Owners Manual

Table Of Contents
Known Issues
43
Devices not implementing LLDP MIBs with complete and correct data will
prevent OMNM from discovering links for the device. Also some devices encode
STP data collected via SNMP in a way that is difficult to decipher. In these cases,
Dell OpenManage Network Manager logs a warning message
Problem
determining designated port encoding algorithm
during device link
discovery. (16438)
A device login banner can not contain the same character(s) that are used during
the device login sequence. For example hashmarks (#) greater than symbols (>)
etc. (24992)
Due to a bug in the implementation of a card-marking performance optimization
in the JVM (version 6u18), Synergy can crash under heavy load caused by heap
corruption.
To avoid this issue, users should disable card-marking performance optimization:
For Windows
1. Edit setenv.bat file located in
...\oware\synergy\tomcat-xx\bin
2. Add -XX:-ReduceInitialCardMarks as one of JAVA_OPTS variables
set "JAVA_OPTS=%JAVA_OPTS% -XX:-ReduceInitialCardMarks -XX:NewS-
ize=%PORTAL_GC_NEWSIZE%....
3. In Oware environment, navigate to
...\oware\synergy\tomcat-xx\bin
direc-
tory and execute service.bat update
>oware
$service.bat update
4. Restart Synergy
For Linux
1. Edit setenv.sh file located in
.../oware/synergy/tomcat-xx/bin
2. Add -XX:-ReduceInitialCardMarks as one of JAVA_OPTS variables
JAVA_OPTS="$JAVA_OPTS -XX:-ReduceInitialCardMarks -XX:NewS-
ize=PORTAL_GC_NEWSIZE....
• Restart Synergy.
Configuration Management
When a device does not support the selected backup protocol, or if no file server
is available for the selected protocol, OMNM uses the most secure backup
protocol possible given those constraints. This behaviour is works as designed.
However, no message appears in the audit trail to indicate that the default was
chosen over the selected, but unavailable, protocol (25848)
Dell Powerconnect devices do not support FTP for backup. If you select FTP,
OMNM defaults to the most secure protocol possible (SFTP). (25918)
Event Management
Starting with v.5.3, ICMP Monitor includes Force10 devices responding to ping.