ink fails.
Register the Manager as a craft
device. Manager registration type
can be changed as needed to type
'ct' to allow control operation and
then be changed back to 'nml' for
normal operation.
1. Use the correct community
string.
2. Use the correct privileges:
a) The TMN Interface supports 4
view levels. Use a SNMPv3 user
account that supports write
access to the selected SNMP
object.
b) Use the correct Authentication
mode.
c) Use the correct Privacy pass-
phrase.
3 Use the correct write community
string.
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