Troubleshooting guide

5 — 5620 SAM component configuration
Alcatel-Lucent 5620 Service Aware Manager 5-31
5620 SAM
System Administrator Guide
Configurable hold-off options prevent subscriber table resyncs for a minimum specified
duration after a trap drop is received from the NE, and until a specified time window
has elapsed with no additional trap drops received from the NE. Additionally, a
maximum hold-off time is specified to prevent excessive periods during which the
5620 SAM is out of sync with the NE. The windowing trap delayer configuration reduces
the number of subscriber table resync events while providing a reasonable in-sync state
with the NE.
The windowing trap delayer option is configured in nms-server.xml file. It only affects
tmnxTrapDropped traps which are related to tmnxSubscriberCreated,
tmnxSubscriberDeleted or tmnxSubscriberRenamed traps. When the windowing trap
delayer option is disabled, tmnxTrapDropped traps are delayed using the default trap
delayer function.
1 Log in to the main server station as the samadmin user.
2 Navigate to the server configuration directory, typically
/opt/5620sam/server/nms/config.
3 Create a backup copy of the nms-server.xml file.
4 Open the nms-server.xml file using a text editor.
5 Locate the following XML tag:
<snmp
This section of the file contains the 5620 SAM SNMP information.
6 Add the following before the end of the SNMP section, ensuring that there is a
space between the last character and the section end, which is marked by a />
tag:
<windowingTrapDelayer enabled="true" checkInterval="10"
windowLength="30" maxHoldOff="60"/>
/snmp>
where windowingTrapDelayer enabled (boolean) sets the windowing trap delayer option as
enabled or disabled. The default is true.
checkInterval is the minimum interval after a trap drop is recieved, during which subscriber table
resyncs are prevented. The range is 5 to 30 seconds. The default is 10 seconds.
windowLength is a sliding time interval after a trap drop is recieved, during which no additional
trap drops can be recieved before subscriber table resyncs are allowed. The range is 5 to 60
seconds. The default is 30 seconds.
maxHoldOff is the absolute maximum hold-off time, after which subscriber table resyncs are
allowed. The range is 5 to 1800 seconds. The default is 60 seconds.
The checkInterval value must be less than the windowLength value, which must
be less than the maxHoldOff value.
7 Save and close the nms-server.xml file.
Caution — Contact your Alcatel-Lucent technical support
representative before you attempt to modify the nms-server.xml file.
Modifying the nms-server.xml file can have serious consequences that
can include service disruption.
Release 12.0 R6 | November 2014 | 3HE 08861 AAAF TQZZA Edition 01