Hello, I have a Cisco 1720 with a VPN module (see below) and periodically, once a day, the router stops functioning and requires a reload. All techs in the office access a group of production servers through a point to point VPN and the router also provides internet and mail access for the office. The router's behavior is odd. A classic example starts with the mail server being unreachable but current sessions with production servers are still active. Perhaps a minute after mail unavailability the prod servers sessions die, the internet connection dies and I have to reload the router. I have suggested that we stop receiving mail through the VPN since I believe the VPN is the guity party. I just started this job and was told that the router had a software upgrade recently.
This is typical of a device running out of memory.
The router S/W requires more memory than the previous S/W. (This may be due to increased funtionality)
Either upgrade the amount of memory or revert back to the previous version of S/W. (You may not be able to revert back to the earlier version if the upgrade was to provide increased functionality - ie encryption etc.)
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