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Friday, January 12, 2007
 
Backing Up Sun Secure Application Switch Configuration

Multi-node deployments of enterprise applications like E-Business Suite (aka Oracle Applications) have a dependency on hardware load balancers like Sun Secure Application Switch*. Just like any piece of hardware, Sun Secure Application Switches are also vulnerable to hardware failures. Naturally we want to make a backup copy of the switch configuration once everything is configured and tested properly. So, here are the steps to save the existing configuration:
  1. Connect to Application Switch on the CLI. On the CLI, type, for example:

     % telnet 192.168.109.70
     Trying 192.168.109.70...
     Connected to 192.168.109.70.
     Escape character is '^]'.
     username: admin
     password:

     MDE>



  2. Save the configuration to any file with show runningConfig saveToFile command as shown below:

     MDE> show runningConfig saveToFile sunfish_3appnodes_010707.cfg.txt password admin nameValuePairs true

     Please confirm the password:

     Note: Opening file "/ftl0/usr/home/sunfish_3appnodes_010707.cfg.txt" to write running-config.

     MDE> quit
     Goodbye
     Connection to 192.168.109.70 closed by foreign host.



  3. Finally download the configuration file from the switch {to the local host} with the help of trivial file transfer program (tftp) on port 69.

     % tftp 192.168.109.70 69

     tftp> get /ftl0/usr/home/sunfish_3appnodes_010707.cfg.txt
     Received 19672 bytes in 0.2 seconds

     tftp> quit



The configuration file may look like:

################################################################################
# System Name : Sun Secure Application Switch
# Date : Sun Jan 7 18:49:33 2007
# Serial No : 00608000124
# Sofware Version : V3_1R0
################################################################################
commandModeEntry on
enable
configure

#
# Create all vSwitches upfront
#
vSwitch vSwitchName EBS
vRouter name default description {Default vRouter}
vRouter name default
exit;
exit;
vSwitch vSwitchName system description {System vSwitch}
vSwitch vSwitchName system
vRouter name management description {System Management vRouter}
vRouter name management
exit;
vRouter name shared description {Shared vRouter}
vRouter name shared
exit;
exit;

#
# Event configuration and statistics
#
event fileLogSize 4194304
...
...

Sample Sun Secure Application Switch configuration:

Click here for the complete copy of the configuration file from an E-Business Suite 11.5.10 deployment with three application server nodes in the middle-tier.

Related documentation:

Note:
Sun Secure Application Switch is more than a hardware load balancer. Check the home page of Sun Secure Application Switch for key features. By the way, Sun Secure Application Switch may also be referred as 'Nauticus Switch' or 'Sunfish' by some Sun folks.
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