Nortel 6220 User Manual page 68

70
If enabled, you will need to set up routes on the IP Routing screen or you
will not be able to access your hardware unit when you exit the
Configurator program.
Enable Remote Bridging Using IP Tunnels
This option allows you to encapsulate Ethernet packets of any protocol in
IP and then send them to another Secure Data Mode Bridge/Router to de-
encapsulation. Select this checkbox to enable this capability.
Some versions of the Secure Data Mode Station support a special feature
which will enable Ethernet packets of any protocol type to be
encapsulated in IP and then sent to other Secure Data Mode Stations for
de-encapsulation. This method can be used to set up "virtual" Ethernet
LANs between several points using the IP network as the transport layer.
This feature can be used to create a Virtual Private Network when used
in conjunction with the Data Encryption option.
Enable Watchdog Reboot Timer
Select this item in General Setup to enable the watchdog timer reboot
feature. If packets are not seen on the network for more than 10 minutes,
(a very rare occurrence) the Secure Data Mode Station will reboot itself.
Once it has rebooted, the 10 minute reboot timer will not activate again
until a packet has been seen on one of the interfaces. This is to ensure
that only one reboot will occur if the entire network is truly shut down.
Enable IP UDP/TCP Security Filters
Select this option in General Setup to enable the base station's Firewall
(IP Security Filter) features. You can set the base station to explicitly or
implicitly allow or deny IP connections to specific UDP or TCP ports,
and/or between specific IP addresses or subnets. For more information,
see Firewall Setup.
Note: This option is only available when the MAC Authentication
Access Control button has been selected on the General Setup screen.
Enable Outgoing Network Address Translation
Select this checkbox if you will be using Outgoing NAT to multiplex
traffic from all the computers on your internet network through the
Secure Data Mode Bridge/Router.
Outgoing Network Address Translation (NAT) allows multiple
computers to share a single IP address to connect to an IP network,
including the Internet. This allows homes, small businesses, and Internet
Service Providers to have Internet service for all of their computers
without having to pay for additional IP addresses. The NAT feature
WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005