ZyWALL 70 Support Notes
4
A25. When do I need DDNS service?.....................................................254
A26. What DDNS servers does the ZyWALL support?........................254
A27. What is DDNS wildcard? ...............................................................254
A28. Does the ZyWALL support DDNS wildcard?...............................255
A29. Can the ZyWALL NAT handle IPSec packets sent by the VPN
gateway behind ZyWALL? .....................................................................255
A30. How do I setup my ZyWALL for routing IPSec packets over
NAT? .........................................................................................................255
A31. What is STP (Spanning Tree Protocol) /RSTP (Rapid STP)?.....255
A32. What is the flow ZyWALL handles inbound and outgoing
traffic?.......................................................................................................256
A33. What is “UTM”?.............................................................................256
A34. What are the differences between ZyWALL UTM models and
previous ZyWALL models?.....................................................................256
A35. What are the key new features of ZyNOS v4.00?.........................256
B. Firmware Upgrade FAQ................................................................................257
B01. Which ZyWALL models are eligible to be upgraded to run
ZyNOS v4.00?...........................................................................................257
B02. Why it’s conditional to upgrade to ZyNOS v4.00 for ZyWALL
70?..............................................................................................................257
B03. What is ZyNOS v3.65 for ZyWALL 70?........................................258
B04. What happens if I wrongfully upgrade firmware of a ZyWALL
70 with only 32MB of RAM to ZyNOS v4.00 directly?........................258
B05. What happened if I upgrade a ZyWALL 70 running ZyNOS
v3.62/3.63/3.64 to v4.00 directly?............................................................258
B06. I am a 32MB ZyWALL 70 owner, how can I upgrade to ZyNOS
v4.00 having AV+IDP and AS features?
.................................................258
B07. If I were a 32MB ZyWALL 70 owner and a Content Filtering
service subscriber, will my current license status be retained after
joining your ZyWALL 70 trade-in promotion?.....................................259
B08. What’s the firmware upgrade path for my current ZyWALL 5
and ZyWALL 35?.....................................................................................259
B09. After a successful firmware upgrade to ZyNOS v4.00, what’s the
default setting of AV+IDP, AS and CF?
.................................................259
B10. What happens to my original system configurations after a
successful firmware upgrade to ZyNOS v4.00?
....................................259
B11. What’s the downgrade procedure of ZyWALL 70 running
ZyNOS v4.00?...........................................................................................260
All contents copyright (c) 2005 ZyXEL Communications Corporation.
