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Chapter 7, Configuring control tunnels, Chapter 7 configuring control tunnels – Panasonic 7 User Manual

Page 137

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Chapter 7
Configuring control tunnels

Control tunnels are special tunnels that allow you to securely manage a Nortel
VPN Router over the Internet. The primary reasons for creating control tunnels

are secure management and network data integrity. Control tunnels provide secure
access to a customer’s remote Nortel VPN Router so that you can manage it over a

network. Control tunnels also guarantee that no data from the network behind that
customer’s Nortel VPN Router could be accessed by anyone on the network who
manages the Nortel VPN Router.

You can allow access to FTP, DHCP, RADIUS, and DNS servers from the Nortel
VPN Router through the control tunnel. Control tunnels allow you to easily
configure secure tunnels to any Nortel VPN Router that you want to manage. This

allows you to set up an encrypted tunnel to a customer’s Nortel VPN Router.

Through that tunnel you can perform all the necessary management tasks, such as
HTTP, FTP, SNMP, and Telnet.

Note: To establish a control tunnel over a NAT connection, use

IPSec-capable NAT. Control tunnels cannot establish a connection while

the Nortel VPN Router Stateful Firewall is enabled when you use the
Autodetect IPSec-capable NAT feature.

Figure 27 on page 138 shows a sample branch office control tunnel environment

where a central VPN server can control several VPN devices and configure

services, such as RADIUS, FTP backup, SNMP Traps through Web client

management, or Telnet.

Nortel VPN Router Configuration — Basic Features