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Prestige 2602RL-D3A Support Notes
All contents copyright (c) 2007 ZyXEL Communications Corporation.
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If all the about have been tried, but register still fail what should I do?
In such case, please contact your local vendor for support. If they can't help out the problem they will escalate
your problem to ZyXEL tech center. To report a problem please prepared below info.
1. Serial number of the device.
2. SIP Call server type and vendor.
3. Your device firmware version and romfile with password.
4. Detail information what you have tried to resolve the problem.
I suspect there is a hardware problem with my Prestige what should I do?
Please follow the troubleshooting section in the user’s guide for brief hardware troubleshooting and
diagnostic tips. If you are sure there is a hardware problem after following the hardware diagnostic tips
in the user’s guide. Please contact your ZyXEL local vendor to send the device in for RMA service.
Firewall FAQ
What is a network firewall?
A firewall is a system or group of systems that enforces an access-control policy between two networks.
It may also be defined as a mechanism used to protect a trusted network from an untrusted network. The
firewall can be thought of two mechanisms. One to block the traffic, and the other to permit traffic.
What makes Prestige firewall secure?
The Prestige firewall is pre-configured to automatically detect and thwart Denial of Service (DoS) attacks
such as Ping of Death, SYN Flood, LAND attack, IP Spoofing, etc. It also uses stateful packet inspection
to determine if an inbound connection is allowed through the firewall to the private LAN. The Prestige
supports Network Address Translation (NAT), which translates the private local addresses to one or
multiple public addresses. This adds a level of security since the clients on the private LAN are invisible
to the Internet.