I have a Cisco SA 520W that doesn't seem to respond to two settings in the configuration. I've enabled/disabled/re-enabled various times and still no change in behavior.
The first is PING on the WAN interface. I want to enable it, but the checkbox is cleared and the box still does not respond to WAN pings.
The second is firmware periodic checks. I have put my username and password into the configuration, and left the checkbox empty, but the router consistently (once per hour perhaps) checks cisco.com for updated firmware.
Don't know what caused it, but it was unstable last night and had to be restored to factory settings. The checkboxes are now working as one would expect them to work, and the box is responding to pings.
My gut instinct is that it had to do with an old 1.0.15 configuration file being applied after the upgrade to the 1.1.21 firmware and munging the configuration file running. Reconfigured from scratch and it's working as expected.
I first had automatic firmware checks enabled, and to check periodically. I eventually wanted to disable that, and unchecked the box. The web interface doesn't allow you to remove the username and password (my feeling is a button should be added that clears the username/password fields and applies the changes to the configuration) so I left the username and password and hit "apply".
The cron jobs were not removed though (I could see them in the downloaded config files) and messages appeared in my logs about firmware checks as well as the "Time at which last query was made" on the status screen continued to update. Hope that helps you re-create the issue.
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