May I suggest you dump the 3Com syslog and consider MikroTik Syslog daemon. It is much more user friendly and you can tweak it for any settings you like. If you need help on where to download it - its free - and its use's, let me know.
I have played around with cspm3.0 and I can assure you that this is an invaluable piece of software for any organisation that has implemented a vpn solution. My advice to you is to make sure that you use cspm3.0. All the previous versions are riddled...